Behavioural neuroscience

Question 1

what experimental, clinical, and cognitive neuropsychology mean

Answer 1

e - experimenting on healthy humans
cl - applying knowledge to patients with brain injuries
co - studying people with brain damage

Question 2

what cognitive deficits arise from brain damage

Answer 2

langage, vision , exec control, motor programming

Question 3

what is dysexecutive syndrome

Answer 3

problems with memory, planning and organisation

Question 4

what is synesthesia

Answer 4

you see words as colours

Question 5

what are group studies?

Answer 5

common diagnosis or damage in a common region

Question 6

problem with group studies

Answer 6

variability among patients in a group

Question 7

what is a dissociation

Answer 7

showing that damage to a particular brain structure disrupts on aspect of a complex mental process but not another

Question 8

example of a single dissociation

Answer 8

clive wearing - dissociation between diff types of memory

Question 9

problem with a single dissociation ?

Answer 9

2 tasks may differ in complexity - two people may differ in how good they are at it.
dissociation could be due to ability of person therefor alter results

Question 10

what is a double dissociation

Answer 10

A disrupts Z while leaving Y B disrupts Y while leaving Z

BEST EVIDENCE that areas are functionally distinguished

Question 11

How does an MRI work

Answer 11

radiowaves cause protons H+ in brain to spin… reciever then detects their spin and generates an imagine

Question 12

whats does a VBM show

Answer 12

differences in grey matter

Question 13

how does fMRI work

Answer 13

measures changes in cerebral blood flow following brain activity - active areas have LOW oxy haemoglobin and HIGH deoxy - blood flow to area which increases the ratio oxy:deoxy

Question 14

problems with fMRI

Answer 14

time resolution. noise, claustrophobia, signal indirect measure of neural activity

Question 15

How does EEG work

Answer 15

measures brain activity- scalp electrodes provide continous recording.

Question 16

when are EEGs used

Answer 16

comas, epileptics, sleep therapy, anaethesia

Question 17

2 pros to EEGs

Answer 17

inexpensive + non invaisive

Question 18

1. What is an ERP

2. 3 +ves

Answer 18

1. evoked electrical activity specifically related to sensory motor and cognitive defects 
 2.
- NON invaisive electrodes on head 
- exact timing
- low cost