there is a paucity of research on hydrochloride heroin addiction and its effects on human executive functions. Executive system is a cognitive system that controls and manages cognitive processes. This system is named as the executive function, supervisory attentional system, or cognitive control. This system is also used to describe a defined collection of brain processes that are responsible ...

Objective To describe the frequency of pragmatic and executive deficits in right brain damaged (RBD) and in traumatic brain injury (TBI) patients, and to verify possible dissociations between pragmatic and executive functions in these two groups. Methods The sample comprised 7 cases of TBI and 7 cases of RBD. All participants were assessed by means of tasks from the Montreal Communication Eva...

Classic cognitive theory conceptualizes executive functions as involving multiple specific domains, including initiation, inhibition, working memory, flexibility, planning, and vigilance. Lesion and neuroimaging experiments over the past two decades have suggested that both common and unique processes contribute to executive functions during higher cognition. It has been suggested that a supero...

The prefrontal cortex (PFC) is part of the frontal lobes lying just behind the forehead and is one of the most important areas in the brain. This brain region is responsible for executive functions, which include mediating conflicting thoughts, making choices (between right and wrong or good and bad), predicting future events, and governing social and emotional control. All of the senses feed i...