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9 Cards in this Set
- Front
- Back
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When nicotine activates the sodium ion coupled cholinergic receptor, it increases the influx of Na+, resulting an excitatory response. Cholinergic receptors have interesting interactions with the dopaminergic system.
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Theories: Certain areas of prefrontal cortex are under-aroused or underdeveloped (or delayed in development in children with ADHD) in ADHD & activated by therapeutic stimulants –theory= increases executive functions including impulse control & attention.
2nd theory—reticular activating system is under-aroused in ADHD resulting in distractibility/lack of focus/lack of attention/---- stimulants increasing NE in this area counteract under-arousal. |
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