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Perceptions in infants

Perceptions in infants. Vision. Retina is not fully developed at birth. World appears blurry and washed out. Colour vision is not fully developed e.g. Cannot distinguish grey from blue, but can distinguish blue from red. . Newborn Vision.

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Perceptions in infants

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  1. Perceptions in infants • Vision. • Retina is not fully developed at birth. • World appears blurry and washed out. • Colour vision is not fully developed e.g. Cannot distinguish grey from blue, but can distinguish blue from red.

  2. Newborn Vision. • A newborn can only focus up to 8-12 inches away- Which is equal to the distance from mothers face to baby when he is in her arms. • By 6-8 mths the vision is near to that of an adult.

  3. Depth Perception.Development Of Depth Perception In Infants. • 3 Dimensional vision does not develop until around 4 mths. • Crawling builds 3-dimensional vision because it allows the child to move through space and explore the world around him.

  4. Evidence Of Depth-PerceptionVisualCliff Experiment. • Infants are asked to crawl over what looks like a drop off.

  5. Visual Cliff……infants view!

  6. Neonate study- Fantz (1961) • Two or more stimuli are presented together. • The experimenter simply observes which stimulus attracts the most attention. • If infants systematically prefer one stimulus to another this indicates that they can discriminate between them. This method was used by Fantz (1961).

  7. Visual preference for faces • Fantz (1961) devised the visual preference task which has proved to be one of the most effective ways of studying infant perception. • Two visual stimuli are presented to the infant at the same time, with one being presented to the infants left and one to the infants right. The amount of time spent looking at each stimulus is recorded.

  8. Visual Preferences for faces.

  9. The Nurture Argument. • Psychologists have investigated whether perceptual abilities are adaptable, therefore learned. • Cross-cultural studies. • Readjustment studies.

  10. W. Hudson (1960)

  11. Visual Readjustment.

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