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

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.
Publication status:
Published

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Authors


Bishop, DV More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Neuroscience
McArthur, GM More by this author
Journal:
Brain research. Cognitive brain research
Volume:
24
Issue:
1
Pages:
177-179
Publication date:
2005-06-05
DOI:
ISSN:
0926-6410
URN:
uuid:bfe06ee3-f6b3-4250-842a-fd886ecdb36f
Source identifiers:
5855
Local pid:
pubs:5855

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