hemispheric lateralisation

Question 1

Rogers et al

Answer 1

studied domestic chickens. Brain lateralisation allows 2 tasks to be performed at once (finding food and avoiding predators). Suggests lateralisation improved brain efficiency.

Question 2

Nielsen et al

Answer 2

MRI scans of 1000 people revealed brain does not favour one side and networks are of equal strength. Counter for hemispheric lateralisation- suggests ideas are too simple