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Fulltext Differential coding of perception in the world's languages

Majid A, Roberts SG, Cilissen L, Emmorey K, Nicodemus B, O'Grady L, et al.

Proc Natl Acad Sci U S A, 2018 Nov 06;115(45):11369-11376.
PMID: 30397135 DOI: 10.1073/pnas.1720419115

Is there a universal hierarchy of the senses, such that some senses (e.g., vision) are more accessible to consciousness and linguistic description than others (e.g., smell)? The long-standing presumption in Western thought has been that vision and audition are more objective than the other senses, serving as the basis of knowledge and understanding, whereas touch, taste, and smell are crude and of little value. This predicts that humans ought to be better at communicating about sight and hearing than the other senses, and decades of work based on English and related languages certainly suggests this is true. However, how well does this reflect the diversity of languages and communities worldwide? To test whether there is a universal hierarchy of the senses, stimuli from the five basic senses were used to elicit descriptions in 20 diverse languages, including 3 unrelated sign languages. We found that languages differ fundamentally in which sensory domains they linguistically code systematically, and how they do so. The tendency for better coding in some domains can be explained in part by cultural preoccupations. Although languages seem free to elaborate specific sensory domains, some general tendencies emerge: for example, with some exceptions, smell is poorly coded. The surprise is that, despite the gradual phylogenetic accumulation of the senses, and the imbalances in the neural tissue dedicated to them, no single hierarchy of the senses imposes itself upon language.

Matched MeSH terms: Auditory Perception/physiology*
Dexamphetamine increased speech and visual unimodal illusions in healthy participants without affecting temporal binding window

Voon FL, Loffman SJ, Lim MJH, Lee JWY, Iyyalol R, Martin-Iverson MT

Hum Psychopharmacol, 2024 May;39(3):e2896.
PMID: 38353526 DOI: 10.1002/hup.2896

OBJECTIVE: Stimuli received beyond a very short timeframe, known as temporal binding windows (TBWs), are perceived as separate events. In previous audio-visual multisensory integration (McGurk effect) studies, widening of TBWs has been observed in people with schizophrenia. The present study aimed to determine if dexamphetamine could increase TBWs in unimodal auditory and unimodal visual illusions that may have some validity as experimental models for auditory and visual hallucinations in psychotic disorders.
METHODS: A double-blind, placebo-controlled, counter-balanced crossover design with permuted block randomisation for drug order was followed. Dexamphetamine (0.45 mg/kg, PO, q.d.) was administered to healthy participants. Phantom word illusion (speech illusion) and visual-induced flash illusion/VIFI (visual illusion) tests were measured to determine if TBWs were altered as a function of delay between stimuli presentations. Word emotional content for phantom word illusions was also analysed.
RESULTS: Dexamphetamine significantly increased the total number of phantom words/speech illusions (p

Matched MeSH terms: Auditory Perception/drug effects; Auditory Perception/physiology
Fulltext Effects of happy music on repetitive and restricted behaviours in children with autism spectrum disorders: a concept paper

Nurul Izzah Wahidul Azam, Amir Muhriz Abdul Latiff, Chandra Kannan Thanapalan, Raja Mohamad Alif Raja Adnan

