Oppositional Defiant Disorder and Biology
Is the cause of Oppositional Defiant Disorder biological? There appears to be no single cause that produces Oppositional Defiant Disorder (ODD); however, researchers do agree that there is a strong genetic and biological influence involved. Research suggests that behavioral problems in ODD kids may occur as the result of defects in - or injuries to - the brain. Oppositional Defiant Disorder is associated with abnormal amounts of neurotransmitters (i.e., chemicals that enhance communication among neurons in the brain). If these chemicals are out of balance or not working properly, messages may not make it through the brain correctly, leading to symptoms of Oppositional Defiant Disorder, and other mental illnesses. Other biological factors found in those diagnosed with Oppositional Defiant Disorder is (1) a difficult temperament, (2) above normal levels of testosterone, and (3) low physiological arousal (i.e., under-arousal) in response to stimulation. Several the