PYB100 Lecture Notes - Blood Sugar, Optic Nerve, Temporal Lobe
4 Jul 2013
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Document Summary
Week 5 biological basis of mental processes and behaviour. Chapter 3 p. 96 99, 102 117. Human nervous system: the biological basis for psychological experience. Consists of the peripheral nervous system (pns) and central nervous system (cns) Carries information to and from the cns around the body. Has two subdivisions somatic and autonomic. Basically interacts with all the outside environment temperature, touch taste etc. Conveys sensory information to the cns via afferent nerves (afferent = in the cns) Carries out motor commands given by the cns via efferent nerves (efferent = out the. Information about internal organs etc send to the cns via nerves are afferent nerves. Information sent from the cns back to organs etc via nerves are efferent. Basically our body"s internal environment breathing, hormones, digestion etc. Serves basic life functions such as breathing and digesting. Consists of the sympathetic and parasympathetic nervous systems. Response to threats i. e. fight or flight. Also related to other intense responses i. e. ejaculation.
