Left Brain/Right Brain

will be on how the hemispheres differ functionally to affect psychology. A number of studies will be summarized.

Study of patients with damage to only one brain hemisphere is used to deduce how the right brain and left brain are different-iated. Robertson and Delis (1986) note that patients with damage to the left brain have more difficulty in visuospatial part-whole processing than do patients with damage to the right brain. Control patients are intermediate between patients with left brain damage and patients with right brain damage on tests where two elements are aligned along different axes of an equilateral triangle and subjects are asked to report which direction the triangle pointed when observation was made (Robertson and Delis, 1986).

Gainotti et al. (1986) used an Overlapping Figures test (to focus attention on small complex stimuli falling in the central parts of visual field) and a Searching for Animals test (to study

exploration of extra-personal space) with 38 controls, 90 right brain-damaged and 82 left brain-damaged patients. The hypothesis that extent of space to be explored has different influences depending upon unilateral spatial neglect was tested, and it wa

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Approximate Word count = 1147
Approximate Pages = 5 (250 words per page)