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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">Front. Psychiatry</journal-id>
<journal-title>Frontiers in Psychiatry</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Front. Psychiatry</abbrev-journal-title>
<issn pub-type="epub">1664-0640</issn>
<publisher>
<publisher-name>Frontiers Media S.A.</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.3389/fpsyt.2023.1230807</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Psychiatry</subject>
<subj-group>
<subject>Brief Research Report</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group>
<article-title>Network analysis of emotion regulation and reactivity in adolescents: identifying central components and implications for anxiety and depression interventions</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Ruan</surname>
<given-names>Qian-Nan</given-names>
</name>
<xref rid="aff1" ref-type="aff"><sup>1</sup></xref>
<xref rid="fn0003" ref-type="author-notes"><sup>&#x2020;</sup></xref>
<uri xlink:href="https://loop.frontiersin.org/people/1389816/overview"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Chen</surname>
<given-names>Chun-Mian</given-names>
</name>
<xref rid="aff1" ref-type="aff"><sup>1</sup></xref>
<xref rid="fn0003" ref-type="author-notes"><sup>&#x2020;</sup></xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Yang</surname>
<given-names>Jiang-Shun</given-names>
</name>
<xref rid="aff1" ref-type="aff"><sup>1</sup></xref>
<uri xlink:href="https://loop.frontiersin.org/people/2337129/overview"/>
</contrib>
<contrib contrib-type="author" corresp="yes">
<name>
<surname>Yan</surname>
<given-names>Wen-Jing</given-names>
</name>
<xref rid="aff2" ref-type="aff"><sup>2</sup></xref>
<xref rid="c001" ref-type="corresp"><sup>&#x002A;</sup></xref>
<uri xlink:href="https://loop.frontiersin.org/people/440742/overview"/>
</contrib>
<contrib contrib-type="author" corresp="yes">
<name>
<surname>Huang</surname>
<given-names>Zhen-Xing</given-names>
</name>
<xref rid="aff1" ref-type="aff"><sup>1</sup></xref>
<xref rid="c002" ref-type="corresp"><sup>&#x002A;</sup></xref>
<uri xlink:href="https://loop.frontiersin.org/people/2520252/overview"/>
</contrib>
</contrib-group>
<aff id="aff1"><sup>1</sup><institution>Department of Psychiatry, Wenzhou Seventh People&#x2019;s Hospital</institution>, <addr-line>Wenzhou, Zhejiang Province</addr-line>, <country>China</country></aff>
<aff id="aff2"><sup>2</sup><institution>Department of Psychology, Wenzhou University</institution>, <addr-line>Wenzhou</addr-line>, <country>China</country></aff>
<author-notes>
<fn id="fn0001" fn-type="edited-by"><p>Edited by: Mirko Uljarevic, The University of Melbourne, Australia</p></fn>
<fn id="fn0002" fn-type="edited-by"><p>Reviewed by: Carolina Inostroza, University of Concepcion, Chile; Li Kaiyun, University of Jinan, China</p></fn>
<corresp id="c001">&#x002A;Correspondence: Wen-Jing Yan, <email>yanwj@wzu.edu.cn</email></corresp>
<corresp id="c002">Zhen-Xing Huang, <email>zhenxinghuang158@foxmail.com</email></corresp>
<fn id="fn0003" fn-type="equal"><p><sup>&#x2020;</sup>These authors have contributed equally to this work</p></fn>
</author-notes>
<pub-date pub-type="epub">
<day>05</day>
<month>10</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="collection">
<year>2023</year>
</pub-date>
<volume>14</volume>
<elocation-id>1230807</elocation-id>
<history>
<date date-type="received">
<day>14</day>
<month>06</month>
<year>2023</year>
</date>
<date date-type="accepted">
<day>20</day>
<month>09</month>
<year>2023</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright &#x00A9; 2023 Ruan, Chen, Yang, Yan and Huang.</copyright-statement>
<copyright-year>2023</copyright-year>
<copyright-holder>Ruan, Chen, Yang, Yan and Huang</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by/4.0/">
<p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.</p>
</license>
</permissions>
<abstract>
<p>Difficulties in emotion regulation (DER) and emotion reactivity (ER) are important causes and consequences of psychiatric disorders such as depression and anxiety, and previous research suggests that there are many interactions between them. Understanding the structure of their relationship, and which components may play a key role, will help provide insight into emotion disorders in adolescents and provide guidance for clinical interventions. In this study, we collected data from 483 adolescents and used network analysis methods to explore the relationship between DER and ER, specifically looking for core nodes. The results showed that &#x201C;limited access to emotion regulation strategies&#x201D; was the most central node in the network. Furthermore, by adding nodes for depression and anxiety to this network, we found that anxiety had the strongest relationship with ER, while depression had a stronger relationship with DER. Thus, our findings suggest that for anxiety disorders, the strong association with ER highlights a potentially promising area for intervention development, whereas for depression, the association with DER points to the possibility of clarifying emotions and exploring coping strategies, acknowledging the complex interplay between depressive and anxious symptoms.</p>
