NR546 WEEK 7 STUDY EXAM WITH VERIFIED QUESTIONS AND CORRECT ANSWERS GRADED A+
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Course
NR546
Institution
NR546
NR546 WEEK 7 STUDY EXAM
WITH VERIFIED QUESTIONS AND
CORRECT ANSWERS GRADED A+
what neurotransmitter is involved in ADHD? - ANS-Dopamine & Norepinephrine
Affects symptoms of inattention &hyperactivity
random add facts - ANS-6.1 million children are diagnosed with adhd
boys are more likely ...
Risk factors (genetics) of adhd - ANS-Heritability - 88%
Premature birth
Low birth weight
Maternal stress during pregnancy
Prenatal substance exposure, including tobacco
Adverse childhood environmental
Psychosocal stress
Inconsistent parenting practices
ADHD Neuroanatomy - ANS-Specific ADHD symptoms may arise from abnormalities within circuits in the
prefrontal cortex (PFC), which affect executive function
ADHD Neural Networks - ANS--Possibly due to abnormalities in the prefrontal cortex circuits or errors in
the synaptic pruning process
-Both selective and sustained attention are modulated by the corticostriatal-thalamocortical (CSTC)
loop, the same loop that is associated with anxiety
Noticeable at age 6- 7 years
ADHD Neural Signaling - ANS-Norepinephrine (NE) (too low) and dopamine (DA (too low) are associated
with inefficient information processing in the prefrontal circuits- OUT OF TUNE
Agents that can increase the firing of both DA and NE may help increase prefrontal activity.
ADHD medications commonly target both dopamine and norepinephrine.
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