Tags

Type your tag names separated by a space and hit enter

Feature processing during high-rate auditory selective attention.
Percept Psychophys. 1993 Apr; 53(4):391-402.PP

Abstract

Auditory event-related brain potentials (ERPs) and reaction times were analyzed in a selective attention task in which subjects attended to tone pips presented at high rates (interstimulus intervals [ISIs] of 40-200 msec). Subjects responded to infrequent target tones of a specified frequency (250 or 4000 Hz) and location (left or right ear) that were louder than otherwise identical tones presented randomly to the left and right ears. Negative difference (Nd) waves were isolated by subtracting ERPs to tones with no target features from ERPs to the same tones when they shared target location, frequency, or both frequency and location cues. Nd waves began 60-70 msec after tone onset and lasted until 250-350 msec after tone onset, even for tones with single attended cues. The duration of Nd waves exceeded the ISIs between successive tones, implying that several stimuli underwent concurrent analysis. Nd waves associated with frequency processing had scalp distributions different from those associated with location processing, implying that the features were analyzed in distinct cortical areas. Nd waves specific to auditory feature conjunction were isolated. These began at latencies of 110-120 msec, some 30-40 msec after the Nds to single features. The relative timing of the different Nd waves suggests that auditory feature conjunction begins after a brief parallel analysis of individual features but before feature analysis is complete.

Authors+Show Affiliations

University of California, Davis.No affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

8483703

Citation

Woods, D L., and C Alain. "Feature Processing During High-rate Auditory Selective Attention." Perception & Psychophysics, vol. 53, no. 4, 1993, pp. 391-402.
Woods DL, Alain C. Feature processing during high-rate auditory selective attention. Percept Psychophys. 1993;53(4):391-402.
Woods, D. L., & Alain, C. (1993). Feature processing during high-rate auditory selective attention. Perception & Psychophysics, 53(4), 391-402.
Woods DL, Alain C. Feature Processing During High-rate Auditory Selective Attention. Percept Psychophys. 1993;53(4):391-402. PubMed PMID: 8483703.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Feature processing during high-rate auditory selective attention. AU - Woods,D L, AU - Alain,C, PY - 1993/4/1/pubmed PY - 1993/4/1/medline PY - 1993/4/1/entrez SP - 391 EP - 402 JF - Perception & psychophysics JO - Percept Psychophys VL - 53 IS - 4 N2 - Auditory event-related brain potentials (ERPs) and reaction times were analyzed in a selective attention task in which subjects attended to tone pips presented at high rates (interstimulus intervals [ISIs] of 40-200 msec). Subjects responded to infrequent target tones of a specified frequency (250 or 4000 Hz) and location (left or right ear) that were louder than otherwise identical tones presented randomly to the left and right ears. Negative difference (Nd) waves were isolated by subtracting ERPs to tones with no target features from ERPs to the same tones when they shared target location, frequency, or both frequency and location cues. Nd waves began 60-70 msec after tone onset and lasted until 250-350 msec after tone onset, even for tones with single attended cues. The duration of Nd waves exceeded the ISIs between successive tones, implying that several stimuli underwent concurrent analysis. Nd waves associated with frequency processing had scalp distributions different from those associated with location processing, implying that the features were analyzed in distinct cortical areas. Nd waves specific to auditory feature conjunction were isolated. These began at latencies of 110-120 msec, some 30-40 msec after the Nds to single features. The relative timing of the different Nd waves suggests that auditory feature conjunction begins after a brief parallel analysis of individual features but before feature analysis is complete. SN - 0031-5117 UR - https://www.unboundmedicine.com/medline/citation/8483703/Feature_processing_during_high_rate_auditory_selective_attention_ DB - PRIME DP - Unbound Medicine ER -