182). Social rejection leads to social isolation and even social ostracism. Deficits in behavioral inhibition lead students with ADHD to make choices impulsively and overreact emotionally (Hallahan et al., 2012, p. 182). Joey's social relationships were also affected by his behavior. He experienced social rejection and even social isolation. The other students call him Zippy because of his hyperactivity. When moved to the special education classroom, Joey befriends a boy named Harold and meets another friend, Charlie, when he is sent to the special education center. Making new friends with other people with disabilities gave them something in common. In addition to ADHD, Joey also had some emotional problems. According to Hallahan, Kauffman, and Pullen (2012), it is common to have other conditions coexisting with ADHD. Some experiences that have affected Joey's relationships are his possible exposure to fetal alcohol syndrome as Joey's mother drank during her pregnancy, verbal and physical abuse from Joey's grandmother, abandonment from his parents, and l ADHD legacy passed down from his father and grandmother. Strong evidence links neurological dysfunction, rather than actual brain damage, to ADHD, while heredity also plays a very important role in causing neurological dysfunction (Hallahan