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About this document
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- 2 pages
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- $2 one-time, yours to keep
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- Subject
- Biopsychology, Psychology
- Module
- PSY 240
This document discusses the concept of cerebral lateralization, focusing on the different functionalities of the left and right hemispheres of the brain. It covers various methods used to study cerebral lateralization, including the sodium amytal test, dichotic listening test, and functional brain imaging.
What's inside
- Definition of cerebral lateralization
- Sodium amytal test for language lateralization
- Dichotic listening test
- Functional brain imaging techniques
- Effects of unilateral brain lesions
Who it is for: Students taking PSY 240. (Undergraduate)
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Summary
Cerebral lateralization is the brain's process of specializing in tasks. It covers methods to study the functions of the brain's left and right hemispheres.
Cerebral Lateralization Defined
Cerebral lateralization is a process. The brain's two hemispheres specialize in particular tasks. Many studies have revealed different functionalities of the left and right hemispheres.
Four Methods of Study
Four methods of cerebral lateralization are described. These methods study the functions of the right and left hemispheres. The methods include the sodium amytal test, the dichotic listening test, functional brain imaging, and comparing the effects of unilateral brain lesions.
The Sodium Amytal Test
The sodium amytal test is a language lateralization test. It is given to patients before neurosurgery. Patients are injected with sodium amytal to anesthetize one hemisphere.
The Dichotic Listening Test
The dichotic listening test is a noninvasive test. It can be given to healthy people. It involves presenting pairs of spoken numbers through earphones.
Key terms
- Cerebral Lateralization
- The process by which the brain's hemispheres specialize in particular tasks.
- Sodium Amytal Test
- A language lateralization test given to patients before neurosurgery.
- Dichotic Listening Test
- A noninvasive test involving presenting pairs of spoken numbers through earphones.
- Functional Brain Imaging
- A method of examining the brain while an individual reads or performs an activity.
- Unilateral Brain Lesions
- Brain lesions that affect one hemisphere, used to study cerebral lateralization.
- Positron Emission Tomography
- A method of functional brain imaging.
Questions this document helps with
- What is cerebral lateralization?
- How do the brain's hemispheres specialize in tasks?
- What methods are used to study cerebral lateralization?
Summary written with AI from the document's text.
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