Delayed Auditory Feedback with Children

1980 ◽  
Vol 23 (4) ◽  
pp. 802-813 ◽  
Author(s):  
Gerald M. Siegel ◽  
Christine A. Fehst ◽  
Sharon R. Garber ◽  
Herbert L. Pick
Keyword(s):  
Delay Interval ◽  
Auditory Feedback ◽  
Developmental Pattern ◽  
Current Experiment ◽  
Older Children ◽  
Delayed Auditory Feedback ◽  
Sentence Repetition ◽  
Weak Evidence ◽  
Age Patterns ◽  
Repetition Task

There is a controversy in the literature concerning the effects of delayed auditory feedback (DAF) on the speech of subjects of varying ages, In the current experiment the subjects were five-year-olds, eight-year-olds and adult speakers who performed a sentence repetition task under: 0-delay, 250, 375, 500, and 625 msec of amplified delayed auditory feedback. All subjects performed the task under normal rate instructions and under instructions to speak as rapidly as possible. A developmental pattern emerged, with the youngest children significantly more affected by the DAF than the older children or the adults. There was only weak evidence for a critical delay interval that varied according to age of the subjects. Rate instructions had essentially no effect on the DAF or age patterns.

Delayed Auditory Feedback with Different Delay Times at Each Ear

1964 ◽  
Vol 7 (4) ◽  
pp. 369-371
Author(s):  
Samuel Fillenbaum
Keyword(s):  
Delay Interval ◽  
Auditory Feedback ◽  
Normal Subjects ◽  
Delayed Auditory Feedback ◽  
Delay Times

Binaurally asynchronous delayed auditory feedback (DAF) was compared with synchronous DAF in 80 normal subjects. Asynchronous DAF (0.10 sec difference) did not yield results different from those obtained under synchronous DAF with a 0.20 sec delay interval, an interval characteristically resulting in maximum disruptions in speech.

Perception of Auditory Feedback Delay: Subjective Estimate of Delay Magnitude

1968 ◽  
Vol 11 (4) ◽  
pp. 861-868 ◽  
Author(s):  
John H. Saxman ◽  
Theodore D. Hanley
Keyword(s):  
Delay Interval ◽  
Auditory Feedback ◽  
Delay Time ◽  
Feedback Delay ◽  
Delayed Auditory Feedback ◽  
Physical Time ◽  
Subjective Estimate ◽  
Speech Response ◽  
Female Subjects

Twenty female subjects were required to select, by the method of fractionation, the delay interval judged by them to be one-half the duration of the standard delay interval with which it was paired. The signals judged were the delay intervals between the subjects' own production of the syllable /da/ and its return via delayed auditory feedback. Ten ascending and ten descending one-half judgments were obtained for each subject at each of tie standard delay intervals of 100, 200, 400, and 800 msec. The curves for the ascending, descending, and combined ascending-descending judgments, when plotted against delay intervals in physical time, were all nearly linear with a slight positively accelerated slope. A tentative scale of subjective delay time is described and its implications for evaluating the speech response to DAF as a function of time are noted.

The Effects of Delayed Auditory Feedback on a Speech-Related Task in Stutterers

1970 ◽  
Vol 13 (2) ◽  
pp. 245-253 ◽  
Author(s):  
Rachel E. Stark ◽  
Bruce R. Pierce
Keyword(s):  
Auditory Feedback ◽  
Bone Conduction ◽  
Normal Hearing ◽  
Mechanical Device ◽  
Sensation Level ◽  
Delayed Auditory Feedback ◽  
Closure Duration ◽  
Syllable Repetition ◽  
Repetition Task ◽  
Air Conduction

Fifteen adult stutterers and 15 matched nonstutterers who presented normal hearing and normal psychiatric and neurological histories were studied. Their responses were compared on a patterned syllable-repetition task under various auditory feedback conditions. The feedback signals were clicks activated by an electro-mechanical device at the time of lip closure. They were either synchronous (SAF) or delayed (DAF) or a combination (SAF/DAF). SAF was presented by bone conduction at a 40-dB sensation level, DAF by binaural air conduction with a delay of 140 or 200 msec, at sensation levels of 0, 10, 20, and 30 dB in DAF alone and at sensation levels of 40, 50, 60, and 70 dB in the SAF/DAF combination. Performances were evaluated in terms of pattern duration, lip-closure duration, and number of pattern errors. Stutterers and nonstutterers responded similarly to the feedback conditions. The following three differences were found: (1) during SAF alone, stutterers showed greater duration of lip closure than nonstutterers; (2) there were non-systematic differences between stutterers and nonstutterers in duration of lip closure during DAF and SAF/DAF conditions; and (3) with increased intensity of DAF, stutterers showed a greater increase in number of pattern errors than nonstutterers.

