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A Latent Consolidation Phase in Auditory Identification Learning: Time in the Awake State Is Sufficient

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Title: A Latent Consolidation Phase in Auditory Identification Learning: Time in the Awake State Is Sufficient
Language: English
Authors: Roth, Daphne Ari-Even, Kishon-Rabin, Liat, Hildesheimer, Minka
Source: Learning & Memory. Mar 2005 12(2):159-164.
Availability: Cold Spring Harbor Laboratory Press. 500 Sunnyside Boulevard, Woodbury, NY 11797-2924. Tel: 800-843-4388; 516-367-8800; Fax: 516-422-4097; e-mail: cshpres@cshl.edu; Web site: http://www.learnmem.org/
Peer Reviewed: Y
Physical Description: PDF
Page Count: 6
Publication Date: 2005
Document Type: Journal Articles
Reports - Research
Descriptors: Young Adults, Verbal Learning, Neurolinguistics, Sensory Training, Perceptual Development, Sleep, Memory, Short Term Memory, Perceptual Motor Learning, Achievement Gains, Phonemes
ISSN: 1072-0502
Abstract: Large gains in performance, evolving hours after practice has terminated, were reported in a number of visual and some motor learning tasks, as well as recently in an auditory nonverbal discrimination task. It was proposed that these gains reflect a latent phase of experience-triggered memory consolidation in human skill learning. It is not clear, however, whether and when delayed gains in performance evolve following training in an auditory verbal identification task. Here we show that normal-hearing young adults trained to identify consonant-vowel stimuli in increasing levels of background noise showed significant, robust, delayed gains in performance that became effective not earlier than 4 h post-training, with most participants improving at more than 6 h post-training. These gains were retained for over 6 mo. Moreover, although it has been recently argued that time including sleep, rather than time per se, is necessary for the evolution of delayed gains in human perceptual learning, our results show that 12 h post-training in the waking state were as effective as 12 h, including no less than 6 h night's sleep. Altogether, the results indicate, for the first time, the existence of a latent, hours-long, consolidation phase in a human auditory verbal learning task, which occurs even during the awake state. (Contains 4 figures.)
Abstractor: Author
Number of References: 43
Entry Date: 2007
Access URL: https://www.learnmem.org/content/vol12/issue2/
Accession Number: EJ768072
Database: ERIC
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  Data: Cold Spring Harbor Laboratory Press. 500 Sunnyside Boulevard, Woodbury, NY 11797-2924. Tel: 800-843-4388; 516-367-8800; Fax: 516-422-4097; e-mail: cshpres@cshl.edu; Web site: http://www.learnmem.org/
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  Data: Large gains in performance, evolving hours after practice has terminated, were reported in a number of visual and some motor learning tasks, as well as recently in an auditory nonverbal discrimination task. It was proposed that these gains reflect a latent phase of experience-triggered memory consolidation in human skill learning. It is not clear, however, whether and when delayed gains in performance evolve following training in an auditory verbal identification task. Here we show that normal-hearing young adults trained to identify consonant-vowel stimuli in increasing levels of background noise showed significant, robust, delayed gains in performance that became effective not earlier than 4 h post-training, with most participants improving at more than 6 h post-training. These gains were retained for over 6 mo. Moreover, although it has been recently argued that time including sleep, rather than time per se, is necessary for the evolution of delayed gains in human perceptual learning, our results show that 12 h post-training in the waking state were as effective as 12 h, including no less than 6 h night's sleep. Altogether, the results indicate, for the first time, the existence of a latent, hours-long, consolidation phase in a human auditory verbal learning task, which occurs even during the awake state. (Contains 4 figures.)
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      – SubjectFull: Young Adults
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      – SubjectFull: Neurolinguistics
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      – SubjectFull: Phonemes
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      – TitleFull: A Latent Consolidation Phase in Auditory Identification Learning: Time in the Awake State Is Sufficient
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