6th Edition of Neurology World Conference 2026

Abstract

Objective: Attention deficit hyperactivity disorder (ADHD) is a persistent, genetically inherited neurobehavioral and neurodevelopmental disorder that is explained by a variety of neurobiological pathways. The purpose of this study is to compare visually evoked potentials (VEP) latency and amplitude in ADHD patients. It is aimed to discuss the effects of disease severity and psychostimulant use on the central nervous system based on VEP measurements.

Methods: The study included 30 patients, 15 of whom are on psychostimulant drugs and 15 of whom are not. Adult ADHD Diagnostic Screening and Rating Scale were applied to all participants, and VEP measurements were recorded. P100 amplitude and latans were recorded for both eyes. In ADHD patients, these values were compared based on the severity of the disease and of those who receive treatment and those who do not by using Statistical Package for Social Science (IBM SPSS Statistics 25 software).

Results: There was no statistically significant difference between latency and amplitude values according to disease severity (p>0,05). The difference was statistically significant between P-100 latency according to psychostimulant use (p=0,046, p=0,016). With regard to the use of psychostimulants, there was no significant difference in the amplitude values (p>0,05).

Conclusions: Increased sample size VEP studies in ADHD with additional confounding variables will provide insight into the information processing process and shed light on the pathophysiology of ADHD.