B7-075 ADHD Flashcards
ADHD onsets before the age of […], but diagnosis can only be established after age […]
ADHD onsets before the age of [12], but diagnosis can only be established after age [4]
diagnostic criteria of ADHD requires symptoms occurring in […] setting
two or more
(i.e. school, home, church, etc) (helps rule out environmental factors)
ADHD is associated with […] intelligence, but often coexists difficulties at school or other cognitive disorders
normal
three stages of attention
- alerting
- orienting
- executive attention
the ability to maintain attention over long periods of time
alerting
(vigilance, sustained attention)
the ability to limit attention to a subset of possible sensory inputs
orienting
(selective attention, divided attention)
the ability to prioritize attention in the context of competing demands
executive attention
(conflict monitoring, attention switching)
ADHD was first introduced to the DSM III as
ADD
a diagnosis of ADHD requires symptoms of […] and […]
inattention
hyperactivity/impulsivity
(six symptoms within six months that have direct negative impacts on social/occupational functioning)
diagnostic criteria requires ADHD symptoms present before age
12
subtype: both inattention and hyperactivity/ impulsivity criteria are met
combined presentation
subtype: inattention criteria are met; hyperactivity/ impulsivity criteria are not met
predominantly inattentive presentation
subtype: inattention criteria are not met; hyperactivity/ impulsivity criteria are met
predominantly hyperactive/impulsive presentation
[boys/girls] are more likely to be diagnosed with ADHD
boys
diagnosis of ADHD in […] may require ancillary information
adults
(family members, academic documentation, etc)
way to differentiate ADHD from other psychiatric disorders like anxiety, OCD, etc
ADHD must have long history, back to childhood
ADHD is correlated with high incidence of lifetime diagnosis of [4]
anxiety disorders
MDD
antisocial personality disorder
alcohol/drug dependencies
activity of the Default Mode Network is found to […] in activity during attention-demanding tasks in ADHD
decrease
neurotransmitters implicated in ADHD
dopamine
NE
structures implicated in ADHD [4]
dorsolateral prefrontal cortex
cingulate
caudate
putamen
(he referred to cingulate + caudate + putamen as frontostriatal circuit)