Final Exam !!! Flashcards
basic component of nervous system?
NEURONS
define mirror neurons
specialized neurons that fire both when a person sees and is doing an action (LEARNING WITHOUT DOING ACTION)
4 main parts to a neuron?
- dendrites (RECIEVE message)
- cell body (info is here)
- myelin sheath (thicker = quicker)
- axon (CARRIES messages to other neurons/body cells)
- synapse
- axon terminal button
sympathetic vs parasympathetic ns?
sympathetic - reacts/alerts
parasympathetic - REGULATES/relaxes
define sensation
ACTIVATION of the sense organs; a PHSYICAL RESPONSE
define stimulus
any passing source of PHYSICAL ENERGY that produces a response in a sense organ
define perception
how stimuli are INTERPRETED; a PSYCHOLOGICAL response
psychoactive drugs
drugs that influence a persons emotions, perceptions, and behavior.
define stimulants
drugs that have an AROUSAL EFFECTS on the central nervous system (rise in heart rate, blood pressure, and MUSCULAR TENSION)
define depressants
drugs that slow down the nervous system
alcohol
the most common depressant used by more people than other drug!!
define hallucinogens
drugs that are capable of producing alterations in perception, thoughts, and feelings
define learning
relatively permanent change of behavior based on experience
who’s associated with classical conditioning?
pavlov
who’s associated with operant conditioning?
THORNDIKE AND SKINNER