Volume 17, Issue 3 (Fall 2011)                   IJPCP 2011, 17(3): 241-247 | Back to browse issues page


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Abdi R, Bakhshipour Roudsari A, Mahmood Aliloo M. The Sensitivity Level of Behavioral Approach and Inhibition Systems in Substance Abusers, Smokers and Normal Subjects. IJPCP. 2011; 17 (3) :241-247
URL: http://ijpcp.iums.ac.ir/article-1-1420-en.html

PhD. Student in Psychology, Faculty of Psychological and Educational Sciences , rezaabdi55@yahoo.com
Abstract:   (7549 Views)

Objectives: The aim of the present study was to examine the sensitivity level of Behavioral Approach System (BAS) and Behavioral Inhibition System (BIS) as probable predisposing factors for substance abuse. To this end, the difference of sensitivity levels of BAS and BIS were assessed in substance abusers, cigarette smokers, and normal individuals. Method: The present causal-comparative study compared the sensitivity levels of approach and inhibition behavioral systems in the following three groups: substance abusers (n=43), cigarette smokers (n=45) and normal individuals (n=55), using BIS/BAS scales. Data were analyzed using c2 distribution, one way analysis of variance, multivariate analysis of variance, and follow-up tests. Results: The scores of BAS subscale in substance abusers and cigarette smokers were higher than that of normal individuals (p0.05), but there was no difference in this regard between substance abusers and smokers. In the BIS subscale, the cigarette smokers scored higher than the other two groups (p0.05). Conclusion: Substance abusers and smokers have a more sensitive BAS than normal individuals, which predisposes them to appetitive behaviors. These findings are in line with the Reinforcement Sensitivity Theory, which predicts a relation between BAS, appetitive behaviors and substance abuse.

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Type of Study: Original Research | Subject: General
Received: 2012/03/10

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