Malaysian Journal of Medicine and Health Sciences, 2019;15(104):93-93.
MyJurnal

Introduction: Restricted and repetitive behaviours (RRBs) is one of autism spectrum disorders (ASD) core criteria. Exhibitions of RRBs produce profound implications on the functional aspect of these children and family. Evidence found that RRBs is related to the reward system dysfunction in the basal ganglia of these children. RRBs induces intrinsically rewarding effects on children with ASD. Listening to music was found to influence the reward system on the typical population and also discover to be promising as complementary strategies for ASD. A study found that high functioning adolescents with ASD cognitively stimulated through listening to happy music. Planning inter-vention for RRBs by looking towards the mechanism of reward system function remained unexplored. The primary objectives of this study is to examine the effect of happy music on RRBs symptoms. Methods: This study will use a randomised control trial research design with pre-test and post-test assessments in 20 children with ASD. Two parallel randomly assigned group will undergo twelve weeks of intervention sessions. The experimental group will listen to happy music and engage in free play sessions. For the control group, they will engage in free play session only without the music. Parents will complete the Repetitive Behaviour Scale-Revised, which consists of 6 subscales on RRBs to measure the outcome of the study. Results: The study will compare the RRBs between two groups. Con-clusion: Outcome of this study may set forth further investigation on the management of RRB using non-aversive contemporary approach.

Matched MeSH terms: Auditory Perception
Fulltext Linguistic context effects in the speech perfection of Malay-speaking normal hearing young adults

Cila Umat, Nahazatul Islia Jamari

Jurnal Sains Kesihatan Malaysia, 2006;4(1):9-20.
MyJurnal

The study examined the use of linguistic contextual cues among native, Malay-speaking normal hearing young adults. Ten undergraduate students of Universiti Kebangsaan Malaysia participated in the study. All subjects had normal hearing with the average hearing threshold levels for the overall left and the right ears of 7.8 dB (SD 4.1). The Malay Hearing in Noise Test (MyHINT) materials were employed and presented to the subjects at an approximately 65 dBA presentation level. Testing was conducted in a sound field in three different listening conditions: in quiet, in noise with +5 dB signal-to-noise ratio (SNR) and 0 dB SNR. In every test condition, three lists of MyHINT were administered to each subject. The magnitude of context effects was measured using the j factor, which was derived from measurements of recognition probabilities for whole sentences (13,) and the constituent words in the sentences (PP) in which j = log P./ log P P. Results showed that all subjects scored 100% identification of words in sentences and whole sentences in quiet listening condition, while subjects' performances in 0 dB SNR were significantly poorer than that in quiet and in +5 dB SNR (p < 0.001). The j-values were significantly correlated with the probability of recognizing words in the sentences (r = 0.515, p = 0.029) in which lower j values were associated with lower P ps. Subjects were not significantly different from each other in their use of contextual cues in adverse listening conditions [F(9, 7) = 1.34, p = 0.359]. Using the linear regression function for j on word recognition probabilities, the predicted P. were calculated. It was found that the predicted and measured probabilities of recognizing whole sentences were highly correlated: r = 0.973, p < 0.001. The results suggested that linguistic contextual information become increasingly important for recognition of sentences by normal hearing young adult listeners as SNR deteriorates.

Matched MeSH terms: Auditory Perception
EEG-based alpha neurofeedback training for mood enhancement

Phneah SW, Nisar H

Australas Phys Eng Sci Med, 2017 Mar 13.
PMID: 28290068 DOI: 10.1007/s13246-017-0538-2

The aim of this paper is to develop a preliminary neurofeedback system to improve the mood of the subjects using audio signals by enhancing their alpha brainwaves. Assessment of the effect of music on the human subjects is performed using three methods; subjective assessment of mood with the help of a questionnaire, the effect on brain by analysing EEG signals, and the effect on body by physiological assessment. In this study, two experiments have been designed. The first experiment was to determine the short-term effect of music on soothing human subjects, whereas the second experiment was to determine its long-term effect. Two types of music were used in the first experiment, the favourite music selected by the participants and a relaxing music with alpha wave binaural beats. The research findings showed that the relaxing music has a better soothing effect on the participants psychologically and physiologically. However, the one-way analysis of variance (ANOVA) results showed that the short-term soothing effect of both favourite music and relaxing music was not significant in changing the mean alpha absolute power and mean physiological measures (blood pressure and heart rate) at the significance level of 0.05. The second experiment was somewhat similar to an alpha neurofeedback training whereby the participants trained their brains to produce more alpha brainwaves by listening to the relaxing music with alpha wave binaural beats for a duration of 30 min daily. The results showed that the relaxing music has a long-term psychological and physiological effect on soothing the participants, as can be observed from the increase in alpha power and decrease in physiological measures after each session of training. The training was found to be effective in increasing the alpha power significantly [F(2,12) = 11.5458 and p = 0.0016], but no significant reduction in physiological measures was observed at the significance level of 0.05.

