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Chapter 5

Chapter 5. Biosocial Development: 0-2. Michael Hoerger. Statistics. Norms: statistics describing percentile rank within a population Importance to developmental psychology? Percentile: proportion of the population scoring below a particular score IQ of 115 = 84 th percentile. Brain Basics.

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Chapter 5

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  1. Chapter 5 Biosocial Development: 0-2 Michael Hoerger

  2. Statistics • Norms: statistics describing percentile rank within a population • Importance to developmental psychology? • Percentile: proportion of the population scoring below a particular score • IQ of 115 = 84th percentile

  3. Brain Basics • Frontal Lobe: Planning, self-control, decision making, speaking, muscle movement • Brain cells (neurons) • Axon: passes messages from cell body to other neurons • Dendrite: receives messages from other neurons • Myelin Sheath: insulate axons, increases signal transmission speed • Synaptic Cleft: junction between axon and dendrite

  4. Experience • Experience-expectant learning: necessary for normal development • Light, sound, spoken language • Universal across cultures • Sensitive periods • Experience-dependent learning: • Which language, vocabulary, facts • Variable across culture • No strict sensitive periods

  5. Sensation vs. Perception • Sensation: information detected from outside stimuli • Green, prickly, smells nice • Perception: integration and interpretation of sensory information • Pine tree

  6. Michael Hoerger To cite this textbook: • Berger, K. (2005). The developing person through the lifespan. New York: Worth. To cite this lecture: • Hoerger, M. (2007, January 24). Developmental Psychology: Infant Biosocial Development. Presented at a PSY 220 lecture at Central Michigan University.

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