Create
Learn
Share

Psychbiology

rename
casonjc1's version from 2015-07-25 17:09

Section

Question Answer
Thought disorders/psychotic symptoms due to elevated dopamine. Greatest changes in mesolimbic/mesocortical tracts. Decreased 5HT receptor activity also contributes to negative symptoms.
Anxiety disorders Elevated levels of 5HT, NE and low GABA. Raphe Neucleus is the most involved circut.
Cognitive disorders (ADHD) Dysregulation of dopamine and NE
Dopamine D2 and D4 most important. Excitatory. Controls thoughts and emotions in frontal cortex and mesocortical tract.
Dopamine pathway Nigrostiatal
Dopamine pathway influences in the tuberoinfundibular pathway that controls prolactin secretion
Norepinephrine located in the locus coreuleus to frontal cortex to regulate mood (beta 1 receptors)
Frontal cortex
memorize