Abstract：
:The ability to appropriately recognize the facial expression of emotions is essential for the development of adaptive functioning. Studies suggest that maltreated children are hypersensitive to expression of anger. However, the neural mechanism of emotional face processing in young adults with a history of childhood maltreatment has yet to be explored. To explore whether the history of childhood maltreatment has a potential relationship with processing of emotional facial expressions, the present study used event-related potentials in investigating the early ERP components (P100 and N170) to the processing of emotional (angry, fearful, disgusted, and happy) faces in young adult victims of childhood maltreatment. Seventeen young adults with a history of childhood maltreatment and seventeen age and gender-matched non-maltreated participants performed a modified dot-probe task, using emotional faces paired with neutral faces. Results revealed no significant differences between maltreated group and non-maltreated group in P100 amplitude, but the N170 amplitude in the maltreated group was larger than non-maltreated group when processing angry, fearful, and happy faces. As such, this study provides biological evidence of altered neural processing of emotional facial expressions in young adults with a history of childhood maltreatment.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Fang J,Wang S,Liu J,Gong Jdoi
10.1016/j.psychres.2019.03.024subject
Has Abstractpub_date
2019-05-01 00:00:00pages
120-128eissn
0165-1781issn
1872-7123pii
S0165-1781(17)31907-8journal_volume
275pub_type
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