Shape constancy

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Shape constancy

Kaye and Bower 1994: babies can guess what a dummy should look like from their experience of sucking one.

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Size constancy

Bower 1965: 6-8 week old Babies were conditioned (check your methods sheet for how this is done) to look at a 30 cm cube place 1 metre away. Then they were shown 3 different cubes: A 30cm cube placed 3metres away, (which gave a smaller retinal image than the original.) A 90cm cube, 1 metre away (larger retinal image)   They looked at the one that gave the same size image. A 90cm cube 3 metres away (same size image)

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Pattern perception (leads onto face recognition as

Newborns Can discriminate between stripes and a uniform surface           Fantz (1961) newborns prefer to look at patterns rather than dull stimuli and prefer more complex visual patterns as they get older.

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Face perception: A special form of pattern percept

Infants prefer looking at complex patterns such as faces: They prefer human faces by 2-7 months old & can recognise mum’s face (Fantz)-

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By 3 months they prefer human faces that have symmetrical features (Maurer & Maurer, 1988).

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Maybe because of the way they look at faces – initially they scan the outside and later the internal features such as mouth, eyes and nose.

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