Lateralisation and split-brain STUDIES

Question 1

Sprerry and Gazzaniga 1967

Answer 1

Split brain patients who were not able to carry out tasks with different hemispheres, i.e. if a word is flashed to the LVF (right hemisphere) they were not able to repeat the word but they were able to draw it. This supports the idea that brains are lateralised.

Question 2

Rogers et al 2004

Answer 2

Found that lateralisation in chickens helped them survive - foraging for food whilst escaping predators. Evolutionary implications of lateralisation - required for survival.

Question 3

Turk 2002

Answer 3

J.W. a split-brain patient was able to speak out of his right visual field as well as his left visual field. Contradicts