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Selective attention increases the temporal precision of the auditory N-100 event-related potential

Selective attention increases the temporal precision of the auditory N-100 event-related potential
Selective attention increases the temporal precision of the auditory N-100 event-related potential
Selective attention increases the amplitude of the averaged N-100 event-related potential (ERP). This increase may result from more neurons responding to the stimulus or from the same number of neurons better synchronised with the stimulus, or both. We investigated the synchronization mechanism using a new response latency jitter measurement algorithm that performed well for all the signal-to-noise ratios obtained in the experiment. We found that the significantly increased N100 amplitude is accounted for by a significantly decreased latency jitter variance for the attended stimuli.
synchronization, dynamics, latency jitter, adults, auditory, cat visual-cortex, increases, oscillations, selective attention, neurons, single trial, neural dynamics, responses, children, correlation, neuron, number, modulation, adaptive filter, hearing
0378-5955
73-79
Thornton, A.R.D.
c521ce20-d056-4748-af28-e2293f3593d0
Harmer, M.
32cbc042-1880-48b1-9083-adffc0587e8b
Lavoie, B.A.
8acd6a26-0768-41c6-874b-27c226764692
Thornton, A.R.D.
c521ce20-d056-4748-af28-e2293f3593d0
Harmer, M.
32cbc042-1880-48b1-9083-adffc0587e8b
Lavoie, B.A.
8acd6a26-0768-41c6-874b-27c226764692

Thornton, A.R.D., Harmer, M. and Lavoie, B.A. (2007) Selective attention increases the temporal precision of the auditory N-100 event-related potential. Hearing Research, 230 (1-2), 73-79. (doi:10.1016/j.heares.2007.04.004).

Record type: Article

Abstract

Selective attention increases the amplitude of the averaged N-100 event-related potential (ERP). This increase may result from more neurons responding to the stimulus or from the same number of neurons better synchronised with the stimulus, or both. We investigated the synchronization mechanism using a new response latency jitter measurement algorithm that performed well for all the signal-to-noise ratios obtained in the experiment. We found that the significantly increased N100 amplitude is accounted for by a significantly decreased latency jitter variance for the attended stimuli.

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More information

Published date: 2007
Keywords: synchronization, dynamics, latency jitter, adults, auditory, cat visual-cortex, increases, oscillations, selective attention, neurons, single trial, neural dynamics, responses, children, correlation, neuron, number, modulation, adaptive filter, hearing

Identifiers

Local EPrints ID: 62620
URI: http://eprints.soton.ac.uk/id/eprint/62620
ISSN: 0378-5955
PURE UUID: aa9a9077-ac15-48c1-8c1c-59d3e01f15f9

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Date deposited: 08 Sep 2008
Last modified: 15 Mar 2024 11:31

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Contributors

Author: A.R.D. Thornton
Author: M. Harmer
Author: B.A. Lavoie

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