en تخصصي Special پژوهشي Research Article <span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Background & Aims</span></i></b><b><span style="font-size:9.0pt">: </span></b><span style="font-size:9.0pt">Marital satisfaction and the related factors are some of the issues raised in psychology and family. The present study was performed with the purpose of investigating the relative contribution of brain-behavioral systems to the marital satisfaction of married women in Urmia City. </span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Materials & Methods</span></i></b><b><span style="font-size:9.0pt">:</span></b><span style="font-size:9.0pt"> This cross-sectional (descriptive-analytical) study was performed on 220 married women living in Urmia, selected through cluster sampling. In addition to the demographic variables questionnaire,&nbsp;the&nbsp;Kansas Marital Satisfaction Scale (KMSS) and Behavioral Inhibition/Activation Systems Scale (BIS/BAS) were used to collect data. Data were analyzed using SPSS version 21 statistical software and descriptive statistical tests (mean and standard deviation, frequency and percentage), and analytical methods (Pearson correlation coefficients, multiple linear regression) at a significance level of <i>p</i> &le; 0.05. </span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Results</span></i></b><b><span style="font-size:9.0pt">:</span></b><span style="font-size:9.0pt"> Behavioral inhibition/activation systems have a significant effect (&szlig; = 0.388) on marital satisfaction, and the fitness indices of the model showed the adequacy of the presented model, and marital satisfaction has a negative relationship with age, duration of marriage, and spouse&#39;s employment. There was a positive relationship between the age of marriage, the couple&#39;s education level, the spouse&#39;s illness, and leisure time. </span></span></span></span><br> <span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Conclusion</span></i></b><b><span style="font-size:9.0pt">: </span></b><span style="font-size:9.0pt">The results of this study indicate that the brain-behavioral system is the most significant contributor to marital satisfaction and plays an essential role in improving relationships between couples. Therefore, it is recommended that psychologists pay attention to the importance and impact of these variables in the treatment and promotion of couples&rsquo; marital satisfaction in counseling and awareness programs.</span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:200%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:200%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span> Brain-behavioral system, Marital satisfaction, Married women 90 104 http://hsm.umsu.ac.ir/browse.php?a_code=A-10-208-1&slc_lang=en&sid=1 Yeganeh Dadashzadeh Sangary Yeganeh.d.s@gmail.com 10031947532846002549 10031947532846002549 No Faculty of Psychology and Educational Sciences, University of Tehran, Tehran Iran Seyed Saeid Pournaghash Tehrani spnaghash@ut.ac.ir 10031947532846002550 10031947532846002550 Yes Department of Psychology, Faculty of Psychology and Educational Sciences, University of Tehran, Tehran, Iran Hojjatollah Farahani ipsyhaf@gmail.com 10031947532846002551 10031947532846002551 No Department of Psychology, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran