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Psych
| Question | Answer |
|---|---|
| Brainstem | Basic life functions / composed of midbrain pons and medulla |
| Recticular activation system | projection on the brainstem that set the level of consciusnes and regulates the clycle of sleep and wakefulness |
| Cerebellum | motor and cognitibe processing, |
| Alteration in cerebello thalamo cortical circuit | Associated with the development of positive symptoms of halluxinations, dellusions and altered perception. |
| Limbic brain | Consists of Hypocampus admidgala and basal ganglia "emotional brain" |
| hippocampus | new memories |
| amygdala | processing of fear and anxiety |
| Admydgal hyperactivity may cause | schizophrenia and paranoia |
| Extra pyramidal symptoms | In the vasal ganglia two types of movement disturbances may occur, 1 acute EPS and Tardive dikinesia. Caused by antipsychotics like risperidone |
| Thalamus | Filters sensory information before it reaches cerebral cortex |
| Hypothalamus | Maintains homeostasis, BP, hunger, thirst, libido |
| Frontla lobe | goals, planning, insight , motivation, sodial judgement. voluntary motor ability |
| Temporal lobe | Language, comprhension, storage of sounds and expression of emotions |
| occipital lobe | vision, language formation |
| Parietal lobe | receiving and identifying sensory info. body awareness, reading and mathematics. |
| Hypothalamic-pitiutary thyroid axis | involved in regulation of nearly every organ |
| Treatment used for cyling bipolar disorder and depression | thyroid hormones |
| Cause of prolacting increase amenorreah, gynecomastia | When excess dopamine is blocked, by the first generation typical antipsychotic drugs (risperidone) |
| Stimulant drugs that affect the sympathetic system | amphetamine, cocaine, withdrawal of benzos, alcohol and opiods |
| Enzyme that destroys monoamine | MAO monoamine oxidase |