TYPE 3: OVERFOCUSED ADD SPECT findings: At rest and during concentration there is increased activity in the anterior cingulate gyrus. During concentration there is also decreased activity in the underside of the prefrontal cortex, cerebellum, and basal ganglia. Primary symptoms: inattentive, trouble shifting attention, frequently get stuck in loops of negative thoughts or behaviors, obsessive, excessive worrying, inflexible, frequent oppositional and argumentative behavior. May or may not be hyperactive. This pattern tends to be seen more commonly in children and grandchildren of alcoholics.
...more
