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BRAIN DEVELOPMENT AND EARLY LEARNING Teratogens Definition: environmental substance causing prenatal damage Examples: prescription and nonprescription drugs, alcohol, viruses, environmental pollution, etc Teratogens’ effects 4 factors determine severity of effects Brain physiology 100 billion neurons Glial cells support neurons Myelination adds speed Synapses create connections Synaptic pruning Brains have plasticity Babies Learn About the World External world Other minds Language Babies Learn About People Imitating others Recognizing the familiar Flirting with others Understanding others’ reactions Other minds: alike and different Testing autonomy Demonstrating empathy Babies Learn About Objects Living in a 3 dimensional world Objects have size constancy Can coordinate their senses Object disappearance and permanence Learning about casuality Categorizing objects Babies Learn About Language At birth, babies know a great deal Can discriminate all phonemes Learn patterns of language Learn social side of language Exposure changes our brain; personal connection is paramount Fostering Learning Interacting and playing Talking Allowing babies to explore Following your instincts