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I've asked this question about dominance of brain hemispheres. in the question there are examples of drawings made by split brain patients using only one hand and eye at a time. I don't know if using both eyes while drawing produces different results, but the images suggest that the ability to process memory of objects is impaired:


Basically the same as a normal two-halved brain. Circumstances in which function is altered are fairly limited. For details, see case reports on Wikipedia's split-brain page, and this episode of Scientific American Frontiers that features Mike Gazzaniga's research, as mentioned here. Gazzaniga's research was reviewed in a Nature news feature (Wolman, 2012), ...


You say you are "aware that all tasks that a person undertakes involve both halves of the brain". Then, On what kind of patients would this hypothetical test be suitable as healthy people use both hemisphere and split brain use just one hemisphere depending on the drawing hand ? If you refer to healthy patients I don't think such a test is possible. For ...

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