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Predicting Perceptual Switches Using SSVEP and Pupillometry
Fumiaki SATO Yuta SUZUKI Shigeki NAKAUCHI Tetsuto MINAMI
D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2018/03/01
Online ISSN: 1881-0225
Type of Manuscript: Special Section PAPER (Special Section on Student Research)
perceptual switching, SSVEP, pupillometry, RDK-stimuli, attention,
Full Text(in Japanese): PDF(1.5MB)
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Perceptual switching is a phenomena that the subjective appearance of multistable stimuli can switch spontaneously during prolonged viewing. This study addresses to extract the dynamical processes in our brain during the perceptual switching to a rotating sphere stimulus. The rotating sphere includes two types of dots moving leftwards and rightwards flickering at a different frequency, which induced the apparent motion direction spontaneously switches. The EEG signals recorded during the perceptual switching showed a significant difference in the SSVEP amplitude in the primary visual cortex between before and after the change of the motion perception.