Biopsychology Flashcards
what does the central nervous system involve?
brain, where all conscious and some unconscious processing happens
spinal cord, recieves and transmits info, some reflex processing
peripheral nervous system
body wide network of messenger neurons
sensory (afferent) to CNS
motor (efferent) away from CNS
contains ANS & SNS
somatic nervous system
controls skeletal muscles for movement
voluntary, conscious control
autonomic nervous system
controls actions of internal organs and glands
involuntary system, unconscious control
splits into (para)sympathetic
sympathetic
increases bodily activities
releases noradrenaline
fight or flight
increases heart rate, sweating, breathing rate, dilates pupil, inhibits digestion
parasympathetic
decreases bodily activities
rest & digest- stimulates digestion
heart, sweating & breathing rate decrease, constricts pupils