Hemispheric Lateralisation - Split Brain

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Last updated: November 7, 2023

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First submitted	October 21, 2023
Times taken	5
Average score	25.0%
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Hint	Answer
contralateral	each hemisphere controls the opposite side of the body
left hemisphere	right hand right visual field
right hemisphere	left hand left visual field
lateralisation	each side is functionally different and have specialist functions
left hemisphere	language
right hemisphere	visual motor tasks
corpus callosum	made up of nerve fibres and allows the hemispheres to communicate
research	sperry and gazzaniga 1968
Aim	to examine the extent to which the two hemispheres are specialised to certain functions
participants	11 who had undergone corpus callosotomy as treatment for severe epilepsy
	information is not transferred
experiment	quasi

Hint	Answer
split brain procedure	gaze at fixation point on an upright screen
	words are projected either side
	one word for 0.1 seconds
why they can say it	right visual field goes to left hemisphere
	left visual field draw with left hand then recognise object with right visual field
findings	describe what they see and drawing tasks
evaluation	turk et al 2002
	patient JW developed the capacity to speak in the right hemisphere
	szaflarki et al 2006
	lateralisation changes with age
	lacks mundane realism
	population validity