</abstract>
<kwd-group>
<kwd>difficulties in emotion regulation (DER)</kwd>
<kwd>emotion reactivity (ER)</kwd>
<kwd>adolescents</kwd>
<kwd>network analysis</kwd>
<kwd>anxiety</kwd>
<kwd>depression</kwd>
</kwd-group>
<contract-num rid="cn1">2023RC273</contract-num>
<contract-num rid="cn2">Y20210112, G20210027</contract-num>
<contract-sponsor id="cn1">Zhejiang Medical and health Science and Technology Project</contract-sponsor>
<contract-sponsor id="cn2">Wenzhou Science and Technology Project of Zhejiang, China</contract-sponsor>
<counts>
<fig-count count="4"/>
<table-count count="1"/>
<equation-count count="0"/>
<ref-count count="59"/>
<page-count count="7"/>
<word-count count="5083"/>
</counts>
<custom-meta-wrap>
<custom-meta>
<meta-name>section-at-acceptance</meta-name>
<meta-value>Mood Disorders</meta-value>
</custom-meta>
</custom-meta-wrap>
</article-meta>
</front>
<body>
<sec sec-type="intro" id="sec1">
<label>1.</label>
<title>Introduction</title>
<p>In contemporary clinical practice, there is an increasingly recognized importance of emotions in comprehending psychopathology. Difficulties in Emotion Regulation (DER), characterized by an absence of awareness, unwillingness to accept emotions, and the employment of ineffective regulation strategies, play a critical role. Individuals with DER are predisposed to endure prolonged or more intense negative emotions, such as depression and anxiety, in comparison to their counterparts without such difficulties (<xref ref-type="bibr" rid="ref1">1</xref>, <xref ref-type="bibr" rid="ref2">2</xref>). The Difficulties in Emotional Regulation Scale (DERS) serves as an instrumental tool for assessing these issues, encompassing areas like emotional arousal, awareness, understanding, acceptance, and emotional interference (<xref ref-type="bibr" rid="ref3">3</xref>, <xref ref-type="bibr" rid="ref4">4</xref>).</p>
<p>Emotion Reactivity (ER), which encompasses emotional sensitivity, intensity, and persistence in response to stimuli, is another critical aspect (<xref ref-type="bibr" rid="ref5">5</xref>, <xref ref-type="bibr" rid="ref6">6</xref>). While early self-report measures centered on intensity, the Emotional Reactivity Scale (ERS) assesses all three dimensions (<xref ref-type="bibr" rid="ref7">7</xref>, <xref ref-type="bibr" rid="ref8">8</xref>). A single underlying factor has been demonstrated to best encapsulate these components through factor analysis (<xref ref-type="bibr" rid="ref8">8</xref>, <xref ref-type="bibr" rid="ref9">9</xref>).</p>
<p>DER is thought to be closely related to ER (<xref ref-type="bibr" rid="ref10">10</xref>&#x2013;<xref ref-type="bibr" rid="ref12">12</xref>). Basic emotion and appraisal theories treat ER and emotion regulation as very different constructs. One study provided four distinct but related perspectives on ER and emotion regulation, including basic emotion, appraisal, psychological, and social construct models, providing a theoretical basis for formal distinctions on the spectrum (<xref ref-type="bibr" rid="ref13">13</xref>, <xref ref-type="bibr" rid="ref14">14</xref>). Another study concluded that the relationship between dispositional emotional orientations and actual emotions and regulative behaviours is not one-to-one, but that ER may increase the likelihood that certain features of emotions and behaviours will act as regulators (<xref ref-type="bibr" rid="ref15">15</xref>, <xref ref-type="bibr" rid="ref16">16</xref>). In turn, specific components of DER may contribute significantly to ER, such as emotion regulation strategies, which have been shown to help reduce adverse reactions to stress (<xref ref-type="bibr" rid="ref17">17</xref>&#x2013;<xref ref-type="bibr" rid="ref19">19</xref>). The use of attentional regulation strategies requires the allocation of attention and other resources to solving difficulties or problems, or diverting attention away from what is emotionally distressing (<xref ref-type="bibr" rid="ref20">20</xref>, <xref ref-type="bibr" rid="ref21">21</xref>). These studies suggest that limited access to emotion regulation strategies plays an important role in ER.</p>
