Other Stuff for Psych

Addiction

A mental and physical dependence on a substance despite clear problems

Psychological Addiction

Mental or emotional reliance on a substance, with cravings and compulsions

Physiological Addiction

Increased tolerance of a substance, symptoms of withdrawal without it

Biological view

Addiction stems from the effect of dopamine and activation of the brain’s reward center

Cognitive view

Addiction is affected by our view of how much control we have over out actions and what we think is acceptable

Sociocultural view

Addiction is influenced by the observation of models, as well as stress and trauma

Sensation

The taking in of stimuli from the environment with our sensory receptors

Perception

Organizing, interpreting, and conciously experiencing those senses

Grouping

The tendency to organize stimuli into understandable units

Perceptual Constancy

Perceiving the size, shape, and color of an object as unchanging, even as the image on the retina changes

Depth perception

The ability to see the world in three dimensions and judge distances

Sensory Adaptation

Reduced sensitivity to a stimulus after exposure to it

Absolute threshold

The smallest level of stimulus that can be detected

Difference threshold

The minimum noticeable difference between 2 stimuli