| A | B |
| transduction | process sense organs transmit messages to brain |
| sensation | process of receiving messages from sense organs |
| perception | step that considers past, future, motivations |
| cognition | decision making and problem solving |
| communication | brain tells responding organs what to do |
| context, size, motion, uniqueness, repetition | five factors in ou perception of contrast |
| motivation, expectaion, past experience | three personal variables in perceptual selectivity |
| proximity, similarity, continuity, closure | four stimulus factors-perceptual organization |
| clusure | tendency to fill in the blanks |
| proximity | figures close together in visual field |