Matched MeSH terms: Auditory Perception
Fulltext The effects of background noise on brain activation during a verbal working memory task

Mohamad, M., Yusoff, A.N., Mukari, S.Z.M., Abdullah, A., Abd Hamid, A.I.

Malaysian Journal of Medicine and Health Sciences, 2014;10(1):29-38.
MyJurnal

This study was carried out to investigate the effects of noisy background on brain activation during a working memory task. Fourteen healthy male subjects underwent silent functional Magnetic Resonance Imaging (fMRI) scans while listening to words presented verbally against quiet (WIS) and noisy (WIN) backgrounds. The stimuli were binaurally presented to the subjects at 70 dB sound pressure level (SPL) in both conditions. Group results indicated significant (p < 0.001) bilateral widespread of brain activations in the primary auditory cortex, superior temporal gyrus, inferior frontal gyrus, supramarginal gyrus and inferior parietal lobes during WIS. Additional significant activation was observed in the middle cingulate cortex and anterior cingulate cortex during WIN, suggesting the involvement of cingulate cortex in working memory processing against a noisy background. The mean percentage of signal change in all regions was higher during WIN as compared to WIS. Right hemispheric predominance was observed for both conditions in primary auditory cortex and middle frontal gyrus and this could be attributed to the increased difficulty of the tasks. The results obtained from this study demonstrated that background noise increased task demand and difficulty. Task demand was found to play an important role in determining the activation magnitude in the brain areas during working memory task.

Matched MeSH terms: Auditory Perception
Fulltext Emotion Recognition Using Smart Watch Sensor Data: Mixed-Design Study

Quiroz JC, Geangu E, Yong MH

JMIR Ment Health, 2018 Aug 08;5(3):e10153.
PMID: 30089610 DOI: 10.2196/10153

BACKGROUND: Research in psychology has shown that the way a person walks reflects that person's current mood (or emotional state). Recent studies have used mobile phones to detect emotional states from movement data.
OBJECTIVE: The objective of our study was to investigate the use of movement sensor data from a smart watch to infer an individual's emotional state. We present our findings of a user study with 50 participants.
METHODS: The experimental design is a mixed-design study: within-subjects (emotions: happy, sad, and neutral) and between-subjects (stimulus type: audiovisual "movie clips" and audio "music clips"). Each participant experienced both emotions in a single stimulus type. All participants walked 250 m while wearing a smart watch on one wrist and a heart rate monitor strap on the chest. They also had to answer a short questionnaire (20 items; Positive Affect and Negative Affect Schedule, PANAS) before and after experiencing each emotion. The data obtained from the heart rate monitor served as supplementary information to our data. We performed time series analysis on data from the smart watch and a t test on questionnaire items to measure the change in emotional state. Heart rate data was analyzed using one-way analysis of variance. We extracted features from the time series using sliding windows and used features to train and validate classifiers that determined an individual's emotion.
RESULTS: Overall, 50 young adults participated in our study; of them, 49 were included for the affective PANAS questionnaire and 44 for the feature extraction and building of personal models. Participants reported feeling less negative affect after watching sad videos or after listening to sad music, P

Matched MeSH terms: Auditory Perception
Fulltext The Heat Is On: Effects of Synchronous Music on Psychophysiological Parameters and Running Performance in Hot and Humid Conditions

