The pediatrician tells Danny’s mother that his attention deficit hyperactivity disorder is due to underactivity of specific neurotransmitters in his brain. Which approach to psychological disorders does this exemplify? supernatural historical psychological biologicala. supernaturalb. historicalc. psychologicald. biological Solution Ans d biological The pediatrician gives the probable reason for the hyperactivity disorder which he believes is due to under activity of neurotransmitters. So this is the biological approach that lead him to the find the etiology of disorder..