Biospychology studies

Question 1

Broca

Answer 1

damage to an area in the left frontal lobe where patients couldn’t produce language but could follow instructions. Used post mortems

Question 2

Wernicke

Answer 2

Damage to area in left temporal lobe which resulted in not being able to understand language. Used post mortems

Question 3

Peterson et al

Answer 3

used brain scans to support localisation to demonstrate how wernicke’s area was active when listening to language and brocas was active when producing language

Question 4

lashley

Answer 4

learning to complex to be localised - rats ability to learn a maze decreased regardless of what area of the cortex was removed

Question 5

Maguire et Al

Answer 5

compared brains of London taxi drivers with that of bus drivers
taxi drivers had a lot more grey matter in posterior hippocampus due to the learning experience of the London streets than bus drivers who had a set route

Question 6

Draganski

Answer 6

imaged brains of medical students 3 months before and 3 months after final exams changes in prosteria hippocampus due to learning

Question 7

Gage

Answer 7

After injury was said not to be repsobibke or stick to plans after damage to prefrontal cortex but then got a job that required responsibility

Question 8

jody

Answer 8

had no right hemisphere be user she was young the brain was able to see drastic placisity

Question 9

Gabby Giffords

Answer 9

shot in the head but after a few months Cound walk and speak in shirt phrases - down to her being well educated

Question 10

seitz

Answer 10

brain scans showed that those who have damage to motor area in one hemisphere show metabolic changes in corresponding motor area in other hemisphere.

Question 11

Teuber

Answer 11

of soldiers under the age of 20: 60% made significant improvements
of soildiers over the age of 26: 20% made findings recovery

Question 12

Schneider

Answer 12

victims of road accidents or falls
graduates: 39% made a full recovery
drop outs: 10%made a full recovery

Question 13

Siffre

Answer 13

Cave study:

suggested the average sleep cycle to be around 25 hours

Question 14

Czeisler length

Answer 14

found larger variation in free running cycles from around 13 to 65 hours in review ofprevious research
but he found it to be closer to 24.18 hours

Question 15

czeisler

Answer 15

found you could alter the length of the Sherri cycle from 22-28 hours

Question 16

Aschoff and Wever

Answer 16

bunker studies with ppts with artificial light sleep cycle around 25 hours

Question 17

McClintock

Answer 17

samples of pheromones from different stages of their menstral cycle from cotton pads on their armpits (worn for 8 hours)
on the first day rubbed a load from the start of the cycle and then went on like this
68%of women experienced changes to their cycle

Question 18

DeCoursey

Answer 18

destroyed SCN connections in 30 chipmunks who were observed fur 80 days when they were returned to the wild.
significant proportion killed probably because they were awake and vulnerable to attack

Question 19

Ralph et al

Answer 19

bred hamsters with a 20 hour sleep cycle when the SCN of the bred hamsters was transplanted into a group of normal hamsters their sleep cycle defaulted to 20 hours.