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 = 84 th percentile

4. 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

6. 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

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

8. 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.