PSYCH 1 Lecture Notes - Lecture 3: Peripheral Nervous System, Autonomic Nervous System, Motor Control
Document Summary
Spinal cord connects brain to every part of the body. Brain to spinal cord, spinal cord to peripheral nervous system. Ends in nerve fibers- do sensory relay. Main function: carry information to and from cns. Links every other part of body (muscles, nerves, etc) to brain and spinal cord. All of nerves that connect to sensory receptors and control skeletal muscles. Responsible for all involuntary processes (heart rate, digestion, etc. ) Sympathetic ns- fight or flight arouses body for action (heart rate and breathing increases, digestion ceases) Parasympathetic ns- works in opposition to sympathetic nervous system- Returns body to homeostasis once the fight or flight in complete. 1) frontal lobes- charged with motor control, speech production, higher-functioning function (thinking, personality, memory) 2) parietal lobes- sensory processing (pressure, pain, touch, temperature) 3) temporal lobes- audition, language, comprehension, memory, small portion of emotional control. Corpus callosum- connections left and right hemisphere of the.
