A study on visual P300 evoked by facial expression stimulus in social anxiety disorder / 中华行为医学与脑科学杂志
Chinese Journal of Behavioral Medicine and Brain Science
;
(12): 972-974, 2010.
Artigo
em Chinês
| WPRIM
| ID: wpr-385265
ABSTRACT
Objective To explore the changing indications of visual P300 evoked by facial expression stimulus in social anxiety disorder (SAD). Methods 30 patients with SAD were consecutively recruited, and matched with 30 normal controls (NC). They were evaluated by self-designed demographic questionnaire and Liebowitz Social Anxiety Scale (LSAS), Meanwhile the examination of the visual P300 evoked by five facial expression stimulus included sad, happy, surprise, angry and disgust was administrated to SAD patients and normal controls. Results Compared with NC group, SAD group had higher target P2 amplitudes ( ( 3.73 ± 3.06 ) μV )and higher target P3 amplitudes( ( 9.43 ± 4.01 ) μV ) evoked by angry facial expression (P< 0.05 ) and higher target P3 amplitudes( (9.57 ±4.42) μV) evoked by disgust facial expression (P<0.05). The scores of LSAS in SAD was positively correlated with target P2 amplitudes (P<0.05). Conclusion SAD group has abnormal changing indications of visual P300 evoked by facial expression stimulus.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Idioma:
Chinês
Revista:
Chinese Journal of Behavioral Medicine and Brain Science
Ano de publicação:
2010
Tipo de documento:
Artigo
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