PSYC 110 Lecture Notes - Lecture 13: Focal And Diffuse Brain Injury, Cerebral Cortex, Pineal Gland
Document Summary
The historic brain: father of neurosurgery- galen (130-200 ad, belie(cid:448)ed (cid:862)a(cid:374)i(cid:373)al spirits(cid:863) (cid:449)ere produ(cid:272)ed i(cid:374) the heart, flo(cid:449)ed to the (cid:448)e(cid:374)tri(cid:272)les where they were stored and were used for movement and sensation. Cerebral cortex: outer covering of two hemispheres of the brain, corte(cid:454) is fro(cid:373) the greek (cid:449)ord for (cid:862)(cid:271)ark(cid:863, contains 20-23 billion neurons, >100 trillion connections, responsible for the most complex aspects of perception, emotion, movement, and thought. Motor cortex: located at the back of the frontal lobe, next to the parietal lobe, topographical representation of the body, larger areas of motor cortex devoted to body areas requiring precise control. Important for directing intentional movements: received input from the cerebral cortex, sends output to motor centers in the brainstem, striatum involves control of posture and movement, espo(cid:374)si(cid:271)le for (cid:862)ha(cid:271)its(cid:863) Controversy: the hypothalamus, hippocampus, and amygdala are involved in motivation, emotion, learning, and memory, hippocampus, creates new memories integrates memories into a network of knowledge.
