PSYC 402 Lecture Notes - Lecture 3: Retina, Depth Perception, Subjective Constancy
Document Summary
Habituation: decreased responsiveness to a stimulus after repeated presentations of the stimulus: test recognition. Dishabituation: the recovery of a habituated response after a change in stimulation: test discrimination. Infant vision: acuity - sharpness of vision. 20/240 at birth - babies see at 20 ft what we see at 240 ft: colour vision - limited at birth but soon develops, pattern perception - prefer patters at birth; can see faces at 2 mos. Miniature cliff with a drop-off covered by glass in their (gibson and walk) laboratory. The 6-12 month old infant in the visual cliff experiment had extensive visual experience. Aging vision in adulthood: loss of. Touch and pain: newborns feel pain; by 6 mos. , can coordinate vision and touch. Smell: can differentiate odors at birth; shows some preferences. Taste: may prefer sweet tastes before birth; likes salty at 4 months: older adults. Touch and pain: less sensitive to pain and touch in lower extremities.
