Chapter 2 part 2

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Unformatted text preview: Click to edit Master subtitle style 6/2/11 Chapter 2 Continued… Biology and Behavior 11 6/2/11 Components of the Cerebr um The largest str ucture of the human brain, consisting of two cerebral hemispheres connect ed by the cor pus callosum and covered by the cerebral cor tex n Cer ebr al hemispher es ◦ The r ight and left halves of the cerebr um; they control movement and feeling on the opposit e side of the body n Cor pus callosum ◦ The thick band of ner ve fibers that connects the two cerebral 22 6/2/11 Components of the Cerebr um n Cer ebr al cor tex ◦ The gray, convoluted cover ing of the cerebral hemispheres that is responsible for the higher mental processes of language, memor y, and thinking. n Association ar eas ◦ Areas of the cerebral cor tex that house memor ies and are involved in thought, perception, and language 33 6/2/11 44 6/2/11 The Cerebral Hemispheres n Later alization ◦ Functional specialization of one of the cerebral hemispheres n Left hemispher e ◦ Controls: n Right side of body n Most functions of speech and wr itten language ◦ Coordinates complex movements n Right hemispher e ◦ Controls left side of body 55 6/2/11 66 6/2/11 The Split Brain n The Split Brain Operation ◦ Rare surgical treatment for severe epilepsy ◦ Cor pus callosum is cut, separating the two hemispheres ◦ Each half has separate sensations, thoughts, and perceptions ◦ When picture is shown to the r ight eye: n Left hemisphere verbally repor ts what is seen 77 6/2/11 Testing a Split Brain Person n When a visual image (an orange) is f lashed on the r ight side of the screen, it is transmitt ed to the left hemisphere....
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Chapter 2 part 2 - Click to edit Master subtitle style...

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