Training in Morse code enhances involuntary attentional switching to acoustic frequency: Evidence from ERPs

This study examined the possibility that learning Morse code could result in cortical changes in processing of physical acoustic features, as indexed by the mismatch negativity (MMN) and P3a components of the auditory event-related potential (ERP). ERPs were recorded in 9 subjects who were learning...

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Published in:Brain research Vol. 1073; pp. 417 - 424
Main Authors: Uther, Maria, Kujala, Anu, Huotilainen, Minna, Shtyrov, Yury, Näätänen, Risto
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 16-02-2006
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Abstract This study examined the possibility that learning Morse code could result in cortical changes in processing of physical acoustic features, as indexed by the mismatch negativity (MMN) and P3a components of the auditory event-related potential (ERP). ERPs were recorded in 9 subjects who were learning Morse code. The subjects were presented with auditory stimuli at 3 different times relative to their training (before, during and after). These stimuli were presented within an auditory ‘oddball’ paradigm, with repetitive standard stimuli interspersed by one of three infrequent deviant stimuli (duration, frequency or SOA). The data showed that there was a significant increase in the P3a only for frequency deviants as a function of training, whereas the MMN response was not affected by the training. These data are interpreted in terms of an attentional switching to unfamiliar changes that participants would not expect among the signals that they would grow to anticipate while receiving Morse code.
AbstractList This study examined the possibility that learning Morse code could result in cortical changes in processing of physical acoustic features, as indexed by the mismatch negativity (MMN) and P3a components of the auditory event-related potential (ERP). ERPs were recorded in 9 subjects who were learning Morse code. The subjects were presented with auditory stimuli at 3 different times relative to their training (before, during and after). These stimuli were presented within an auditory 'oddball' paradigm, with repetitive standard stimuli interspersed by one of three infrequent deviant stimuli (duration, frequency or SOA). The data showed that there was a significant increase in the P3a only for frequency deviants as a function of training, whereas the MMN response was not affected by the training. These data are interpreted in terms of an attentional switching to unfamiliar changes that participants would not expect among the signals that they would grow to anticipate while receiving Morse code.
Author Näätänen, Risto
Huotilainen, Minna
Uther, Maria
Kujala, Anu
Shtyrov, Yury
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BackLink https://www.ncbi.nlm.nih.gov/pubmed/16460704$$D View this record in MEDLINE/PubMed
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Keywords Learning
Morse code communication
Mismatch negativity (MMN)
Plasticity
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Snippet This study examined the possibility that learning Morse code could result in cortical changes in processing of physical acoustic features, as indexed by the...
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SubjectTerms Acoustic Stimulation - methods
Adolescent
Adult
Analysis of Variance
Attention - physiology
Auditory Perception - physiology
Contingent Negative Variation
Electroencephalography - methods
Evoked Potentials, Auditory - physiology
Humans
Learning
Learning - physiology
Male
Mismatch negativity (MMN)
Morse code communication
Plasticity
Psychomotor Performance - physiology
Reaction Time - physiology
Time Factors
Title Training in Morse code enhances involuntary attentional switching to acoustic frequency: Evidence from ERPs
URI https://dx.doi.org/10.1016/j.brainres.2005.12.047
https://www.ncbi.nlm.nih.gov/pubmed/16460704
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