Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"speech-in-noise"”.
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Selective auditory attention and speech-in-noise perception in English second language learners
… Background: Selective auditory attention and speech-in-noise perception are key skills required by school-aged children for the development of academic skills that will ensure overall learning success in a school context. These skills are indispensable for English second language (ESL) …
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Behavioural and Neuroimaging Studies of the Influence of Semantic Context on the Perception of Speech in Noise
Meaningful semantic context has been shown to improve comprehension of spoken sentences by young and old adults, especially in difficult listening conditions. Whether older adults benefit differently than younger adults is a topic of some controversy. I asked young (14 participants, 18-25) and …
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Investigating the relationship between cognitive control and speech-in-noise recognition in tinnitus from perceptual, neuroanatomical, and electrophysiological aspects
Purpose: Individuals with tinnitus commonly report difficulties understanding speech in adverse listening environments. Although such speech-in-noise (SiN) difficulties are believed to relate to deficits in cognitive control, there is as yet no evidence to underpin this assumption. The aim of this …
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Neural speech tracking in quiet and noisy listening environments using naturalistic stimuli
In noisy situations, speech may be masked with conflicting acoustics, including background noise from the environment or other competing talkers. The process of listening to one stream of sounds while ignoring background noise is referred to as the “cocktail party problem,” but its physiological …
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Temporal resolution and speech perception in noise of adults with and without HIV with normal audiometric results
… Immunodeficiency Virus (HIV) epidemic is now in its third decade and it is growing to be one of the greatest health challenges the world has to face. At the end of 2018, the UNAIDS estimated that there were about 37.9 million people globally infected with HIV and AIDS. It was also estimated in …
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Otoacoustic emission (OAE)-based measurement of the functioning of the human cochlea and the efferent auditory system
… emissions (OAE) has advanced our understanding of cochlear mechanics and the efferent auditory system. OAE are sounds generated within<br/>normal cochlea either spontaneously or in response to stimulation. The ability to measure OAE non-invasively, objectively and quickly makes a powerful …
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Cochlear Implantation as a Treatment Option for Adults with Post-lingual Single Sided Deafness: A Systematic Review of the Literature
<p>Adults with post lingual single sided deafness experience a myriad of issues as a result of their condition. Speech perception in noise and localization are well documented as being compromised in this population due to the loss of binaural auditory input. Cochlear implantation was introduced in …
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Comparisons of unilateral and bilateral cochlear implantation for children: spatial listening skills and quality of life
Recently, controversy in the care of severely-profoundly deaf children has centred on whether they should be provided with bilateral cochlear implants (two implants, one in each ear) rather than a unilateral cochlear implant (one implant in one ear). Potentially, implanting both ears rather than …
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Noise reduction schemes for digital hearing aids and their use for the hearing impaired
… methods and the available algorithms for noise reduction in hearing aids. A speech pause detection algorithm is proposed which maintains a low false-alarm rate over a wide range of signal-to-noise ratios. This facilitates its application for noise estimation in noise reduction algorithms. …
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The Effects of Selective Serotonin Reuptake Inhibitors (SSRI) on Auditory Measures in Women
This study examined the relationship between selective serotonin reuptake inhibitor (SSRI) medication and auditory measures in clinically depressed women. Experimental subjects were tested in both a medicated and unmedicated condition. Experimental subjects were compared to a normal control group; …
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Music, Language, and Rhythmic Timing
… oscillations synchronize with rhythmic events in both speech (Luo & Poeppel, 2007) and music (Snyder & Large, 2005). This synchronization decreases perceptual thresholds to temporally predictable events (Lawrance et al., 2014), improves task performance (Ellis & Jones, 2010), and enables speech …
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Emotion in Speech: Recognition by Younger and Older Adults and Effects on Intelligibility
Spoken language conveys two forms of information: transactional (content, what is said) and interactional (how it is said). The transactional message shared during spoken communication has been studied extensively in different listening conditions and in people of all ages using standardized tests …
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Sensory and cognitive contributions to speech perception in background noise in young adults
In the present study, speech perception in background noise was investigated by asking participants to perform listening tasks in two target speech contexts. Each target speech context was presented in four listening environments. External factors within each listening environment were manipulated, …
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The Relationship Between Phonological Short-Term Memory (pSTM) and Categorical Perception of Speech
In real-world listening situations, the speech signal is often perceptually ambiguous. To achieve successful speech identification, listeners must resolve this ambiguity by organising the continuously varying phonetic features into discrete phoneme categories (categorical perception). The cognitive …
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Effects of Aging on Behavioral Measures of Listening Effort
Difficulty with speech communication in noise is a common problem among elderly individuals. Older adults often report challenges with understanding speech, particularly in noisy environments. Growing evidence suggests that cognitive effort is a significant factor in speech understanding in noise. …
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A theory of speech perception in normal and hearing-impaired ears
This research investigates the longstanding problem of understanding human speech perception. We aim to study speech perception and decode perceptual cues in speech by conducting psychoacoustic experiments on several subjects by presenting them with nonsense consonant-vowel (CV) syllables in …
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Effects of Hearing Experience, Music Training and Spectral-Temporal Processing on Music and Speech Perception in Adult Cochlear Implant Users
Cochlear implants (CIs) are a very successful hearing device for improving speech perception in quiet environments for individuals with severe-to-profound hearing loss. However, many CI users continue to face challenges in appreciating and enjoying music (particularly due to poor melody perception) …
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Cognitive control in age-related hearing loss
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Examining Age-related Enhancement of Multisensory Gain: The Role of Sensory Decline and Inverse Effectiveness
… experience a greater benefit from multisensory integration than their younger counterparts, but it is unclear why. One hypothesis is that age-related sensory decline weakens unisensory stimulus effectiveness, producing a boost in multisensory gain through inverse effectiveness. Many previous …
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Unraveling the trait overlap: Cortical and behavioral profiles differentiate subclinical autism and schizotypy
Sensory processing is fundamentally disrupted in both schizophrenia (SZ) and autism spectrum disorder (ASD), yet their overlapping features heighten misdiagnosis risk, underscoring the need for distinct neural and behavioral biomarkers to differentiate the two disorders. In this dissertation, we …
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