Nikol L, Kuan G, Ong M, Chang YK, Terry PC

Front Psychol, 2018;9:1114.
PMID: 30072929 DOI: 10.3389/fpsyg.2018.01114

Running in high heat and humidity increases psychophysiological strain, which typically impairs running performance. Listening to synchronous music has been shown to provide psychophysiological benefits, which may enhance running performance. The present randomized, crossover study examined effects of listening to synchronous music on psychophysiological parameters and running performance in hot and humid conditions. Twelve male runners (21.7 ± 2.2 y; 166.17 ± 7.18 cm; 60.32 ± 9.52 kg; 59.29 ± 5.95 ml kg-1 min-1) completed two running trials in simulated conditions (31°C and 70% humidity) with and without synchronous music. Participants ran on a treadmill inside a climatic chamber for 60 min at 60%

V
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O2max and continued to run to exhaustion at 80%

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O2max. Time-to-exhaustion under the synchronous music condition was 66.59% longer (mean = 376.5 s vs. 226.0 s, p = 0.02, d = 0.63) compared to the no music condition. Ratings of perceived exertion were significantly lower for the synchronous music condition at each time point (15, 30, 45, and 60 min) of the steady state portion of the running trials. Small differences in heart rate were detected between conditions. No significant between-condition differences were found in urine specific gravity, percentage of body weight loss, thermal comfort, and blood lactate. Findings suggest that listening to synchronous music is beneficial to running performance and perceived exertion in hot and humid conditions.

Matched MeSH terms: Auditory Perception
Effects of speech phonological features during passive perception on cortical auditory evoked potential in sensorineural hearing loss

Abdul Rauf A. Bakar, Jayasree Santhosh, Mohammed G. Al-zidi, Ibrahim Amer Ibrahim, Ng SC, Hua NT

Sains Malaysiana, 2017;46:2477-2488.

The deficiency in the human auditory system of individuals suffering from sensorineural hearing loss (SNHL) is known to be associated with the difficulty in detecting of various speech phonological features that are frequently related to speech perception. This study investigated the effects of speech articulation features on the amplitude and latency of cortical auditory evoked potential (CAEP) components. The speech articulation features included the placing contrast and voicing contrast. 12 Malay subjects with normal hearing and 12 Malay subjects with SNHL were recruited for the study. The CAEPs response recorded at higher amplitude with longer latency when stimulated by voicing contrast cues compared to that of the placing contrast. Subjects with SNHL elicited greater amplitude with prolonged latencies in the majority of the CAEP components in both speech stimuli. The existence of different frequency spectral and time-varying acoustic cues of the speech stimuli was reflected by the CAEPs response strength and timing. We anticipate that the CAEPs responses could equip audiologist and clinicians with useful knowledge, concerning the potential deprivation experience by hearing impaired individuals, in auditory passive perception. This would help to determine what type of speech stimuli that might be useful in measuring speech perception abilities, especially in Malay Malaysian ethic group, for choosing a better rehabilitation program, since no such study conducted for evaluating speech perception among Malaysian clinical population.

Matched MeSH terms: Auditory Perception
Parents' evaluation of aural/oral performance of children (PEACH) scale in the Malay language: data for normal-hearing children

Quar TK, Ching TY, Mukari SZ, Newall P

Int J Audiol, 2012 Apr;51(4):326-33.
PMID: 22176307 DOI: 10.3109/14992027.2011.637079

The parents' evaluation of aural/oral performance of children (PEACH) scale was developed to assess the effectiveness of amplification for children, based on a systematic use of parents' observations of children's performance in real-world environments.

