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Text
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<a href="http://doi.org/10.1111/j.1749-6632.2011.06023.x" target="_blank" rel="noreferrer noopener">http://doi.org/10.1111/j.1749-6632.2011.06023.x</a>
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Pages
142-154
Volume
1225
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Taking advantage of behavioral changes during development and training to assess sensory coding mechanisms
Publisher
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New Perspectives on Neurobehavioral Evolution
Date
A point or period of time associated with an event in the lifecycle of the resource
2011
2011
Subject
The topic of the resource
amplitude-modulation; auditory cortex; awake macaques; contrast sensitivity; cortex; development; discrimination; gerbil; mongolian; neurophysiology; perception; perceptual; primary auditory-cortex; primate prefrontal; receptive-field plasticity; sound-localization; temporal resolution; training
Creator
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Sarro E C; Rosen M J; Sanes D H
Description
An account of the resource
The relationship between behavioral and neural performance has been explored in adult animals, but rarely during the developmental period when perceptual abilities emerge. We used these naturally occurring changes in auditory perception to evaluate underlying encoding mechanisms. Performance of juvenile and adult gerbils on an amplitude modulation (AM) detection task was compared with response properties from auditory cortex of age-matched animals. When tested with an identical behavioral procedure, juveniles display poorer AM detection thresholds than adults. Two neurometric analyses indicate that the most sensitive juvenile and adult neurons have equivalent AM thresholds. However, a pooling neurometric revealed that adult cortex encodes smaller AM depths. By each measure, neural sensitivity was superior to psychometric thresholds. However, juvenile training improved adult behavioral thresholds, such that they verged on the best sensitivity of adult neurons. Thus, periods of training may allow an animal to use the encoded information already present in cortex.
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<a href="http://doi.org/10.1111/j.1749-6632.2011.06023.x" target="_blank" rel="noreferrer noopener">10.1111/j.1749-6632.2011.06023.x</a>
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The file format, physical medium, or dimensions of the resource
Book Section
2011
amplitude-modulation
auditory cortex
awake macaques
Book Section
contrast sensitivity
cortex
development
Discrimination
gerbil
mongolian
Neurophysiology
New Perspectives on Neurobehavioral Evolution
Perception
perceptual
primary auditory-cortex
primate prefrontal
receptive-field plasticity
Rosen M J
Sanes D H
Sarro E C
sound-localization
temporal resolution
Training
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1007/s10162-020-00756-1" target="_blank" rel="noreferrer noopener">http://doi.org/10.1007/s10162-020-00756-1</a>
Search for Full-text
Locate full-text within NEOMED Library's e-journal collections
<a href="http://neomed.idm.oclc.org/login?url=http://doi.org/10.1007/s10162-020-00756-1" target="_blank" rel="noreferrer noopener">NEOMED Full-text Holding (if available) - Proxy DOI: 10.1007/s10162-020-00756-1</a>
<p>Users with a NEOMED Library login can search for full-text journal articles at the following url: <a href="https://libraryguides.neomed.edu/home">https://libraryguides.neomed.edu/home</a></p>
Update Year & Number
July 2020 List
NEOMED College
NEOMED College of Medicine
NEOMED College of Medicine Student
NEOMED Department
Department of Anatomy & Neurobiology
NEOMED Student Publications
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Effects of gap position on perceptual gap detection across late childhood and adolescence.
Publisher
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Journal of the Association for Research in Otolaryngology
Date
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2020
2020-06
Subject
The topic of the resource
children; human; age; development; primary auditory-cortex; acoustic startle; brain-stem response; maturation; temporal resolution; gap onset; temporal processing; frequency discrimination; informational masking; selective attention
Creator
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Gay JD; Rosen MJ; Huyck JJ
Description
An account of the resource
The ability to detect a silent gap within a sound is critical for accurate speech perception, and gap detection has been shown to have an extended developmental trajectory. In certain conditions, the detectability of the gap decreases as the gap is placed closer to the beginning of the signal. Early in development, the detection of gaps shortly after signal onset may be especially difficult due to immaturities in the encoding and perception of rapidly changing sounds. The present study explored the development of gap detection from age 8 to 19 years, specifically when the temporal placement of the gap varied. Performance improved with age for all temporal placements of the gap, demonstrating a gradual maturation of gap detection abilities throughout adolescence. Younger adolescents did not benefit from increasing gap onset times, while older adolescents' thresholds gradually improved as gap onset time lengthened. Regardless of age, listeners learned between the two testing days but did not improve within days. Younger adolescents had poorer thresholds for the last block of testing on the second day, returning to baseline performance despite learning between days. These data support earlier studies showing that gaps are harder to detect near stimulus onset and confirm that gap detection abilities continue to mature into adolescence. The data also suggest that younger adolescents do not receive the same benefit of increasing gap onset time and respond differently to repeated testing than older adolescents and young adults.
Identifier
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<a href="http://doi.org/10.1007/s10162-020-00756-1" target="_blank" rel="noreferrer noopener">10.1007/s10162-020-00756-1</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
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journalArticle
2020
acoustic startle
Age
brain-stem response
Children
Department of Anatomy & Neurobiology
development
frequency discrimination
gap onset
Gay JD
Human
Huyck JJ
informational masking
Journal of the Association for Research in Otolaryngology
journalArticle
July 2020 List
maturation
NEOMED College of Medicine
NEOMED College of Medicine Student
NEOMED Student Publications
primary auditory-cortex
Rosen MJ
selective attention
temporal processing
temporal resolution