Volume 14, Issue 4 (Winter 2013)                   Advances in Cognitive Sciences 2013, 14(4): 13-28 | Back to browse issues page

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hatami J, Babaie S, Nazari M A, eesaee S. Event-Related Potentials (Erps) Of Affective Working Memory Task in BAS and BIS Personality. Advances in Cognitive Sciences. 2013; 14 (4) :13-28
URL: http://icssjournal.ir/article-1-510-en.html
1- psychology, faculty of Psychology, Tehran University, Tehran, Iran.
2- M.Sc., General psychology, Tehran University, Tehran, Iran.
3- Neuroscience, faculty of Neuroscience, Tabriz University, The research Head of The PARAND, Tabriz, Iran.
Abstract:   (2062 Views)
Objective: The aim of this study was to investigate Event- Related Potentials up on affective working-memory test in individuals with BAS and BIS personality (Behavioral Activation and Behavioral Inhibition System type) characteristics.
Method: 502 participants completed the self-reported BAS/BIS Scales (carver & white 1994) screening measure after which 18 subjects (10 in BAS and 8 in BIS category) were selected to enroll in the study. ERPs were measured when subjects completed aworking-memory task comprising positive and negative pictures. Multivariate analysis of variance (MANOVA) was employed for data analysis.
Results: in response to positive pictures, BIS subjects showed longer P100 latency as compared to BAS subjects. On the other hand, BAS subjects exhibited larger N200 amplitude than those of BIS type individuals. For negative pictures, BIS subjects showed larger N200 amplitude than BAS cases, whileBAS subjects exhibited larger P300 amplitude than the other group.
Conclusion: most of ourfindings confirmedthe Gray Affective Personality Theory (1987). The BIS personality type individuals were sensitive to negative pictures where as the BAS subjects showed a dominant response to affectively positive visual stimuli.
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Type of Study: Research | Subject: Special
Received: 2012/08/22 | Accepted: 2012/10/22 | Published: 2012/12/21

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