Matched MeSH terms: Auditory Perception*
Fulltext Cortical signal-in-noise coding varies by noise type, signal-to-noise ratio, age, and hearing status

Maamor N, Billings CJ

Neurosci Lett, 2017 01 01;636:258-264.
PMID: 27838448 DOI: 10.1016/j.neulet.2016.11.020

The purpose of this study was to determine the effects of noise type, signal-to-noise ratio (SNR), age, and hearing status on cortical auditory evoked potentials (CAEPs) to speech sounds. This helps to explain the hearing-in-noise difficulties often seen in the aging and hearing impaired population. Continuous, modulated, and babble noise types were presented at varying SNRs to 30 individuals divided into three groups according to age and hearing status. Significant main effects of noise type, SNR, and group were found. Interaction effects revealed that the SNR effect varies as a function of noise type and is most systematic for continuous noise. Effects of age and hearing loss were limited to CAEP latency and were differentially modulated by energetic and informational-like masking. It is clear that the spectrotemporal characteristics of signals and noises play an important role in determining the morphology of neural responses. Participant factors such as age and hearing status, also play an important role in determining the brain's response to complex auditory stimuli and contribute to the ability to listen in noise.

Matched MeSH terms: Auditory Perception/physiology
Fulltext Updated parameters and expanded simulation options for a model of the auditory periphery

Zilany MS, Bruce IC, Carney LH

J Acoust Soc Am, 2014 Jan;135(1):283-6.
PMID: 24437768 DOI: 10.1121/1.4837815

A phenomenological model of the auditory periphery in cats was previously developed by Zilany and colleagues [J. Acoust. Soc. Am. 126, 2390-2412 (2009)] to examine the detailed transformation of acoustic signals into the auditory-nerve representation. In this paper, a few issues arising from the responses of the previous version have been addressed. The parameters of the synapse model have been readjusted to better simulate reported physiological discharge rates at saturation for higher characteristic frequencies [Liberman, J. Acoust. Soc. Am. 63, 442-455 (1978)]. This modification also corrects the responses of higher-characteristic frequency (CF) model fibers to low-frequency tones that were erroneously much higher than the responses of low-CF model fibers in the previous version. In addition, an analytical method has been implemented to compute the mean discharge rate and variance from the model's synapse output that takes into account the effects of absolute refractoriness.

Matched MeSH terms: Auditory Perception*
Fulltext The heterospecific calling song can improve conspecific signal detection in a bushcricket species

Abdelatti ZAS, Hartbauer M

Hear Res, 2017 11;355:70-80.
PMID: 28974384 DOI: 10.1016/j.heares.2017.09.011

In forest clearings of the Malaysian rainforest, chirping and trilling Mecopoda species often live in sympatry. We investigated whether a phenomenon known as stochastic resonance (SR) improved the ability of individuals to detect a low-frequent signal component typical of chirps when members of the heterospecific trilling species were simultaneously active. This phenomenon may explain the fact that the chirping species upholds entrainment to the conspecific song in the presence of the trill. Therefore, we evaluated the response probability of an ascending auditory neuron (TN-1) in individuals of the chirping Mecopoda species to triple-pulsed 2, 8 and 20 kHz signals that were broadcast 1 dB below the hearing threshold while increasing the intensity of either white noise or a typical triller song. Our results demonstrate the existence of SR over a rather broad range of signal-to-noise ratios (SNRs) of input signals when periodic 2 kHz and 20 kHz signals were presented at the same time as white noise. Using the chirp-specific 2 kHz signal as a stimulus, the maximum TN-1 response probability frequently exceeded the 50% threshold if the trill was broadcast simultaneously. Playback of an 8 kHz signal, a common frequency band component of the trill, yielded a similar result. Nevertheless, using the trill as a masker, the signal-related TN-1 spiking probability was rather variable. The variability on an individual level resulted from correlations between the phase relationship of the signal and syllables of the trill. For the first time, these results demonstrate the existence of SR in acoustically-communicating insects and suggest that the calling song of heterospecifics may facilitate the detection of a subthreshold signal component in certain situations. The results of the simulation of sound propagation in a computer model suggest a wide range of sender-receiver distances in which the triller can help to improve the detection of subthreshold signals in the chirping species.

