L1: The self and The brain

Question 1

Name the 4 lobes of the brain

Answer 1

Occipital, Parietal , Frontal, Temporal

Question 2

What are the Gyri and Sulci?

Answer 2

Gyri - Folds/bumps in the brain

Sulci - Indentations/grooves

Question 3

What are the 2 types of connections carried out by the corpus callosum?

Answer 3

Homotopic- between spatially analogous areas across the hemisphere
Heterotopic- connect cells form one area of one hemisphere to another area of the other hemisphere

Question 4

What is the purpose of the Wada test?

Answer 4

To show tasks cannot be performed if a hemisphere is temporarily anaesthetized

Question 5

What is a callosotomy?

Answer 5

Procedure that cuts corpus callosum in epilepsy patients

Question 6

Who performed hemisfield presentation experiments?

Answer 6

Sperry and Gazzinga

Question 7

What results were found from the block design task?

Answer 7

Split-brain patients couldnt copy design with right hand, the left hand kept trying to intervene so patients had to sit on their left hand

Question 8

What is known about parkinsons and smiling?

Answer 8

Patients can voluntarily smile but cannot spontaneously react.

Question 9

What withers away as a result of Parkinsons?

Answer 9

Substantia Nigra, results in a loss of sopamine production

Question 10

Which hemisphere conducts global analysis and which one conducts detail processing?

Answer 10

Right - global analysis

Left - Detail processing

Question 11

What are the hemisphere differences in decision making

Answer 11

Right hemisphere - maximising approach

Left hemisphere - looks for rules and patterns, approximates matching