M Shah Mohammadi - Department of Psychology, Faculty of Science and Research, Qazvin Branch, Islamic Azad University, Qazvin, Iran
S Taghiloo - Department of Psychology, Astara Branch, Islamic Azad University, Astara, Iran

Aim: The aim of this research was to predict life quality based on behavioral activator and inhibitor systems and adulthood hyperactivity in male drug abusers. Method: A correlational method was employed. The statistical population consisted of 1637 drug abusers residing in the Alborz province, Iran. 232 drug abusers were selected based on Krejces & Morgan’s table (1970). Participants completed the following questionnaires: The World Health Organization’s Quality of Life (WHOQOL) Questionnaire (Varsharbun, 1998); Conner s (1999) List of the Symptoms of Adulthood ADHD Indicator and the Behavioral Activator and Brain inhibitor System Questionnaire (Carver and White, 1994). Data was analyzed using the structural equation-modeling test. Findings: Findings showed that the indirect path coefficients between life quality and components of behavioral activator system (β=-0.292, P=0.01) and adulthood (β= -0.584, P=0.001) were negative. Changes of scores of behavioral-brain system explained 22% of adulthood hyperactivity variance and explained 47% of life quality variance along with changes of ADHD in adulthood. Conclusion: This research shows that adulthood hyperactivity has negative effects on the relationship between behavioral activator system and life quality. Therefore, it can be argued that hyperactivity has negative and destructive effects onpersonal and social affairs of male drug abuse. We suggest that some workshops should be held to improve the quality of life and decrease the dangerous behaviors in individuals with hyperactivity disorder in order to solve conflicts and improve interpersonal relationships.

activator, hyperactivity, inhibitor, quality of life, substance abuse