PSY 1 Lecture Notes - Lecture 1: Hindbrain, Chorea, Amygdala

• School: UCSB
• Department: Psychology
• Course: PSY 1
• Professor: Fridlund

Document Summary

Dualism physical and mental are different aspects of reality. Brain weighs about 1400 g (~3 lb) in avg adult. Across animal kingdom, brain size and weight are unrelated to intelligence. Within humans, brain size and weight are weakly related to intelligence. The brain has numerous parts, inter-connected by circular pathways. Old (inner) cerebellum balance (linked to semicircular canals of ears and. Old (inner) cerebellum balance (linked to semicircular canals of ears and trochlear nerve that moves the eyeballs); damage causes cerebellar ataxia trochlear nerve that moves the eyeballs); damage causes cerebellar ataxia . New (outer) cerebellum rapid automatic movements, timing of movements. New (outer) cerebellum rapid automatic movements, timing of movements and thoughts and thoughts. Pituitary gland >> thyroid, adrenals, bone growth. Hunger, thirst, body temperature and induction of fever (pyrogens) Limbic system complex reaction patterns ( 4 f"s ) Background postural (axial) movements smooth pursuit eye movements. Smooth pursuit eye movements regulation of foreground/ background thinking (disrupted in ocd)