Hemispheric Lateralisation And Split Brain Research Flashcards

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1
Q

Hemispheric Lateralisation

A

The idea that the two halves of the brain are functionally different and are specialised

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2
Q

What connects the two hemispheres of the brain

A

The corpus callosum

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3
Q

What is the function of the corpus callosum

A

Interhemispheric communication

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4
Q

What is the procedure called that removes the corpus callosum

A

Commissurotomy

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5
Q

Who conducted a study into split brain research

A

Sperry and Gazzaniga

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6
Q

What was the aim of Sperry and Gazzaniga’s research?

A

To examine the extent to which the two hemispheres are specialised for certain functions

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7
Q

What were the four different types of tasks in Sperrys study

A
  • describe what you see
  • describe what you feel
  • draw what you see
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8
Q

What was the conclusion of Sperry and Gazzanigas study

A

There is differences between the two hemispheres, the left hemisphere is dominant in speech and language, and the right is dominant in terms of visual-motor tasks

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9
Q

What is an assumed advantage of brain lateralisation

A

Increases processing capacity and the ability to perform multiple tasks simultaneously

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10
Q

What research supports the advantages of lateralisation

A

Rogers - found in a domestic chicken that hemispheric lateralisation caused them to be able to search for food and also be vigilant for predators at the same time

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