8.1.2 Cerebral Dominance

Question 1

What is cerebral dominance?

Answer 1

Some functions are represented more prominently in one hemisphere in comparison to the other

Question 2

Give two examples of cerebral dominance

Answer 2

95% of people, left hemisphere dominant for language and mathematical/logical functions

95% of people, right hemisphere dominant for body image, visuospatial awareness, emotion and musical ability

BEVM

Question 3

Why is cerebral dominance important?

Answer 3

Allows us to predict effects of lobe lesions e.g. what side a lesion most likely came from

Question 4

What does the corpus callosum do in cerebral dominance?

Answer 4

Allows communcation between the two hemispheres

Giving an average of the two hemispheres

Question 5

What is alien hand syndrome?

Answer 5

Destruction of the corpus callosum, two hemispheres become completely independent from one another e.g. right hand will do up buttons while left undoes them