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Enduring Issues in the Biological Basis Behavior Lecture Notes

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Enduring Issues in the Biological Basis Behavior - Person-Situation: To what extent is behavior caused by internal processes, as opposed to environmental factors? - Mind-Body: what is the connection between what we experience and our biological processes? - Nature-Nurture: To what extent does heredity affect behavior? - Stability-Change: Does the nervous system change due to experience? - Diversity-Universality: Are there differences between men and women in the way that the brain works? Neurons: The messengers - Psychobiology: focuses on biological bases of behavior and mental processes - Neuroscience: The study of the brain and the nervous system - The Neuron: - Axon→ carries neuron’s message to other body cells - Cell body (soma)--> receives info from dendrites, if enough stimulation is received, the message is passed to the axon - Dendrites→ receive info from other neurons and sensory receptors - Myelin→ covers the axon of some neurons to insulate and help speed neural impulses - Terminal buttons→ from junctions with other cells and release chemicals called neurotransmitters - Types of Neurons: - Sensory (or afferent) neurons - Motor (or efferent) neurons - Interneurons (or association neurons) - Glial cells (or glia) - Mirror neurons - “Found in the brains of humans and other primates, mirror neurons appear to play a key role in how a primate’s brain is wired to mimic the sensations and feelings experienced by other related animals and, thus, to identify an ...
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