<p>The core of this investigation pertains to the exploration of DER and ER during the turbulent phase of adolescence. This period is distinguished by escalated stress and heightened susceptibility to the emergence of psychopathologies, such as anxiety and depression (<xref ref-type="bibr" rid="ref22">22</xref>, <xref ref-type="bibr" rid="ref23">23</xref>). The typical trajectory of ER may encounter substantial inflection during adolescence, mirroring an increase in reactivity and amplified sensitivity to stimuli (<xref ref-type="bibr" rid="ref24">24</xref>, <xref ref-type="bibr" rid="ref25">25</xref>). Concurrently, emotional control development and regulation may coincide with physical maturation (<xref ref-type="bibr" rid="ref26">26</xref>), with the adolescent brain&#x2019;s evolution possibly influencing emotion regulation methodologies (<xref ref-type="bibr" rid="ref27">27</xref>, <xref ref-type="bibr" rid="ref28">28</xref>). This developmental stage, characterized by substantial structural and functional shifts, includes pronounced growth in the prefrontal cortex, an area vital for executive function and emotion regulation (<xref ref-type="bibr" rid="ref29">29</xref>). Moreover, rapid synaptic pruning and myelination enhance connectivity between various brain regions, notably the amygdala, a crucial component in emotional processing (<xref ref-type="bibr" rid="ref30">30</xref>, <xref ref-type="bibr" rid="ref31">31</xref>). These neural correlates elucidate the dynamic equilibrium between emotional reactivity and control, illuminating the complex interplay of neural networks during this pivotal developmental stage.</p>
<p>Finally, the study&#x2019;s objective is to scrutinize the network connectivity of DER and ER throughout adolescence. Employing a bottom-up, data-driven network analysis, the investigation will explore these connections. This approach aids in pinpointing key components in emotional dysfunction, with nodes representing depression and anxiety added to the network to evaluate the association between emotional dysfunction and prevalent depressive or anxiety disorders. Such insights will furnish valuable perspectives for subsequent clinical interventions.</p>
</sec>
<sec sec-type="methods" id="sec2">
<label>2.</label>
<title>Methods</title>
<sec id="sec3">
<label>2.1.</label>
<title>Participants</title>
<p>The study encompassed data from 483 adolescents, aged 12&#x2013;17&#x2009;years, recruited from a psychiatric hospital (216 adolescents) and two secondary schools (267 adolescents). Post manipulation check, 115 participants were excluded, culminating in 368 participants eligible for data analysis (<xref ref-type="bibr" rid="ref32">32</xref>, <xref ref-type="bibr" rid="ref33">33</xref>). The subjects completed the DERS, ERS, and HADS under guided supervision. Ethical adherence was maintained throughout, conforming to national and institutional human experimentation standards and the Declaration of Helsinki (revised 2008), with approval by the IRB of the Seventh People&#x2019;s Hospital of Wenzhou (EC-KY-2022048).</p>
</sec>
<sec id="sec4">
<label>2.2.</label>
<title>Measures</title>
<p>The Difficulties in Emotion Regulation Scale (DERS) is a 36-item self-report scale measuring six aspects of emotion regulation (<xref ref-type="bibr" rid="ref34">34</xref>). The DERS scale consists of six factors. Cronbach&#x2019;s alpha values for the scale and the six subscales ranged from 0.88 to 0.96, with test&#x2013;retest reliability ranging from 0.52 to 0.77 (<xref ref-type="bibr" rid="ref2">2</xref>). The measure meets the required psychometric properties and is therefore suitable for measuring the level of DER in Chinese adolescents (<xref ref-type="bibr" rid="ref35">35</xref>, <xref ref-type="bibr" rid="ref36">36</xref>).</p>
<p>The Emotion Reactivity Scale (ERS) is used to measure the level of an individual&#x2019;s emotional response characteristics to events (<xref ref-type="bibr" rid="ref8">8</xref>). The scale is divided into 21 questions across 3 dimensions and is used to assess an individual&#x2019;s emotional sensitivity, intensity and persistence. The ERS has demonstrated good convergent, discriminant, and criterion-related validity.</p>
<p>The Hospital Anxiety and Depression Scale (HADS) assesses anxiety and depression, two emotions that often co-exist (<xref ref-type="bibr" rid="ref37">37</xref>, <xref ref-type="bibr" rid="ref38">38</xref>). It is widely used because it is straightforward, quick and easy to administer. The HADS consists of a total of 14 questions, seven on depressive symptoms (i.e., the HADS-D) and seven on anxiety symptoms (the HADS-A). The correlations between these two subscales ranged from 0.40 to 0.74 (mean 0.56). The Cronbach&#x2019;s alpha for the HADS-A was 0.83 and the Cronbach&#x2019;s alpha for the HADS-D ranged from 0.67 to 0.90 (mean 0.82).</p>
