PSYC 3530H Chapter Notes - Chapter 3: Central Nervous System, Observational Learning, Twin Study
5 Apr 2016
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Chapter 3 biological and environmental contexts of psychopathology. Early growth is biologically guided but experience is criical. Nervous system begins to develop shortly ater concepion. What is in the brain: mulifuncioning cells, glial cells, neurons specialized to chemically transmit impulses within the nervous system and to and from other body parts. Nerve ibres become sheathed in myelin white substance that increases the eiciency of communicaion in the brain. Development is based on biology and experience: pruning unneeded cells and connecions are eliminated. Central nervous system brain and spinal cord. Peripheral nervous system nerves outside of cns that transmit messages to and from it: somaic system involves the sensory organs and muscles, autonomic system involves arousal and emoions. Endocrine system collecion of glands intricately involved in bodily funcions through the release of hormones. Parts of a neuron: cell body, dendrites receive chemical messages from other neurons that send electric impulses down the axon, axon.