Matched MeSH terms: Auditory Perception*
Relation of distortion product otoacoustic emission with tinnitus

Ami M, Abdullah A, Awang MA, Liyab B, Saim L

Laryngoscope, 2008 Apr;118(4):712-7.
PMID: 18176342 DOI: 10.1097/MLG.0b013e318161e521

To investigate cochlear outer hair cell function based on distortion product otoacoustic emission (DPOAE) in patients with tinnitus.

Matched MeSH terms: Auditory Perception/physiology*
Fulltext A balanced randomised placebo controlled blinded phase IIa multi-centre study to investigate the efficacy and safety of AUT00063 versus placebo in subjective tinnitus: The QUIET-1 trial

Hall DA, Ray J, Watson J, Sharman A, Hutchison J, Harris P, et al.

Hear Res, 2019 06;377:153-166.
PMID: 30939361 DOI: 10.1016/j.heares.2019.03.018

AUT00063 is an experimental new medicine that has been demonstrated to suppress spontaneous hyperactivity by modulating the action of voltage-gated potassium-channels in central auditory cortical neurons of a rodent model. This neurobiological property makes it a good candidate for treating the central component of subjective tinnitus but this has not yet been tested in humans. The main purpose of the QUIET-1 (QUest In Eliminating Tinnitus) trial was to examine the effect of AUT00063 on the severity of tinnitus symptoms in people with subjective tinnitus. The trial was a randomised, placebo-controlled, observer, physician and participant blinded multi-centre superiority trial with two parallel groups and a primary endpoint of functional impact on tinnitus 28 days after the first drug dosing day. The trial design overcame the scale and logistical challenges of delivering a scientifically robust, statistically powered multi-centre study for subjective tinnitus within the National Health Service in England. The trial was terminated early for futility. Overall, 212 participants consented across 18 sites with 91 participants randomised to groups using age, gender, tinnitus symptom severity and hearing status as minimisation factors. While the pharmacokinetic markers confirm the uptake of AUT00063 in the body, within the expected therapeutic range, with respect to clinical benefit findings indicated that AUT00063 was not effective in alleviating tinnitus symptoms (1.56 point change in Tinnitus Functional Index). In terms of clinical harms, results indicated that a daily dose of 800 mg capsules of AUT00063 taken for 28 days was safe and well tolerated. These findings provide significant advances in the drug development field for hearing sciences, but raise questions about the predictive validity of certain rodent models of noise-induced hearing loss and tinnitus, as least for the mechanism evaluated in the present study. Trial Registration: (EudraCT) 2014-002179-27; NCT02315508.

Matched MeSH terms: Auditory Perception/drug effects*
Fulltext The association between subcortical and cortical fMRI and lifetime noise exposure in listeners with normal hearing thresholds

Dewey RS, Francis ST, Guest H, Prendergast G, Millman RE, Plack CJ, et al.

Neuroimage, 2020 Jan 01;204:116239.
PMID: 31586673 DOI: 10.1016/j.neuroimage.2019.116239

In animal models, exposure to high noise levels can cause permanent damage to hair-cell synapses (cochlear synaptopathy) for high-threshold auditory nerve fibers without affecting sensitivity to quiet sounds. This has been confirmed in several mammalian species, but the hypothesis that lifetime noise exposure affects auditory function in humans with normal audiometric thresholds remains unconfirmed and current evidence from human electrophysiology is contradictory. Here we report the auditory brainstem response (ABR), and both transient (stimulus onset and offset) and sustained functional magnetic resonance imaging (fMRI) responses throughout the human central auditory pathway across lifetime noise exposure. Healthy young individuals aged 25-40 years were recruited into high (n = 32) and low (n = 30) lifetime noise exposure groups, stratified for age, and balanced for audiometric threshold up to 16 kHz fMRI demonstrated robust broadband noise-related activity throughout the auditory pathway (cochlear nucleus, superior olivary complex, nucleus of the lateral lemniscus, inferior colliculus, medial geniculate body and auditory cortex). fMRI responses in the auditory pathway to broadband noise onset were significantly enhanced in the high noise exposure group relative to the low exposure group, differences in sustained fMRI responses did not reach significance, and no significant group differences were found in the click-evoked ABR. Exploratory analyses found no significant relationships between the neural responses and self-reported tinnitus or reduced sound-level tolerance (symptoms associated with synaptopathy). In summary, although a small effect, these fMRI results suggest that lifetime noise exposure may be associated with central hyperactivity in young adults with normal hearing thresholds.