</sec>
<sec id="sec5">
<label>2.3.</label>
<title>Network analysis</title>
<p>The study employed a Gaussian graphical model (GGM) for network analysis utilizing the R package qgraph (version 1.9.2) (<xref ref-type="bibr" rid="ref39">39</xref>). The GGM was regularized through a graphical lasso, optimizing interpretability by minimizing redundancy and creating a sparse network (<xref ref-type="bibr" rid="ref40">40</xref>). Selection of the &#x03BB;-regularization parameter was guided by the Extended Bayesian Information Criterion (EBIC), with specifications lambdaGam&#x2009;=&#x2009;0.25 and alphaGam&#x2009;=&#x2009;0.25. Centrality measures, indicative of overall connectivity, were computed for each node, including strength, closeness, betweenness, and expected influence (<xref ref-type="bibr" rid="ref41">41</xref>). The network components were categorized into two clusters: ER with three components and DER with six components. Multidimensional scaling (MDS) facilitated network visualization, representing variable proximity as distance between points in a low-dimensional space (<xref ref-type="bibr" rid="ref42">42</xref>, <xref ref-type="bibr" rid="ref43">43</xref>). The merit of this method lies in the interpretation of distances between nodes as Euclidean distances (<xref ref-type="bibr" rid="ref42">42</xref>). Furthermore, the study assessed centrality index stability by modeling a network from a subset of the data via case-removal bootstrap (<italic>n</italic>&#x2009;=&#x2009;1,000), considering the index unstable if the correlation value significantly declined as participants were withdrawn. The r-package <italic>bootnet</italic> served to evaluate the network&#x2019;s resilience through bootstrapping (<xref ref-type="bibr" rid="ref39">39</xref>).</p>
</sec>
</sec>
<sec sec-type="results" id="sec6">
<label>3.</label>
<title>Results</title>
<p>Descriptive statistics in this study can be found in <xref rid="tab1" ref-type="table">Table 1</xref>. There were some differences between the groups. For Depression, Anxiety, ERS, and DERS, females had a higher intensity than did males. For depression, <italic>t</italic>&#x2009;=&#x2009;1.40, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.01. For anxiety, <italic>t</italic>&#x2009;=&#x2009;2.12, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.001. For ERS, <italic>t</italic>&#x2009;=&#x2009;3.97, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.001. For DERS, <italic>t</italic>&#x2009;=&#x2009;5.12, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.001. The clinical and non-clinical groups are also show the differences. For depression, <italic>t</italic>&#x2009;=&#x2009;3.35, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.001. For anxiety, <italic>t</italic>&#x2009;=&#x2009;2.08, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.05. For ERS, <italic>t</italic>&#x2009;=&#x2009;1.53, <italic>p</italic>&#x2009;=&#x2009;0.126. For DERS, <italic>t</italic>&#x2009;=&#x2009;2.79, <italic>p</italic>&#x2009;&#x003C;&#x2009;0.01.</p>
<table-wrap position="float" id="tab1">
<label>Table 1</label>
<caption><p>Descriptive statistics for the measurements.</p></caption>
<table frame="hsides" rules="groups">
<thead>
<tr>
<th colspan="2" rowspan="2"/>
<th/>
<th align="center" valign="top" colspan="2">Depression</th>
<th align="center" valign="top" colspan="2">Anxiety</th>
<th align="center" valign="top" colspan="2">ERS</th>
<th align="center" valign="top" colspan="2">DERS</th>
</tr>
<tr>
<th align="center" valign="top"><italic>N</italic></th>
<th align="center" valign="top"><italic>M</italic></th>
<th align="center" valign="top">SD</th>
<th align="center" valign="top"><italic>M</italic></th>
<th align="center" valign="top">SD</th>
<th align="center" valign="top"><italic>M</italic></th>
<th align="center" valign="top">SD</th>
<th align="center" valign="top"><italic>M</italic></th>
<th align="center" valign="top">SD</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left" valign="top" rowspan="2">Gender</td>
<td align="left" valign="top">Female</td>
<td align="center" valign="top">205</td>
<td align="char" valign="top" char=".">8.17</td>
<td align="char" valign="top" char=".">5.00</td>
<td align="char" valign="top" char=".">9.21</td>
<td align="char" valign="top" char=".">4.79</td>
<td align="char" valign="top" char=".">48.96</td>
<td align="char" valign="top" char=".">20.73</td>
<td align="char" valign="top" char=".">109.58</td>
