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Psychology as a Natural Science Exam 1 Study Guide with Complete Solutions

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Psychology as a Natural Science Exam 1 Study Guide with Complete Solutions Cerebral Commissures - Ans:-tracts that connect the left and right cerebral hemispheres lateralization of function - Ans:-differences in function between two sides of the brain split-brain patients - Ans:-patients whose ...

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  • October 15, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • 2024/2025
  • 2024/2025
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Psychology as a Natural Science Exam 1
Study Guide with Complete Solutions

Cerebral Commissures - Ans:✔✔-tracts that connect the left and right cerebral hemispheres


lateralization of function - Ans:✔✔-differences in function between two sides of the brain


split-brain patients - Ans:✔✔-patients whose corpus callosums have been cut


commissurotomy - Ans:✔✔-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 - Ans:✔✔-discovered area in the brain (named for him) in the left frontal lobe

responsible for language production


Aphasia - Ans:✔✔-impairment of language, usually caused by left hemisphere damage either to

Broca's area (impairing speaking) or to Wernicke's area (impairing understanding).


Broca's Area - Ans:✔✔-speech production


apraxia - Ans:✔✔-impairment of the ability to perform purposeful acts or to use objects

properly


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,GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS
RESERVED. FIRST PUBLISH OCTOBER, 2024

dominant hemisphere - Ans:✔✔-left hemisphere


minor hemisphere - Ans:✔✔-right hemisphere


sodium amytal test - Ans:✔✔-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 - Ans:✔✔-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.


dextrals - Ans:✔✔-right handed people


sinestrals - Ans:✔✔-left handed people


corpus callosum - Ans:✔✔-The large band of neural fibers connecting the two brain

hemispheres and carrying messages between them.


Roger Sperry - Ans:✔✔-like Gazzaniga, studied split brain patients; showed that left/right

hemispheres have different functions


scotoma - Ans:✔✔-blind spot in vision


cross-cuing - Ans:✔✔-Nonneural communication between hemispheres that have been

separated by commissurotomy.


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, GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS
RESERVED. FIRST PUBLISH OCTOBER, 2024

helping-hand phenomenon - Ans:✔✔-The redirection of one hand of a split-brain patient by the

other hand.


visual completion - Ans:✔✔-The completion or filling in of a scotoma by the brain.


chimeric figures test - Ans:✔✔-A test of visual completion in split-brain subject that uses

pictures composed of the left and right halves of two different faces


Z lens - Ans:✔✔-Permits visual input to enter only one hemisphere


Zeitgeist - Ans:✔✔-the trend or spirit of the times


Rene Descartes - Ans:✔✔-argued that the universe is composed of 2 elements 1) physical

matter and 2) human mind


Cartesian Dualism - Ans:✔✔-Separation of mind and matter, allowed something to be

investigated independently by reason


nature-nurture issue - Ans:✔✔-the longstanding controversy over the relative contributions that

genes and experience make to the development of psychological traits and behaviors


ethology - Ans:✔✔-study of animal behavior in the wild


instinctive behaviors - Ans:✔✔-Behaviors that occur in all like members of a species, even when

there seems to have been no opportunity for them to have been learned


asomatognosia - Ans:✔✔-A deficiency in the awareness of parts on one's own body.


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