CONCURRENT SPEECH SEGREGATION PROBLEMS IN HEARING IMPAIRED CHILDREN

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TALEBI HOSSEIN; MOOSAVI ABDOLLAH; LOTFI YONES; FAGHIHZADEH SOGHRAT

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Journal: Archives of Rehabilitation (Journal of Rehabilitation) Year:2014 | Volume:15 | Issue:1 Page(s): 84-91

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Title

CONCURRENT SPEECH SEGREGATION PROBLEMS IN HEARING IMPAIRED CHILDREN

Author(s)

TALEBI HOSSEIN | MOOSAVI ABDOLLAH | LOTFI YONES | FAGHIHZADEH SOGHRAT | Issue Writer Certificate

Keywords

AUDITORY SCENE ANALYSIS (ASA)Q2

CONCURRENT SPEECH SEGREGATIONQ2

HEARING IMPAIRED CHILDRENQ2

Abstract

Objective: This study was a basic investigation of the ability of CONCURRENT SPEECH SEGREGATION in HEARING IMPAIRED CHILDREN. Concurrent segregation is one of the fundamental components of auditory scene analysis and plays an important role in process of speech perception. In the present study, auditory late potentials of impaired children were studied and were compared to the responses of normal groups.Materials & Methods: Auditory late potentials in response to 12 double vowels were recorded in 10 children with moderate to severe sensory neural hearing loss and 10 normal children who were selected randomly. The age range of all participants was 4-6 years old (4.95 ± 0.72 for the normal group and 5.05 ± 0.79 for the hearing impaired ones). Double vowels (pairs of synthetic vowels) were presented concurrently and binaurally. Fundamental frequency (F0) of these vowels and the size of the difference in F0 between vowels was 100 Hz and 0.5 semitones respectively. The HEARING IMPAIRED CHILDREN were selected randomly and blindly.Results: Comparing N1-P2 amplitude showed statistically significant difference in some stimuli between hearing impaired and normal children (P-value<0.05). More careful study of the results, N1-P2 amplitude- which is index of detecting vowel changes and reflecting verbal stimuli in central auditory system in absence of active participants- decreased in HEARING IMPAIRED CHILDREN.Conclusion: The present study showed CONCURRENT SPEECH SEGREGATION problems in HEARING IMPAIRED CHILDREN and provides evidence on problems in detection of speech features in a bo􀆩om-up processing (based on fundamental frequency and its differences) in the mentioned children.

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APA: Copy

TALEBI, HOSSEIN, MOOSAVI, ABDOLLAH, LOTFI, YONES, & FAGHIHZADEH, SOGHRAT. (2014). CONCURRENT SPEECH SEGREGATION PROBLEMS IN HEARING IMPAIRED CHILDREN. ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), 15(1), 84-91. SID. https://sid.ir/paper/43443/en

Vancouver: Copy

TALEBI HOSSEIN, MOOSAVI ABDOLLAH, LOTFI YONES, FAGHIHZADEH SOGHRAT. CONCURRENT SPEECH SEGREGATION PROBLEMS IN HEARING IMPAIRED CHILDREN. ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION)[Internet]. 2014;15(1):84-91. Available from: https://sid.ir/paper/43443/en

IEEE: Copy

HOSSEIN TALEBI, ABDOLLAH MOOSAVI, YONES LOTFI, and SOGHRAT FAGHIHZADEH, “CONCURRENT SPEECH SEGREGATION PROBLEMS IN HEARING IMPAIRED CHILDREN,” ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), vol. 15, no. 1, pp. 84–91, 2014, [Online]. Available: https://sid.ir/paper/43443/en

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