Differential Sensitivity to Auditory Feedback Delay Intervals: A Preliminary Study

1968 ◽  
Vol 11 (3) ◽  
pp. 595-599 ◽  
Author(s):  
John H. Saxman
Keyword(s):  
Delay Interval ◽  
Auditory Feedback ◽  
Speech Signal ◽  
Relative Sensitivity ◽  
Differential Sensitivity ◽  
Feedback Delay ◽  
Delayed Auditory Feedback ◽  
Interval Change ◽  
Delay Times ◽  
Preliminary Study

Differential sensitivity to delay interval change (jnd) was assessed for six subjects at 12 standard delay times ranging from 30 msec to 360 msec. The speaker’s self-generated speech signal (/da/) and its return via delayed auditory feedback constituted the interval boundaries. Mean absolute jnd’s varied in magnitude from 15.45 msec to 19.66 msec and were found to be independent of the standard delay times. The relative sensitivity (ΔD/D) to delay change decreased rapidly at the shorter delay times, then leveled off to a fairly gradual slope beginning at approximately 150 msec.

The Development of Auditory Feedback Monitoring: II. Delayed Auditory Feedback Studies on the Speech of Children Between Two and Three Years of Age

1968 ◽  
Vol 11 (2) ◽  
pp. 307-315 ◽  
Author(s):  
Grace Yeni-Komshian ◽  
Richard Allen Chase ◽  
Richard L. Mobley
Keyword(s):  
Monitoring System ◽  
Auditory Feedback ◽  
Naming Task ◽  
Older Children ◽  
Delayed Auditory Feedback ◽  
Verbal Responses ◽  
Signal Presentation ◽  
Standard Object ◽  
Feedback Monitoring ◽  
Msec Delay

Two experiments were conducted to determine whether the auditory feedback monitoring system for speech is operative in children between two and three years of age. The procedure involved a 200 msec delay in the auditory feedback of the subject’s speech. Bilateral signal presentation was used for the synchronous (SAF) and delay (DAF) conditions. Phonation time scores under DAF and SAF conditions were compared. In Experiment I, 10 subjects, ages 2 years, 4 months to 2 years, 11 months, followed a standard object naming task. Speech samples obtained from a younger group of 5 subjects in Experiment II, ages 1 year, 9 months to 2 years, 2 months, consisted of all verbal responses which occurred under both DAF and SAF conditions. The results of Experiment I provide evidence that the auditory feedback monitoring system for speech is operative in this age group. The speech of the younger subjects in Experiment II was not strongly affected by the time delay in auditory feedback. The results of the present experiments, together with findings obtained in an earlier study with four- to nine-year-old subjects, suggest that older children show greater DAF effects than younger children.

Sentence Repetition: A Clinical Marker for Developmental Language Disorder in Danish

2019 ◽  
Vol 62 (12) ◽  
pp. 4450-4463
Author(s):  
Rikke Vang Christensen
Keyword(s):  
Language Disorder ◽  
Future Research ◽  
Typically Developing ◽  
Developmental Language Disorder ◽  
Older Children ◽  
Likelihood Ratios ◽  
Clinical Marker ◽  
Sentence Repetition ◽  
Good Identification ◽  
Syntactic Properties

Purpose The aim of the study was to explore the potential of performance on a Danish sentence repetition (SR) task—including specific morphological and syntactic properties—to identify difficulties in children with developmental language disorder (DLD) relative to typically developing (TD) children. Furthermore, the potential of the task as a clinical marker for Danish DLD was explored. Method SR performance of children with DLD aged 5;10–14;1 (years;months; n = 27) and TD children aged 5;3–13;4 ( n = 87) was investigated. Results Compared to TD same-age peers, children with DLD were less likely to repeat the sentences accurately but more likely to make ungrammatical errors with respect to verb inflection and use of determiners and personal pronouns. Younger children with DLD also produced more word order errors that their TD peers. Furthermore, older children with DLD performed less accurately than younger TD peers, indicating that the SR task taps into morphosyntactic areas of particular difficulty for Danish children with DLD. The classification accuracy associated with SR performance showed high levels of sensitivity and specificity (> 90%) and likelihood ratios indicating good identification potential for clinical and future research purposes. Conclusion SR performance has a strong potential for identifying children with DLD, also in Danish, and with a carefully designed SR task, performance has potential for revealing morphosyntactic difficulties. Supplemental Material https://doi.org/10.23641/asha.10314437

Effects of Sentence Structure on Sentence Elicited Imitation Responses

1978 ◽  
Vol 21 (4) ◽  
pp. 809-819 ◽  
Author(s):  
Jo Carol Hudgins ◽  
Walter L. Cullinan
Keyword(s):  
College Students ◽  
Sentence Processing ◽  
Relative Clause ◽  
Female College Students ◽  
Sentence Structure ◽  
Response Accuracy ◽  
Relative Pronoun ◽  
Elicited Imitation ◽  
Sentence Repetition ◽  
Repetition Task

This study investigates the effects of sentence structure on the number of error sentences and response latency in a sentence-repetition task. Forty female college students repeated short and long test sentences containing either a single self-embedded or right-branching subject-focus or object-focus relative clause. Sentences were also controlled for deletion of the relative pronoun of the relative clause. Sentence structure was found to affect sentence elicited imitation response accuracy and latency in a manner similar to the effects of structure on ease of comprehension. The findings are consistent with a canonical-sentoid strategy explanation of sentence processing during sentence imitation.

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