Psychology 1000 Chapter Notes - Chapter 3: Positron Emission Tomography, Wilder Penfield, Peripheral Nervous System

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Reticular formation begins at the level of the medulla and runs up through midbrain to forebrain. Control over smooth muscle (cardiac and glands) basically involuntary. Neural structures outside of brain and spinal cord. Input and output functions to allow our body to work. Sensory neurons specialized to transmit messages from eyes, ears and other sensory receptors . Motor neurons send messages to the brain that control our muscle movement (voluntary) Axons of sensory neurons form together to create a sensory nerve. Axons of motor neurons form together to create motor nerves. * note: inside the brain, the nerves are called tracts . The autonomic nervous system controls involuntary nervous actions (glands, smooth muscle heart, blood vessels, stomach lining and intestines controls respiration, circulation and digestion. Motivation, behavior and stress response the sympathetic and parasympathetic nervous systems. Sympathetic: activation or arousal function acts as a total unit (example: fight or flight response)