NESC 3227 Lecture Notes - Null Hypothesis, Spatial Ability, Mental Rotation
17 Apr 2013
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Research on people having this procedure done will help in determining in which hemisphere is language dominant. In this experiment, images are shown only for a very brief amount of time, that way the image only ends up in one hemisphere or the other. So in experiment with subject who has undergone commissurotomy. If spoon presented in right hemisphere, subject says i see spoon: but if presented in left hemisphere, they say i see nothing. However if asked to pick what they saw by feel only, they will pick the spoon. Compare utility of dichotic listening, fmri and wada in a clinical setting. If you"re too fat, have metal fragments in your body, can"t have mri, so wada beneficial in that sense. On the behavioural level, dissociation of function denotes the finding that performance on one task is impaired while performance on a second is not.
