click below
click below
Normal Size Small Size show me how
USMLE-PsychNeuro
USMLE - More Psych Neuro Cards
Question | Answer |
---|---|
What is significance of nucleus accumbens? | site of action of highly-addictive drugs such as cocaine and amphetamine. Cocaine/amphet --> increase dopamine in nucleus accumbens |
name the 4 dopamine pathways. | nigrostriatal, mesocortical, mesolimbic, tuberoinfundibular |
nigrostrialtal pathway | production of movement, as part of a system called the basal ganglia motor loop; affected in Parkinson's and tardive diskinesia |
what causes tardive dyskinesia | drugs that block D2 dopamine receptors |
what is tardive dyskinesia | a neurological disorder involving impairment of voluntary movement (tics) caused by the long-term or high-dose use of dopamine antagonists, usually antipsychotics. |
dissociative identity disorder | single individual evidences two or more distinct identities or personalities, each with its own pattern of perceiving and interacting with the environment. It is believed that at least two of these personalities may routinely take control of the individua |
psychogenic fugue | sudden travel and inability to recall one's past or confusion about one's identity |