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Abstract:
Abstract: The identification of visual objects is facilitated
by implicit memory for past experiences with those objects. This
form of implicit memory relies on posterior brain regions; however,
the contribution of the left and right hemispheres to visual
implicit memory have not yet been clearly identified. In the
current study, we examined implicit memory using lexical decision,
mirror reading, picture fragment and word fragment completion tests
in patients with right occipital lobe lesions and found that they
exhibited normal visual priming effects. We also examined patients
with complete callosotomies, using standard and
divided-visual-field word fragment completion procedures, as well
as a mirror reading test, and found that the isolated left
hemisphere exhibited normal priming effects. The results indicate
that the left hemisphere can support normal levels of visual
implicit memory.
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