Pure-tone auditory stream segregation and speech perception in noise in cochlear implant recipients

2006 ◽  
Vol 120 (1) ◽  
pp. 360-374 ◽  
Author(s):  
Robert S. Hong ◽  
Christopher W. Turner
Keyword(s):  
Speech Perception ◽  
Cochlear Implant ◽  
Pure Tone ◽  
Stream Segregation ◽  
Speech Perception In Noise ◽  
Auditory Stream ◽  
Auditory Stream Segregation

The Relationship Between Tinnitus Pitch, Audiogram Edge Frequency, and Auditory Stream Segregation Abilities in Individuals With Tinnitus

2021 ◽  
pp. 1-11
Author(s):  
Saransh Jain ◽  
Riya Cherian ◽  
Nuggehalli P. Nataraja ◽  
Vijay Kumar Narne
Keyword(s):  
Hearing Loss ◽  
Speech Perception ◽  
Pure Tone ◽  
Stream Segregation ◽  
Fusion Boundary ◽  
Speech Perception In Noise ◽  
Auditory Stream ◽  
Auditory Stream Segregation ◽  
Cochlear Hearing Loss ◽  
The Relationship

Purpose Around 80%–93% of the individuals with tinnitus have hearing loss. Researchers have found that tinnitus pitch was related to the frequencies of hearing loss, but unclear about the relationship between tinnitus pitch and audiometry edge frequency. The comorbidity of tinnitus and speech perception in noise problems had also been reported, but the relationship between tinnitus pitch and speech perception in noise had seldom been investigated. This study was designed to estimate the relationship between tinnitus pitch, audiogram edge frequency, and speech perception in noise. The speech perception in noise was measured using auditory stream segregation paradigm. Method Thirteen individuals with bilateral mild-to-severe tonal tinnitus and minimal-to-mild cochlear hearing loss were selected. Thirteen individuals with hearing loss without tinnitus were also selected. The audiogram of each participant with tinnitus was matched with that of the participant without tinnitus. Tinnitus pitch of the participants with tinnitus was measured and compared with audiogram edge frequency. The stream segregation thresholds were calculated at the participants' admitted tinnitus pitch and one octave below the tinnitus pitch. The stream segregation thresholds were estimated at fission and fusion boundary using pure-tone stimuli in ABA paradigm. Results High correlation between tinnitus pitch and audiogram edge frequency was noted. Overall stream segregation thresholds were higher for individuals with tinnitus. Higher thresholds indicated poorer stream segregation abilities. Within tinnitus participants, the thresholds were significantly lesser at frequency corresponding to admitted tinnitus pitch than at one octave below the tinnitus pitch. Conclusions The information from this study may be helpful in educating the patients about the relationship between hearing loss and tinnitus. The findings may also account for speech-perception-in-noise difficulties often reported by the individuals with tinnitus.

scholarly journals Bone-anchored hearing system, contralateral routing of signals hearing aid or cochlear implant: what is best in single-sided deafness?

2021 ◽  
Author(s):  
Till F. Jakob ◽  
Iva Speck ◽  
Ann-Kathrin Rauch ◽  
Frederike Hassepass ◽  
Manuel C. Ketterer ◽  
...  
Keyword(s):  
Speech Perception ◽  
Cochlear Implant ◽  
Hearing Aids ◽  
Long Term Results ◽  
Speech Perception In Noise ◽  
Sound Localisation ◽  
Therapy Option ◽  
Single Sided Deafness ◽  
Objective Hearing Tests

Abstract Purpose The aim of the study was to compare long-term results after 1 year in patients with single-sided deafness (SSD) who were fitted with different hearing aids. The participants tested contralateral routing of signals (CROS) hearing aids and bone-anchored hearing systems (BAHS). They were also informed about the possibility of a cochlear implant (CI) and chose one of the three devices. We also investigated which factors influenced the choice of device. Methods Prospective study with 89 SSD participants who were divided into three groups by choosing BAHS, CROS, or CI. All participants received test batteries with both objective hearing tests (speech perception in noise and sound localisation) and subjective questionnaires. Results 16 participants opted for BAHS-, 13 for CROS- and 30 for CI-treatment. The greater the subjective impairment caused by SSD, the more likely patients were to opt for surgical treatment (BAHS or CI). The best results in terms of speech perception in noise (especially when sound reaches the deaf ear and noise the hearing ear), sound localization, and subjective results were achieved with CI. Conclusion The best results regarding the therapy of SSD are achieved with a CI, followed by BAHS. This was evident both in objective tests and in the subjective questionnaires. Nevertheless, an individual decision is required in each case as to which SSD therapy option is best for the patient. Above all, the patient's subjective impairment and expectations should be included in the decision-making process.

Primary Auditory Stream Segregation of Repeated Word Sequences

1976 ◽  
Vol 42 (3_suppl) ◽  
pp. 1071-1074 ◽  
Author(s):  
Betty Tuller ◽  
James R. Lackner
Keyword(s):  
Spatial Separation ◽  
Repeated Sequences ◽  
Stream Segregation ◽  
Natural Speech ◽  
Auditory Stream ◽  
Auditory Stream Segregation ◽  
Repeated Word ◽  
Auditory Sequence ◽  
Constituent Order

Primary auditory stream segregation, the perceptual segregation of acoustically related elements within a continuous auditory sequence into distinct spatial streams, prevents subjects from resolving the relative constituent order of repeated sequences of tones (Bregman & Campbell, 1971) or repeated sequences of consonant and vowel sounds (Lackner & Goldstein, 1974). To determine why primary auditory stream segregation does not interfere with the resolution of natural speech, 8 subjects were required to indicate the degree of stream segregation undergone by 24 repeated sequences of English monosyllables which varied in terms of the degrees of syntactic and intonational structure present. All sequences underwent primary auditory stream segregation to some extent but the amount of apparent spatial separation was less when syntactic and intonational structure was present.

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