Matched MeSH terms: Auditory Perception/physiology*
Cross-cultural Adaptation of the Consensus Auditory-perceptual Evaluation of Voice (CAPE-V) Into Malay: A Validity Study

Mohd Mossadeq N, Mohd Khairuddin KA, Zakaria MN

J Voice, 2024 Nov;38(6):1527.e27-1527.e35.
PMID: 35760635 DOI: 10.1016/j.jvoice.2022.05.018

Auditory-perceptual rating of voice is one component of voice evaluation, and the CAPE-V is one of the tools for this purpose. Because of its advantages, the CAPE-V has been adapted into several languages. Accordingly, the adaptation of the CAPE-V into Malay is essential for its utility among the Malaysian population, which this study aimed to accomplish. This study involved translating the CAPE-V into Malay, termed the Malay CAPE-V, followed by establishing its validity. The translation processes (ie, forward translation and backward translation) involved four different translators ie, three speech-language therapists (SLTs), and one linguist with at least 14 years of experience. Most items were similarly translated, except for a few, which were subsequently accepted as similar, following consensus among the translators. In the examination of content validity, two raters (ie, SLTs) with at least 12 years of clinical experience reviewed and scored the tested items. Given that the scale-level content validity index average value (S-CVI/Ave) was above the acceptable level, all items were retained. The examination of construct validity and concurrent validity involved ratings of voice samples recorded from 38 participants, comprising 19 individuals with normal and disordered voices, respectively. The ratings were performed by three raters (ie, SLTs) with at least 12 years of clinical experience. For the construct validity, the Mann-Whitney U test indicated significantly higher scores of the vocal parameters of the Malay CAPE-V for the disordered voice group than for the normal voice group. Meanwhile, for the concurrent validity, the Spearman correlation indicated that all relationships between the scores of the vocal parameters of the Malay CAPE-V and GRBAS Scale were significant, with most of them achieving a very strong positive correlation. The results demonstrated that the Malay CAPE-V is a valid tool for an auditory-perceptual rating of voice among the Malaysian population.

Matched MeSH terms: Auditory Perception
Audiological management of adults with hearing impairment in Malaysia

Ali A, Hickson L, Meyer C

Int J Audiol, 2017 Jun;56(6):408-416.
PMID: 28388865 DOI: 10.1080/14992027.2017.1305515

OBJECTIVE: This study explored the nature of audiological services for adults with hearing impairment in Malaysia, with an emphasis on whether current services address clients' overall functioning as described by the World Health Organisation's International Classification of Functioning, Disability, and Health (ICF) framework.
DESIGN: An online survey exploring current practice, skills and confidence of audiologists, and the infrastructure and facilities available in their workplaces, was distributed to audiologists in Malaysia via professional associations and social media.
STUDY SAMPLE: A total of 111 audiologists, 84.7% female and 15.3% male (range = 23-44 years), participated in the study.
RESULTS: Although audiologists in Malaysia reported addressing all of the ICF domains, less than 26% of them assessed the patients' speech perception, carried out real-ear measurements, or used outcome measures routinely. The majority of the audiologists reported feeling confident in managing adult patients. However, 83% of the audiologists indicated they wanted to improve their skills related to management of adult patients, particularly in the areas of counselling and auditory training.
CONCLUSIONS: Inadequate infrastructure, resources and facilities in the workplace may have contributed to the gaps in service provision and influenced the current practice of audiological management for adult patients in Malaysia.

Matched MeSH terms: Auditory Perception

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