LectureOutline5-InfantCogLang

LectureOutline5-InfantCogLang - Lecture Outline Lecture 5...

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Lecture Outline – Lecture 5: Infant Perceptual, Cognitive, and Language Development Perceptual Development in Infancy: A Focus on Vision Last sense to reach full capacity. At birth the neurons of visual cortex are not mielinated. Rapid maturation of the eye and the brain’s visual centers. Focus best on objects 8-15 cm away. By 11 months vision is at near adult level. Depth Perception Definition: The ability to judge the distance of objects from one another and ourselves. Role of motion: motion provides much information, first depth cues that infants are sensitive to. Role of independent movement: crawling can play a vital role in its refinement. Gibson and Walk (1960) visual cliff demonstrations: children 6 months and older would not crawl across “deep” side. Pattern Perception Preferences: prefer patterned and complex stimuli over plain. Contrast sensitivity: principle that if babies can detect a difference in contrast between two patterns they will prefer the one with more contrast . Face Perception: Fantz – looking chamber. Fantz - Preference for human face. Infants show a clear preference for the human face. Piaget’s Cogntive-Developmental Theory Nature of Sensorimotor stage: Infants are thinking and learning about the world with their 5 senses from age of 0-2. This is where intelligence begin.
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