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  • Title: Repetitive transcranial magnetic stimulation of human MT+ reduces apparent motion perception.
    Author: Matsuyoshi D, Hirose N, Mima T, Fukuyama H, Osaka N.
    Journal: Neurosci Lett; 2007 Dec 18; 429(2-3):131-5. PubMed ID: 17997041.
    Abstract:
    We investigated the effects of repetitive transcranial magnetic stimulation (rTMS) over the human cerebral cortex on apparent motion perception. Previous studies have shown that human extrastriate visual area MT+ (V5) processes not only real but also apparent motion. However, the functional relevance of MT+ on long-range apparent motion perception remains unclear. Here, we show direct evidence for the involvement of MT+ in apparent motion perception using rTMS, which is known to temporarily inhibit a localized region in the cerebral cortex. The results showed that apparent motion perception decreased after applying rTMS over MT+, but not after applying rTMS over the control region (inferior temporal gyrus). The decrease in performance caused by applying rTMS to MT+ suggests that MT+ is a causally responsible region for apparent motion perception, and thus, further supports the idea that MT+ plays a major role in the perception of motion.
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