Physiological Psychology Chapter 1

Physiological Psychology Chapter 1 - Physiological...

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Unformatted text preview: Physiological Psychology Chapter 1 19:54 *mind-body question: what role does the mind play? Does it control the nervous system? Is it part of the nervous system? -2 different approaches to the mind-body question: dualism : mind and body are separate. Body is made of ordinary matter Mind is not Monism : everything in universe consists of matter and energy and mind is phenomenon produced by workings of nervous system. -physiological psych takes empirical, monistic approach to studying human nature <UNDERSTANDING HUMAN CONSCIOUSNESS: A PHYSIOLOGICAL APPROACH>- blindsight : the ability of a person who cannot see objects in his or her blind field to accurately reach for them while remaining unconscious of perceiving them; caused by damage to the “mammalian” visual system of the brain. Suggests that consciousness isn’t a general property of all parts of the brain; some parts of the brain, but not others, play a special role in consciousness <SPLIT BRAINS> -shows how disconnecting parts of the brain involved with perceptions from parts that are involved with verbal behavior also disconnects them from consciousness suggests that the parts of the brain involved in verbal behavior may be the ones responsible for consciousness-surgical procedure used for severe epileptics ( split-brain operation ) nerve cells in one side of brain are overactive and over-activity is transmitted to other side of brain by corpus callosum (large bundle of nerve fibers connecting corresponding parts of one side of the brain with those of the other) -largest part of the brain consists of 2 symmetrical parts called the cerebral hemispheres , which receive sensory info from opposite sides of the body & control movement of opposite sides split brain operation prevents the two hemispheres from communicating. Left hemisphere controls speech Right hemisphere understands instructions well but incapable of producing speech -left hand has a “mind of its own” according to people who undergo the operation-exception to the crossed representation of sensory info= olfactory system. Left nostril left brain receives sensation of odor If odor enters right nostril, patient will say he/she hasn’t smelled anything. But right brain DID perceive the odor and can identify it. Smell rose odor with right nostril and reach for some objects hidden from view by partition with their LEFT hand (controlled by the right brain), patient selects object that corresponds to the odor (plastic flower) but if asked to use their right hand, they fail the test. <UNILATERAL NEGLECT> - unilateral neglect...
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This note was uploaded on 03/07/2012 for the course 830 201 taught by Professor Leyton during the Fall '08 term at Rutgers.

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Physiological Psychology Chapter 1 - Physiological...

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