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Tytuł:
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Acoustically Controlled Binaural Auditory Training with Vocal Duets: Assessment and Effectiveness.
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Autorzy:
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Picinini TA; Programa de Pos-Graduacao em Disturbios da Comunicacao Humana, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR.
Sperança S; Programa de Pos-Graduacao em Disturbios da Comunicacao Humana, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR.
Pereira LD; Departamento de Fonoaudiologia, Escola Paulista de Medicina, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR.
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Źródło:
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Clinics (Sao Paulo, Brazil) [Clinics (Sao Paulo)] 2021 Mar 24; Vol. 76, pp. e2085. Date of Electronic Publication: 2021 Mar 24 (Print Publication: 2021).
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't
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Język:
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English
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Imprint Name(s):
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Publication: 2022- : [New York] : Elsevier
Original Publication: São Paulo, SP : Hospital das Clínicas, Faculty of Medicine, University of São Paulo, [2005]-
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MeSH Terms:
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Auditory Perceptual Disorders*
Evoked Potentials, Auditory*
Acoustic Stimulation ; Adult ; Evoked Potentials, Auditory, Brain Stem ; Humans ; Noise ; Prospective Studies ; Speech
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References:
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Entry Date(s):
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Date Created: 20210331 Date Completed: 20210426 Latest Revision: 20220629
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Update Code:
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20240104
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PubMed Central ID:
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PMC7955147
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DOI:
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10.6061/clinics/2021/e2085
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PMID:
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33787671
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Objectives: We aimed to evaluate the effectiveness of a binaural auditory training program with vocal duets by comparing skills through outcomes from behavioral and electrophysiological assessment instruments at three moments: before the intervention, moment one (M1); immediately after training, moment two (M2); and 3 months after, moment three (M3).
Methods: This interventional, longitudinal, prospective, and uncontrolled study was approved by our Research Ethics Committee. Binaural auditory training with vocal duets (ATVD) was applied in 10 adults with normal audiometric thresholds and auditory processing disorders. ATVD used four different vocals of a public domain song sung in a cappella as stimuli. Participants were asked to register any perceived difference in frequency for each syllable of the song during 30-minute sessions twice a week. The number of sessions required ranged from 12 (6 hours) to 20 (10 hours).
Results: Regarding behavioral tests, the dichotic consonant-vowel test showed significant evidence of an improved advantage in the left ear (LE) in the non-forced condition and a significant reduction in the number of errors at M2 and M3 in the forced left condition. The speech-in-noise test and frequency pattern test showed a significant reduction in impaired results at M2 and M3. Electrophysiological results showed a significant increase in the LE amplitude in the P3 long-latency auditory evoked potentials test, as well as a decrease in the auditory brainstem response test (III-V and I-V inter-peak latencies in the right ear and wave I and I-III inter-peak latencies in LE).
Conclusion: The effectiveness of ATVD was evidenced, and the results were maintained after 3 months.