<td align="char" valign="top" char=".">29.11</td>
</tr>
<tr>
<td align="left" valign="top">Male</td>
<td align="center" valign="top">160</td>
<td align="char" valign="top" char=".">6.76</td>
<td align="char" valign="top" char=".">4.67</td>
<td align="char" valign="top" char=".">7.09</td>
<td align="char" valign="top" char=".">4.92</td>
<td align="char" valign="top" char=".">40.18</td>
<td align="char" valign="top" char=".">21.27</td>
<td align="char" valign="top" char=".">94.60</td>
<td align="char" valign="top" char=".">25.80</td>
</tr>
<tr>
<td align="left" valign="top" rowspan="2">Source</td>
<td align="left" valign="top">Clinical</td>
<td align="center" valign="top">206</td>
<td align="char" valign="top" char=".">8.30</td>
<td align="char" valign="top" char=".">5.39</td>
<td align="char" valign="top" char=".">8.76</td>
<td align="char" valign="top" char=".">5.36</td>
<td align="char" valign="top" char=".">46.64</td>
<td align="char" valign="top" char=".">22.10</td>
<td align="char" valign="top" char=".">106.65</td>
<td align="char" valign="top" char=".">30.41</td>
</tr>
<tr>
<td align="left" valign="top">School</td>
<td align="center" valign="top">159</td>
<td align="char" valign="top" char=".">6.58</td>
<td align="char" valign="top" char=".">4.00</td>
<td align="char" valign="top" char=".">7.66</td>
<td align="char" valign="top" char=".">4.31</td>
<td align="char" valign="top" char=".">43.13</td>
<td align="char" valign="top" char=".">20.33</td>
<td align="char" valign="top" char=".">98.37</td>
<td align="char" valign="top" char=".">25.57</td>
</tr>
<tr>
<td align="left" valign="top" rowspan="4">Family structure</td>
<td align="left" valign="top">Regular</td>
<td align="center" valign="top">271</td>
<td align="char" valign="top" char=".">6.56</td>
<td align="char" valign="top" char=".">4.57</td>
<td align="char" valign="top" char=".">7.41</td>
<td align="char" valign="top" char=".">4.59</td>
<td align="char" valign="top" char=".">41.97</td>
<td align="char" valign="top" char=".">21.11</td>
<td align="char" valign="top" char=".">98.17</td>
<td align="char" valign="top" char=".">27.40</td>
</tr>
<tr>
<td align="left" valign="top">Single parent</td>
<td align="center" valign="top">36</td>
<td align="char" valign="top" char=".">9.03</td>
<td align="char" valign="top" char=".">4.44</td>
<td align="char" valign="top" char=".">9.86</td>
<td align="char" valign="top" char=".">5.61</td>
<td align="char" valign="top" char=".">51.14</td>
<td align="char" valign="top" char=".">20.94</td>
<td align="char" valign="top" char=".">110.39</td>
<td align="char" valign="top" char=".">27.06</td>
</tr>
<tr>
<td align="left" valign="top">Reconstituted</td>
<td align="center" valign="top">17</td>
<td align="char" valign="top" char=".">10.53</td>
<td align="char" valign="top" char=".">4.32</td>
<td align="char" valign="top" char=".">10.82</td>
<td align="char" valign="top" char=".">4.94</td>
<td align="char" valign="top" char=".">52.47</td>
<td align="char" valign="top" char=".">19.05</td>
<td align="char" valign="top" char=".">110.29</td>
<td align="char" valign="top" char=".">30.14</td>
</tr>
<tr>
<td align="left" valign="top">Orphan</td>
<td align="center" valign="top">1</td>
<td align="char" valign="top" char=".">12.00</td>
<td/>
<td align="char" valign="top" char=".">12.00</td>
<td/>
<td align="char" valign="top" char=".">67.00</td>
<td/>
<td align="char" valign="top" char=".">152.00</td>
<td/>
</tr>
<tr>
<td align="left" valign="top" rowspan="4">Economic status</td>
<td align="left" valign="top">Rich</td>
<td align="center" valign="top">3</td>
<td align="char" valign="top" char=".">2.33</td>
<td align="char" valign="top" char=".">1.53</td>
<td align="char" valign="top" char=".">4.67</td>
<td align="char" valign="top" char=".">4.73</td>
<td align="char" valign="top" char=".">29.33</td>
<td align="char" valign="top" char=".">22.74</td>
<td align="char" valign="top" char=".">78.67</td>
<td align="char" valign="top" char=".">17.56</td>
</tr>
<tr>
<td align="left" valign="top">Wealthy</td>
<td align="center" valign="top">86</td>
<td align="char" valign="top" char=".">6.05</td>
<td align="char" valign="top" char=".">4.56</td>
<td align="char" valign="top" char=".">6.62</td>
<td align="char" valign="top" char=".">4.40</td>
<td align="char" valign="top" char=".">38.58</td>
<td align="char" valign="top" char=".">21.81</td>
<td align="char" valign="top" char=".">94.51</td>
<td align="char" valign="top" char=".">26.95</td>
</tr>
<tr>
<td align="left" valign="top">Normal</td>
<td align="center" valign="top">224</td>
<td align="char" valign="top" char=".">7.42</td>
<td align="char" valign="top" char=".">4.61</td>
