PS102 Lecture Notes - Lecture 3: Karyotype, Chromosome, Peripheral Nervous System
Document Summary
Specialized cells that carry messages throughout the nervous system. Electrochemical exchange - both electrical and chemical. Every neurons are different they look, and structured differently. Differ in shape and size and function. Afferent neurons ( sensory) - relay information from the senses to the brain and spinal cord. Efferent neurons (motor) - send information from the central nervous system to the glands and muscles, enabling the body to move. Interneurons - carry information between neurons in the central nervous system. Like the glue that holds neutrons together. Waste system; removes waste suss as dead neutrons. Can in some cases act like a neurons. Intensity is conveyed by the rapidity of ring. Acetylcholine between motor neurone and voluntary muscles ( what lets you move) Agonists excite - increase liked of ring. Antagonists opposes - decreases likelihood of ring. Dopamine - excites and inhibits learning, attention, movement, and reinforcement. Norepinephrine - affects eating habits, alertness, and wakefulness.
