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Université de Fribourg

Auditory perceptual decision-making based on semantic categorization of environmental sounds

Lucia, Marzia De ; Tzovara, Athina ; Bernasconi, Fosco ; Spierer, Lucas ; Murray, Micah M.

In: NeuroImage, 2012, vol. 60, no. 3, p. 1704–1715

Discriminating complex sounds relies on multiple stages of differential brain activity. The specific roles of these stages and their links to perception were the focus of the present study. We presented 250 ms duration sounds of living and man-made objects while recording 160-channel electroencephalography (EEG). Subjects categorized each sound as that of a living, man-made or unknown item. We...