PSYA02H3 Lecture Notes - Pangs, Bulimia Nervosa, Estrous Cycle
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PSYA02H3 Full Course Notes
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Document Summary
Motivation: a general term for a group of phenomena that affect the nature, strength, and persistence of an individual"s behaviour. Proactive or forward looking: enforced to perform a behaviour to avoid an aversive event reactive or response to conditions at the time. Biological needs regulatory behaviours: a behaviours that tends to bring physiological conditions back to normal,. thus restoring the condition of homeostasis: ex/ eating, drinking, shivering, putting on a warm coat. Detector: monitors the value olf the system variable correctional mechanism restores the system variable to the set point. Drive reduction hypothesis: earliest to explain nature of motivation and reinforcement, having a lack of biological needs is unpleasant, hunger = a drive the physiological changes associated with going w/out food for several hours = hunger. Physiology of reinforcement reinforcement syste4m neurons that release dopamine as their transmitter substance: thus, all reinforcing stimuli appear to trigger the release of dopamine in the brain.
