Sperry
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- The aim was to investigate the effects of this de-connection and show that each hemisphere has different functions.
- Sperry had 11 participants all of which had their brain split prior to the study. Therefore it was an oppertunity sample. All subjects had history of sever epilepsy which had not responded to any drug therapy.
- The equipment used allowed for various types of sensory information to be presented to one or other hemisphere, in different combinations.
- -Presenting visual information. The participant, with one eye covered, centred his gaze on a fixed point on the centre of an upright translucent screen. Visual stimuli on 35-millimetre transparencies were arranged in a standard projector and where back-projected 1/10 of a second or less- too fast for eye movements to gather information into the wrong visual field.
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