Electrophysiological evidence implicates automatic low-level feature detectors in perceptual asymmetry

D. V M Bishop; J. O'Reilly; G. M. McArthur

doi:10.1016/j.cogbrainres.2004.12.007

Electrophysiological evidence implicates automatic low-level feature detectors in perceptual asymmetry

D. V M Bishop, J. O'Reilly, G. M. McArthur

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Perceptual asymmetry has been demonstrated behaviorally using frequency modulated (FM) stimuli: a modulated tone is easier to detect among unmodulated distracters than the converse. We demonstrate perceptual asymmetry for FM tones in the mismatch negativity (MMN) component of the event-related potential, regardless of whether the participant attends to the tones. These results suggest that perceptual asymmetry reflects the automatic activation of low-level feature detectors in the auditory system.

Original language	English
Pages (from-to)	177-179
Number of pages	3
Journal	Cognitive Brain Research
Volume	24
Issue number	1
DOIs	https://doi.org/10.1016/j.cogbrainres.2004.12.007
Publication status	Published - Jun 2005
Externally published	Yes

Keywords

Attention
Auditory feature detection
Mismatch negativity

Access to Document

10.1016/j.cogbrainres.2004.12.007

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