Document Detail


Hyperthermia exposure impaired the early stage of face recognition: An ERP study.
MedLine Citation:
PMID:  23017061     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We investigated the effect of hyperthermia exposure on the early stages of face processing by recording event-related potentials (ERPs) elicited by faces and non-face stimuli presented in upright and inverted orientations. Across all conditions, both the peak latencies of P1 and N170 components were earlier in the hyperthermia group than in the control participants. Although no effects of P1 amplitudes were influenced by hyperthermia, the face effect (larger amplitude for faces relative to other object categories) of the N170 was modulated by hyperthermia, whereas the face effect was significant in the control group, it was minimised in the hyperthermia group. The inversion effect of faces on N170 amplitudes, however, was not affected by hyperthermia. These data suggest that the detection of faces in the visual field and their initial streaming to face-specific structural encoding mechanisms are impaired by hyperthermia. However, subsequent face-specific configural processing revealed by the N170 inversion effect is not affected by hyperthermia. In addition, hyperthermia accelerates the early stage of visual perception, regardless of faces or non-face objects.
Authors:
Gang Sun; Min Li; Zhen Yang; Li Li; Qingjun Jiang; Lun Zhao
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-28
Journal Detail:
Title:  International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group     Volume:  -     ISSN:  1464-5157     ISO Abbreviation:  Int J Hyperthermia     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508395     Medline TA:  Int J Hyperthermia     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Medical Imaging, Jinan Military General Hospital , Jinan , China.
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