Lecture 11

Question 1

“Global”

Answer 1

Left Visual Field (Right Hemisphere)

Big picture of an object e.g. House

Question 2

“Local”

Answer 2

Right Visual Field (Left Hemisphere)

Details e.g. windows, doors

Question 3

Brown-Séquard re. hemispheres

Answer 3

Educate the “primitive” right hemisphere

Alternate use of the right and left side of the body

Question 4

Planum temporale

Answer 4

Part of the temporal lobe that is larger on the left than right hemisphere
Presumed to reflect language specialization

Question 5

Cerebral Petalias

Answer 5

Appears as though torque has been applied to the brain
Anterior part of right hemisphere is bigger
Posterior part of left hemisphere is bigger
Seen as far as 3.5 million years ago, around the time of bipedalism

Question 6

Dichotic listening

Answer 6

Right ear has advantage for words
Left ear has advantage for listening
This is because there is contralateral projection (but not entirely) of sound

Question 7

Corpus callosum

Answer 7

Part of the brain that connects the left and right hemispheres
Information travels across it
When disconnected, you get a split brain patient

Question 8

Control of facial expression

Answer 8

RH controls spontaneous expressions (a natural smile)

LH controls intentional expressions (a fake smile)

Question 9

Imbalange Idea

Answer 9

(Outdated) idea that mental illnesses came from imbalances in hemispheres

Question 10

Where is face processing locatd?

Answer 10

Right hemisphere (left visual field for split brain patients)