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Developmental Psychology

Developmental Psychology. Infancy and Childhood. Physical, Perceptual & Linguistic Development. Developmental Psych – changes that occur as an individual matures Nature v. Nurture – How much is learned v. inherited? Are newborns/infants clean slates? What changes with age progression?.

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Developmental Psychology

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  1. Developmental Psychology Infancy and Childhood

  2. Physical, Perceptual & Linguistic Development • Developmental Psych – changes that occur as an individual matures • Nature v. Nurture – How much is learned v. inherited? • Are newborns/infants clean slates? • What changes with age progression?

  3. Physical, Perceptual & Linguistic Development • Newborns • Stimulus overload • Unlearned automatic reflexes • Grasping Reflex • Rooting Reflex • Babinski Reflex • Crying, smiling, surprise, fright • Maturation – Internally programmed growth • Babies show striking similarities in development patterns

  4. Physical, Perceptual & Linguistic Development • Maturation • 3 mo – Lifts head • 4 mo – Smile • 5-6 mo – Grasp • 8-10 mo – Crawling • 12-14 mo – Walking • Maturation can vary widely

  5. Physical, Perceptual & Linguistic Development • Perceptual Development • Cliff Test • 6 months had fear • Newborns heart rate increase • Language Development • Chimps – linguistics of a 2 year old human • Crying – Cooing – Shortened Words • At 2 – vocab of about 500 – 1500 words • Telegraphic Speech • From 1 ½ to 5 – add about 5-10 words per day

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