Abstract:
:The predictive relations of peer victimization, depressive symptoms, and salivary cortisol on memory in 168 children aged 12 at Time 1 (T1) were examined using a longitudinal design in which data were collected on four occasions over a 2-year period. Results indicated that: (1) peer victimization, depressive symptoms, and evening cortisol were stable over time, (2) peer victimization and elevated symptoms of depression were concurrently linked at each time, (3) T1 peer victimization predicted elevated symptoms of depression at T2 which in turn predicted lower cortisol levels at T3, and (4) controlling for earlier associations, T3 peer victimization, depressive symptoms, and higher morning and evening cortisol levels uniquely predicted memory deficits at T4. The links between elevated cortisol, symptoms of depression, and poor memory are consistent with published research on depressed adults and extend the findings to children exposed to peer victimization. These findings highlight that peer abuse is harmful and may impact children's long-term mental health and memory functioning.
journal_name
Brain Cognjournal_title
Brain and cognitionauthors
Vaillancourt T,Duku E,Becker S,Schmidt LA,Nicol J,Muir C,Macmillan Hdoi
10.1016/j.bandc.2011.06.012subject
Has Abstractpub_date
2011-11-01 00:00:00pages
191-9issue
2eissn
0278-2626issn
1090-2147pii
S0278-2626(11)00121-7journal_volume
77pub_type
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journal_title:Brain and cognition
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