ADHD is one of common neuropsychological disorders in childhood and continuing to adulthood and disturbs various dimensions of individual’s life such as personal affairs, social interactions, professional life, executive performance like active memory and concentration etc. There are numerous works on treatment of this type of disorder. Considering the lack of studies on neuro-feedback in adults, this research was conducted. For this purpose, this survey tries to determine effectiveness of neuro feedback in reduction of attention and concentration deficit symptoms in ADHD adults. This is experimental research pre-test and post-test as well as control group. Statistical population includes adults with ADHD referring to Atiye Clinic in Tehran. Two groups of experimental and control, each one composed of 8 people, were selected using purposive sampling. Research tools were Beck Stress Questionnaire, Beck Depression Questionnaire, Barkely Adults ADHD Questionnaire, IVA Test, and CNSVS test. The data were analyzed using SPSS software and Mann Whitney statistical test. Also, independent t-test, Wilcoxon, and Kruskal Wallis were applied for further results. Findings showed that neuro-feedback significantly reduced attention and concentration deficit symptoms in ADHD adult experimental group compared to control one. Therefore, neuro-feedback could be suggested for reduction of attention deficit symptoms and reduction of ADHD in adults