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  • Hipwell, Alison E.  (2)
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  • 1
    Online Resource
    Online Resource
    Direct replication of task‐dependent neural activation patterns during sadness introspection in two independent adolescent samples
    Wiley ; 2020
    In:  Human Brain Mapping Vol. 41, No. 3 ( 2020-02-15), p. 739-754
    Details
    In: Human Brain Mapping, Wiley, Vol. 41, No. 3 ( 2020-02-15), p. 739-754
    Abstract: Functional neuroimaging results need to replicate to inform sound models of human social cognition and its neural correlates. Introspection, the capacity to reflect on one's thoughts and feelings, is one process required for normative social cognition and emotional functioning. Engaging in introspection draws on a network of brain regions including medial prefrontal cortex (mPFC), posterior cingulate cortex (PCC), middle temporal gyri (MTG), and temporoparietal junction (TPJ). Maturation of these regions during adolescence mirrors the behavioral advances seen in adolescent social cognition, but the neural correlates of introspection in adolescence need to replicate to confirm their generalizability and role as a possible mechanism. The current study investigated whether reflecting upon one's own feelings of sadness would activate and replicate similar brain regions in two independent samples of adolescents. Participants included 156 adolescents (50% female) from the California Families Project and 119 adolescent girls from the Pittsburgh Girls Study of Emotion. All participants completed the Emotion Regulation Questionnaire (ERQ) and underwent a functional magnetic resonance imaging scan while completing the same facial emotion‐processing task at age 16–17 years. Both samples showed similar whole‐brain activation patterns when engaged in sadness introspection and when judging a nonemotional facial feature. Whole‐brain activation was unrelated to ERQ scores in both samples. Neural responsivity to task manipulations replicated in regions recruited for socio‐emotional (mPFC, PCC, MTG, TPJ) and attention (dorsolateral PFC, precentral gyri, superior occipital gyrus, superior parietal lobule) processing. These findings demonstrate robust replication of neural engagement during sadness introspection in two independent adolescent samples.
    Type of Medium: Online Resource
    ISSN: 1065-9471 , 1097-0193
    URL: Issue
    URL: Article
    DOI: 10.1002/hbm.v41.3
    DOI: 10.1002/hbm.24836
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 1492703-2
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  • 2
    Online Resource
    Online Resource
    Girls' brain structural connectivity in late adolescence relates to history of depression symptoms
    Wiley ; 2020
    In:  Journal of Child Psychology and Psychiatry Vol. 61, No. 11 ( 2020-11), p. 1224-1233
    Details
    In: Journal of Child Psychology and Psychiatry, Wiley, Vol. 61, No. 11 ( 2020-11), p. 1224-1233
    Abstract: Girls’ depressive symptoms typically increase in adolescence, with individual differences in course and severity being key risk factors for impaired emotional functioning in young adulthood. Given the continued brain white matter (WM) maturation that occurs in adolescence, the present study tested whether structural connectivity patterns in late adolescence are associated with variation in the course of depression symptom severity throughout adolescence. Method Participants were girls ( N  = 115) enrolled in a multiyear prospective cohort study of risk for depression. Initial depression severity (intercept) at age 10 and change in severity (linear slope) across ages 10–19 were examined in relation to WM tractography collected at age 19. Network‐based statistic analyses were used to identify clusters showing variation in structural connectivity in association with depressive symptom intercept, slope, and their interaction. Results Higher initial depressive severity and steeper positive slope (separately) were associated with greater structural connectivity between temporal, subcortical socioaffective, and occipital regions. Intercept showed more connectivity associations than slope. The interaction effect indicated that higher initial symptom severity and a steeper negative slope (i.e., alleviating symptoms) were related to greater connectivity between cognitive control regions. Moderately severe symptoms that worsened over time were followed by greater connectivity between self‐referential and cognitive regions (e.g., posterior cingulate and frontal gyrus). Conclusions Higher depressive symptom severity in early adolescence and increasing symptom severity over time may forecast structural connectivity differences in late adolescence, particularly in pathways involving cognitive and emotion‐processing regions. Understanding how clinical course relates to neurobiological correlates may inform new treatment approaches to adolescent depression.
    Type of Medium: Online Resource
    ISSN: 0021-9630 , 1469-7610
    URL: Issue
    URL: Article
    DOI: 10.1111/jcpp.v61.11
    DOI: 10.1111/jcpp.13184
    RVK:
    XA 10000
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 1470297-6
    SSG: 5,2
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