Mizzou PSYCH 2410 - Infant Perception (2 pages)

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Infant Perception

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Infant Perception


outline of in class lecture

Lecture number:
Lecture Note
University of Missouri
Psych 2410 - Developmental Psychology

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PSYCH 2410 1st Edition Lecture 6 Outline of Genetic and Environmental Forces I Genetic and Environmental Forces II Behavior and Genetic Research III Heritability Estimates IV The Brain Outline of Infant Perception I Basic Vision II Depth Perception III Intermodal Perception Infant Perception I Basic Vision Image of object is focused on fovea at center of the retina Vision Limitations of infants 1 getting the image Babies don t always converge on 1 object Focusing response is slow and imprecise 2 reading the image Infants have a wide fovea littered with other cells Cones are immature Visual Acuity sharpness of visual discrimination o Measured by smallest black and white stripes we can detect infants stare at a picture with stripes longer than one without o Adult eyesight 20 20 infant 20 600 o By 4 5 years children are at adult s eyesight level Color Vision and Development o Birth shades of gray and white o By 3 4 months adult like Object perception o Expected events consistent with expectation o Unexpected events inconsistent with expectation Happens about 4 5 months Visual Recognition o Can infants recognize stimuli after a delay Familiarization trials on 6 month olds showed that even after a delay of time infants still prefer to look at new stimuli faces abstract patterns Infants are born ready to learn II Depth Perceptive Binocular disparity 2 eyes receive different images o Takes infants 4 months to develop These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Kinetic cues direction and speed of apparent motions objects closer seem to move faster than objects far away o Developed at birth Pictorial cues cues artists use to create 3 D images o takes infants 7 months to develop o Interposition near objects occlude far objects o Relative size closer objects appear larger Fear of Heights Study by Campos o Inexperienced crawlers have depth perception but NO fear of

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