LETTER TO EDITOR Dear Editor

Attention Deficit Hyperactivity Disorder (ADHD) is the most common behavioral disorder in children (1). Prevailing theories suggest that this disease is caused by the disruption of dopamine transmission in the frontal lobe and frontostriatal pathway (2). The prevalence of such a disorder worldwide is approximately 5.2–12 % (1)(2). ADHD is one of the most common disorders followed by epilepsy that affects the quality of the patients ’ life and is an important risk factor of academic achievement (3). Many recent studies imply that there is a complex and bidirectional relationship between ADHD and epilepsy (3)(4)(5). Previous studies have indicated a strong relationship between epilepsy and neuropsychological disorders such as Electrical Status Epilepticus in Sleep (ESES) and Landau–Kleffner syndrome (LKS) (1) (4). Epilepsy in children is associated with behavioral problems, such as ADHD and cognitive impairments. Cognitive disabilities are more likely to worsen with early onset and uncontrolled epilepsy. Children with some of the epileptic syndromes such as benign childhood epilepsy with centrotemporal spikes (BCECTS), frontal lobe epilepsy, rolandic epilepsy