PSYCH101 Chapter Notes -Somniloquy, Agonist, Stirrup

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Richard Ennis

Document Summary

Franz gill formulated the theory, phrenology: claimed that bumps on the scull could reveal our mental abilities and character traits. Phrenology correctly focused attention on the idea that various brain regions have particular functions. Two discoveries: body is composed of cells. Neurons conduct electricity and communicate with each other using chemical messages. Biological psychology: a branch of psychology that deals with links between biology and behavior. We, humans, are bio psychosocial systems, meaning that we are a combination of biological, psychological and social-cultural systems. Sensory neurons: carry messages from tissues and organs to the brain and the spinal cord, for processing. Motor neurons: carry messages from the brain and spinal cord to the tissues and organs. Interneurons: neurons within the brain and spinal cord that communicate internally. Myelin sheath insulates the axon of some neurons and help speed their impulses. If it degenerates, it results in multiple sclerosis and the communication to muscle slows, with eventual loss of muscle control.