<td align="char" valign="top" char=".">8.38</td>
<td align="char" valign="top" char=".">4.90</td>
<td align="char" valign="top" char=".">45.49</td>
<td align="char" valign="top" char=".">20.67</td>
<td align="char" valign="top" char=".">102.83</td>
<td align="char" valign="top" char=".">28.13</td>
</tr>
<tr>
<td align="left" valign="top">Poor</td>
<td align="center" valign="top">11</td>
<td align="char" valign="top" char=".">7.91</td>
<td align="char" valign="top" char=".">5.24</td>
<td align="char" valign="top" char=".">7.45</td>
<td align="char" valign="top" char=".">4.18</td>
<td align="char" valign="top" char=".">45.27</td>
<td align="char" valign="top" char=".">21.18</td>
<td align="char" valign="top" char=".">98.64</td>
<td align="char" valign="top" char=".">26.18</td>
</tr>
</tbody>
</table>
</table-wrap>
<sec id="sec7">
<label>3.1.</label>
<title>The network for DER and ER</title>
<p>In the network, approximately 9 of the 36 network edges (30.6%) were set to zero by regularization. <xref rid="fig1" ref-type="fig">Figure 1</xref> illustrates that the ERS components are clustered on the left, relatively separate from the DERS components. The strong relationship between the ERS components reflects previous findings that a single underlying factor best explains the items (<xref ref-type="bibr" rid="ref8">8</xref>, <xref ref-type="bibr" rid="ref9">9</xref>). The <italic>Str</italic> node is located at the centre of the network structure. It has a strong relative association with <italic>Prs</italic> (weight&#x2009;=&#x2009;0.22) and <italic>Sns</italic> (weight&#x2009;=&#x2009;0.12) in the ERS, suggesting that <italic>Str</italic> is the bridge between the ERS and DERS. In addition to <italic>Awr</italic> and <italic>Str</italic> nodes are also strongly associated with other nodes in the DERS component. The importance of <italic>Str</italic> in the network can also be seen in the centrality index below (see <xref rid="fig2" ref-type="fig">Figure 2</xref>).</p>
<fig position="float" id="fig1">
<label>Figure 1</label>
<caption><p>An estimated network structure based on 368 samples. The network shows the relationships among variables, including components from DERS and ERS. The edge weights are the regression coefficients, with regularization. The thickness of an edge reflects the magnitude of the relationship.</p></caption>
<graphic xlink:href="fpsyt-14-1230807-g001.tif"/>
</fig>
<fig position="float" id="fig2">
<label>Figure 2</label>
<caption><p>Centrality indices for the nodes of the male and female networks, including those for strength, betweenness, closeness, and expected influence.</p></caption>
<graphic xlink:href="fpsyt-14-1230807-g002.tif"/>
</fig>
<p>The centrality index (<xref rid="fig2" ref-type="fig">Figure 2</xref>) shows the importance of <italic>Str</italic> in the network. Centrality indices, ordered by strength and normalized, ranged from 0 to 1. <italic>Str</italic> from the DER component was the most central, while <italic>Sns</italic> and Prs from the ERS component were second and third. However, a large index did not always mean the most connections. The <italic>Sns</italic> node had a high weight sum but few connections and was distant from other nodes. <italic>Str</italic> ranked first in all indices, indicating the highest weight sum, closest proximity to other nodes, and presence on the shortest path.</p>
<p>Stability was measured in terms of the maximum proportion of drops to maintain a correlation of 0.7 in at least 95% of the samples (see <xref rid="fig3" ref-type="fig">Figure 3</xref>). Correlations were calculated between the centrality indices of the networks from the selected and original samples. The value of the CS coefficient should preferably be above 0.5 and at least 0.25. In this research, the CS coefficient indicated that the betweenness (CS (cor&#x2009;=&#x2009;0.7)&#x2009;=&#x2009;0.44) and the closeness (CS (cor&#x2009;=&#x2009;0.7)&#x2009;=&#x2009;0.44), strength (CS (cor&#x2009;=&#x2009;0.7)&#x2009;=&#x2009;0.595) and expected influence (CS (cor&#x2009;=&#x2009;0.7)&#x2009;=&#x2009;0.75) were all stable in the subset cases. Therefore, we found that all indices were sufficiently stable.</p>
<fig position="float" id="fig3">
<label>Figure 3</label>
<caption><p>The average correlation coefficients between the remaining and original samples for the centrality indices of the network. Lines indicate the average correlation coefficients and areas show the coefficients ranging from the 2.5th quantile to the 97.5th quantile.</p></caption>
<graphic xlink:href="fpsyt-14-1230807-g003.tif"/>
</fig>
</sec>
<sec id="sec8">
<label>3.2.</label>
<title>The network of depression, anxiety, and emotion discrimination</title>
