Hemispheric Lateralisation A03

Question 1

Support - methodology controlled

Answer 1

Highly specialised and standardised procedures
Asked one at a time
One eye blindfolded so no extraneous variables effecting results
Image flashed at high speed sp no time to move eye across ans spread in for to both sides of visual fields
Well controlled procedure

Question 2

Research support (fink et al)

Answer 2

Fink et al
Used pet scans during visual processing tasks, global elements (forests) dominated RH
Fine details such as individual tress - dominated LH
Supports idea that LH is analyzer and RH is synthesiser

Question 3

Lim - Nielsen et al

Answer 3

Found no evidence from 1000 brain scans aged 7-29 years that there was a dominant side that could create a different personality
Refutes idea of LH and rh being diff

Question 4

Lim

Answer 4

Issues with gen
Sample of 11 people in sg study - they all had a history of epileptic seizures which may have caused unique changes in the brain that have influenced the findings
Some participant may have experiences more disconnection of hemispheres due to procedure