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Brain Hemispheres and Visual
Fields
The brain is made up of 2 hemispheres
The left hemisphere receives info from the
right visual field and controls the right side of
the body
The right hemisphere receives info from the
left visual field and controls the left side of the
body
They are connected by a bundle of nerve
fibres called the corpus callosum…read more

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Lateralisation of function
This means that one side has a different role
to the other.
Most evidence gathered about hemisphere
function is gathered from people who have
suffered strokes.…read more

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Roles of the Hemispheres
Right Hemisphere Left Hemisphere
- Intuitive tasks - Broca's area:- responsible for speech
- Drawing production
- Spatial awareness - Wernicke's area:- responsible for
speech comprehension
- Rational
- Reasoning…read more

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Split Brain Experiments
Sperry worked with patients who had had
their corpus callosum cut as an extreme
solution to severe epilepsy
Epileptic attacks are uncontrolled electrical
discharge in the brain
Extreme attacks can lead to collapse & loss of
consciousness
By cutting the corpus callosum the epileptic
attack is prevented from spreading from one
hemisphere to the other…read more

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