<p>Considering that emotional dysfunction are closely related to anxiety and depression, we added these two nodes to the network to further explore the clinical significance of the anxiety and depression crossover. In <xref rid="fig1" ref-type="fig">Figure 1</xref> we observed that subscale nodes are strongly connected with each other, and previous studies showed that the three separate subscales in the ERS can also be explained by an underlying factor (<xref ref-type="bibr" rid="ref8">8</xref>, <xref ref-type="bibr" rid="ref9">9</xref>). Therefore, to display a clear network, we included the total ERS score as a node.</p>
<p>The estimated network structure can be seen in <xref rid="fig4" ref-type="fig">Figure 4</xref>, which shows that <italic>Str</italic> again remains in the centre, but is not directly connected to <italic>Anx</italic> and <italic>Dpr</italic>. It should be noted that the centrality indices in this network are much less meaningful because ERS, <italic>Anx</italic> and <italic>Dpr</italic> are the nodes representing the total scores of their scales, whereas <italic>Str</italic> is only one of the subscales of DERS. A subscale is naturally more correlated with the other subscales within the same scale, so the sum of the edge weights is high. The highest edge weight between <italic>Anx</italic> and the components of emotion dysregulation was for <italic>Anx</italic>-<italic>ERS</italic> at 0.32, a high weight as a regularized coefficient. Therefore, a promising intervention for anxiety symptoms may be the modulation of ER. In comparison, <italic>Dpr</italic> had no edge to ERS but connected to some DERS components, such as <italic>Awr</italic>, <italic>Str</italic>, and <italic>Clr</italic>. a promising intervention for depression symptoms may be the modulation of DER, such as in cases with a lack of emotion awareness and clarity and limited access to emotion regulation strategies.</p>
<fig position="float" id="fig4">
<label>Figure 4</label>
<caption><p>An estimated network structure of one ERS node, six DERS component nodes, one depression node, and one anxiety node, based on 368 samples. The edge weights are the regression coefficients, with regularization. The thickness of the edge reflects the magnitude of the relationship.</p></caption>
<graphic xlink:href="fpsyt-14-1230807-g004.tif"/>
</fig>
</sec>
</sec>
<sec sec-type="discussions" id="sec9">
<label>4.</label>
<title>Discussion</title>
<p>This study constructed a network of difficulties in Emotion regulation (DER) and emotion reactivity (ER) and found limited access to emotion regulation strategies to be central to the network structure. In addition, anxiety was closely associated with ER, and depression with DER components.</p>
<p>Emotion regulation strategies, such as rethinking situations, hiding emotions, or using humor, are associated with life satisfaction, positive emotions, depression, anxiety, and negative emotions (<xref ref-type="bibr" rid="ref44">44</xref>, <xref ref-type="bibr" rid="ref45">45</xref>). These strategies involve increasing positive or decreasing negative emotions through changes in thoughts or behaviours (<xref ref-type="bibr" rid="ref46">46</xref>). Limited access to emotion regulation strategies makes managing and controlling emotions difficult, and it is associated with the belief that there is nothing that can be done to effectively regulate emotions (<xref ref-type="bibr" rid="ref2">2</xref>, <xref ref-type="bibr" rid="ref47">47</xref>). Improving access to strategies can help patients recover, as the ability to regulate emotions is a key intervention target for various mental health conditions (<xref ref-type="bibr" rid="ref48">48</xref>). Cognitive behavioral treatments often rely on emotion regulation strategies for success (<xref ref-type="bibr" rid="ref49">49</xref>). Emotion regulation problems, particularly lack of access to emotion regulation techniques, may predict suicidal ideation in various age groups (<xref ref-type="bibr" rid="ref50">50</xref>&#x2013;<xref ref-type="bibr" rid="ref53">53</xref>). Clinicians should teach new emotion regulation strategies and encourage the use of personal strategies in different situations (<xref ref-type="bibr" rid="ref54">54</xref>). As for emotion reactivity, similar to some previous studies (<xref ref-type="bibr" rid="ref55">55</xref>), anxiety disorders are characterized by increased emotion reactivity. Further, there is a stronger association between anxiety and emotional reactivity than there is for depression (<xref ref-type="bibr" rid="ref56">56</xref>).</p>
