Biological Psychology

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If you want to study psychology to understand what people are thinking, trying to figure out how humans' brains work is an important part of it. This is the main content for Chapter 3. It combines biology--the part of humans' brains--with psychology. The signals released from the neurons in our brain decide our behaviors. There are two main nerve systems in our brains to transfer information--the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system contains the brain and spinal cord; the peripheral nervous system covers all other nerves existing outside of the CNS.Nervsyst_gubbe-CNS-PNS.png
There are more detailed classification inside these two nervous system:the cerebral cortex, which contains four lobes,basal ganglia, limbic system, cerebellum, brain stem, and spinal cord in the CNS; the somatic nervous system and autonomic nervous system in the PNS. In the CNS, especially in cerebral cortex,different areas control different humans' behavior.cortex2.gif
As the picture showed: prefrontal cortex works for various behavior and personality; motor cortex takes responsibility for movements; visual cortex shows us all images; somatosensory controls sensation; Broca's area helps us speak in front of people; and Wernicke's area gives us the ability to understand language--each area of cerebral cortex has its own responsibility for humans' behavior.

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This page contains a single entry by qianx122 published on January 25, 2012 1:48 PM.

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Chapter 16. Psychological & Biological Treatments is the next entry in this blog.

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