Psychology as a Natural Science Exam 1 Questions and Correct Answers the Latest Update and Recommended Version
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Module
Psychology as a Natural Science
Institution
Psychology As A Natural Science
Cerebral Commissures
tracts that connect the left and right cerebral hemispheres
lateralization of function
differences in function between two sides of the brain
split-brain patients
patients whose corpus callosums have been cut
commissurotomy
procedure in which the commissural axons of...
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Psychology as a Natural Science Exam
1 Questions and Correct Answers the
Latest Update and Recommended
Version
Cerebral Commissures
✓ tracts that connect the left and right cerebral hemispheres
lateralization of function
✓ differences in function between two sides of the brain
split-brain patients
✓ patients whose corpus callosums have been cut
commissurotomy
✓ procedure in which the commissural axons of the corpus callosum (and often anterior
commissure) are severed such that the cortical regions of the two brain hemispheres
cannot communicate; commonly called the "split brain" procedure
Paul Broca
✓ discovered area in the brain (named for him) in the left frontal lobe responsible for
language production
Aphasia
✓ impairment of language, usually caused by left hemisphere damage either to Broca's area
(impairing speaking) or to Wernicke's area (impairing understanding).
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Broca's Area
✓ speech production
apraxia
✓ impairment of the ability to perform purposeful acts or to use objects properly
dominant hemisphere
✓ left hemisphere
minor hemisphere
✓ right hemisphere
sodium amytal test
✓ Involves injecting the anesthetic sodium amytal into either the left or right carotid artery in
the neck - usually used to determine the dominant language hemisphere prior to brain
surgery
dichotic listening test
✓ Noninvasive test; administered to healthy individuals. 3 pairs of spoken digits are
presented through earphones, the digits of each pair are presented simultaneously, one to
each ear.
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