Document Detail

Psychobiological and evolutionary perspectives on coping and health characteristics following loss: a twin study.
MedLine Citation:
PMID:  12184885     Owner:  NLM     Status:  MEDLINE    
An analysis of coping, grief and health characteristics is reported for a bereaved monozygotic (MZ) and dizygotic (DZ) same-sex twin sample. The data were examined with reference to psychobiological and evolutionary perspectives on behavior. A Coping Scale, included as part of a comprehensive Twin Loss Survey (TLS), assessed coping with daily responsibilities and activities 1-2 months before the co-twin's death, 1-2 months following the co-twin's death and currently. A Grief Intensity Scale obtained judgments of grief 1-2 months following the loss, and currently. Information on physical symptoms was available from the Somatization Scale of the Grief Experience Inventory. Psychobiological and evolutionary perspectives specified hypotheses for two twin groups: one model was specified to reflect bereavement experiences immediately following loss of the co-twin (retrospective twin group); a second model represented present bereavement response (current twin group). Consistent with psychobiological theory, twins' social closeness showed a positive association with grief intensity which, in turn, affected somatic symptoms and coping efficacy in predicted directions. With respect to evolutionary psychological theory, the effect of zygosity on current grief implicated correlates of genetic relatedness as factors in the bereavement process.
Nancy L Segal; Shelley A Blozis
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Twin Study    
Journal Detail:
Title:  Twin research : the official journal of the International Society for Twin Studies     Volume:  5     ISSN:  1369-0523     ISO Abbreviation:  Twin Res     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-08-19     Completed Date:  2003-02-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9815819     Medline TA:  Twin Res     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  175-87     Citation Subset:  IM    
Department of Psychology, California State University, Fullerton 92834, USA.
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MeSH Terms
Activities of Daily Living
Adaptation, Psychological*
Attitude to Death*
Psychiatric Status Rating Scales
Psychological Theory
Risk Factors
Twins / genetics,  psychology*

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