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Network models of posttraumatic stress symptoms across trauma types.

Abstract：

:Evidence suggests that posttraumatic stress (PTS) disorder (PTSD) symptom presentations may vary as a function of index trauma type. Network analysis was employed in the present study to examine differences in PTS symptom centrality (i.e., the relative influence of a symptom on the network), and PTS symptom associations across three trauma types: motor vehicle accident (MVA), sexual assault (SA), and sudden accidental/violent death of a loved one (SAD). The final sample comprised 554 female undergraduates who had experienced a MVA (n = 226), SA (n = 222), or SAD (n = 106) per Diagnostic Statistical Manual-Fifth Edition (DSM-5) criteria. Within the pooled network, anhedonia and dysphoria emerged as the most central symptoms, while trauma-related amnesia was the least central. The SA network was largely consistent with the DSM-5 conceptualization of PTSD. In contrast, the SAD network was the least consistent with the DSM-5 conceptualization of PTSD, and centrality estimates for the SAD network were inconsistent with the MVA and SA networks. Findings of the current study suggest a need to consider index trauma type as an important factor in the ontology of PTSD. Findings also add to the ongoing discussions about the suitability of SAD as a PTSD-relevant trauma type and about the importance of trauma-related amnesia as a PTSD symptom.

journal_name

J Anxiety Disord

journal_title

Journal of anxiety disorders

authors

Benfer N,Bardeen JR,Cero I,Kramer LB,Whiteman SE,Rogers TA,Silverstein MW,Weathers FW

doi

10.1016/j.janxdis.2018.07.004

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

70-77

eissn

0887-6185

issn

1873-7897

pii

S0887-6185(18)30151-8

journal_volume

58

pub_type

杂志文章

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