PSYB64H3 Lecture Notes - Lecture 2: Red Nucleus, Peripheral Nervous System, Amygdala
Document Summary
Functional neuroanatomy and the evolution of the nervous system. Evolution of the brain and nervous system. Different in humans because our brain is twisted about 80 degrees. Three customary orientations for viewing the brain and body. Need to know your point of reference (brain or body) Taking brain and cutting it down the centre. Hotdog buns that are cut from the top. Think of it as the way a slice of bread is cut. Cutting the brain from the front to the back across the plane. Think of it as the way hamburgers buns are cut. Cushions the brain, moving out nutrients and in hormones. Secreted in hollow spaces in the brain known as ventricles. Circulates through ventricles, subarachnoid space, and central canal of the spinal cord. Brain receives nutrients through the carotid arteries and vertebral arteries. The skull and three layers of membrane protect the brain. Cushions every single hill and valleys in the brain.