<p>This strong relationship between anxiety and depression may signify shared underlying psychological mechanisms, as supported by recent research on comorbidity between anxiety and depression (<xref ref-type="bibr" rid="ref57">57</xref>). The association underscores the possibility of common regulatory deficits affecting both conditions and offers insights into transdiagnostic factors that could transcend traditional diagnostic categories (<xref ref-type="bibr" rid="ref58">58</xref>). However, the pronounced linkage between anxiety and depression, in contrast to their connections with ERS and DERS components, highlights the complexity of these relationships, requiring further nuanced exploration. Care must be taken to distinguish between shared and unique components of emotion regulation relating to the disorders, a theme echoed in recent studies (<xref ref-type="bibr" rid="ref59">59</xref>). Ultimately, the model invites a more refined understanding of adolescent emotional functioning, but this interpretation should be approached with caution.</p>
<p>The present study is not without limitations. A central concern stems from the cross-sectional design, which not only limits the ability to establish causal relationships between emotion regulation, anxiety, and depression but also hampers the potential to observe temporal changes and dynamic interactions over time in the studied variables. Additionally, the lack of clinical diagnoses and evaluation of specific interventions must be considered when interpreting the findings. The study may have overlooked certain critical variables or confounders that could influence emotion regulation, such as developmental factors, and co-occurring mental health conditions, which remain unassessed in the analysis. The complexity of the association between depressive and anxious symptoms also adds a layer of intricacy in understanding these relationships. Lastly, the interpretations drawn regarding the specific clinical interventions should be viewed with caution, as they could constitute interpretative leaps without more robust empirical support from longitudinal or experimental designs. Readers are encouraged to consider these findings as suggestive of potential avenues for intervention rather than definitive guides to treatment.</p>
<p>In summary, the present study explored the detailed relationships between DERS and ERS. The findings showed that &#x201C;limited access to emotion regulation strategies&#x201D; was the most central node in the DERS-ERS network. In addition, anxiety symptoms in adolescents are more strongly associated with emotion reactivity, highlighting a promising psychological process that may be explored for the development of interventions. Similarly, depressive symptoms are more associated with difficulties in emotion regulation, suggesting that facilitating access to emotional regulation strategies could be a beneficial path to explore in interventions. However, we acknowledge the high association between depressive and anxious symptoms and recognize that interventions must be tailored to the unique needs of each adolescent or case.</p>
</sec>
<sec sec-type="data-availability" id="sec10">
<title>Data availability statement</title>
<p>The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation.</p>
</sec>
<sec id="sec11" sec-type="ethics-statement">
<title>Ethics statement</title>
<p>The studies involving humans were approved by IRB of the Seventh People&#x2019;s Hospital of Wenzhou. The studies were conducted in accordance with the local legislation and institutional requirements. Written informed consent for participation in this study was provided by the participants&#x2019; legal guardians/next of kin.</p>
</sec>
<sec id="sec12" sec-type="author-contributions">
<title>Author contributions</title>
<p>Q-NR and W-JY conceived and designed the experiments. Z-XH and J-SY performed the experiments and contributed to materials and analysis. W-JY analyzed the data. Q-NR and C-MC wrote the paper. All authors contributed to the article and approved the submittedversion.</p>
</sec>
</body>
<back>
<sec sec-type="funding-information" id="sec13">
<title>Funding</title>
<p>This research was supported by Zhejiang Medical and Health Science and Technology Project (No. 2023RC273), and Wenzhou Science and Technology Project of Zhejiang, China (Y20210112, G20210027).</p>
</sec>
<sec sec-type="COI-statement" id="sec14">
<title>Conflict of interest</title>
<p>The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.</p>
</sec>
<sec id="sec100" sec-type="disclaimer">
<title>Publisher&#x2019;s note</title>
<p>All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.</p>
</sec>
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