introduction: drug addiction could lead to severe impairments in executive and neurocognitive functions but study on the impact of hydrochloride heroin on executive functions has remained in infancy in iran. the aim of this study was to examine the relationship between addiction to hydrochloride heroin and executive functioning in several cognitive domains including mental flexibility, abstract...

BACKGROUND An increasing body of research points to a significant association of obesity to Attention-Deficit/Hyperactivity Disorder (ADHD) and deficits in executive functions. There is also preliminary evidence suggesting that children with ADHD may be at risk of obesity in adulthood. DISCUSSION In this article, we discuss the evidence showing that ADHD and/or deficits in executive functions...

In this paper, we propose a preliminary theory of executive functions that address in a specific way their relationship with working memory (WM) and higher-level cognition. It includes: (a) four core on-line WM executive functions that are involved in every novel and complex cognitive task; (b) two higher order off-line executive functions, planning and revision, that are required to resolving ...

Cognitive impairment and depressive symptoms are associated with worse functionality phenotype in Alzheimer’s disease (AD) and Mild Cognitive Impairment (MCI) elderly. The present study aims to investigate the association between the impairment of executive functions and episodic memory, the presence of depressive symptoms with the functionality of these patients. One hundred and eighteen parti...

INTRODUCTION Several studies have conducted on impairments of executive functions in individuals with methamphetamine addiction; however, only a few have investigated the relationship between executive functions and duration of addiction or abstinence. This study was designed to assess the executive functions in methamphetamine-addicted individuals in relation to the duration of addiction or ab...