PSY 302 Lecture Notes - Lecture 5: Visual Acuity, Perceptual Learning, Retina
Document Summary
Chapter 5 seeing, thinking, and doing in infancy. The processing of basic information from the external world through the sense organs (eyes, ears, skin, etc. ) The process of organizing and interpreting sensory information about objects, events, and spatial layout of the world around us. Preferential technique: a method for studying visual attention in infants. Involves showing infants two patterns or two objects at a time. Habituation: decline in response to an object: visual acuity: sharpness of visual discrimination. Contrast sensitivity: the ability to detect differences in light and dark areas in a visual pattern: high-contrasting patterns versus low-contrasting patterns. Cones: light-sensitive neurons that are highly concentrated in the fovea (the central region of the retina) Infants have low acuity, as cones are not fully developed. Colour perception appears at 2 months of age. There is evidence of colour categories in infants" brains.
