scholarly journals The Role of Age-Related Declines in Subcortical Auditory Processing in Speech Perception in Noise

2016 ◽  
Vol 17 (5) ◽  
pp. 441-460 ◽  
Author(s):  
Tim Schoof ◽  
Stuart Rosen
Keyword(s):  
Speech Perception ◽  
Auditory Processing ◽  
Speech Perception In Noise ◽  
Age Related

scholarly journals Effects of Age and Noise Exposure on Proxy Measures of Cochlear Synaptopathy

2019 ◽  
Vol 23 ◽  
pp. 233121651987730 ◽  
Author(s):  
Garreth Prendergast ◽  
Samuel Couth ◽  
Rebecca E. Millman ◽  
Hannah Guest ◽  
Karolina Kluk ◽  
...  
Keyword(s):  
Speech Perception ◽  
Noise Exposure ◽  
Auditory Brainstem ◽  
Auditory Brainstem Responses ◽  
Behavioral Measures ◽  
Speech Perception In Noise ◽  
Phase Discrimination ◽  
Age Related ◽  
Interaural Phase ◽  
Age Range

Although there is strong histological evidence for age-related synaptopathy in humans, evidence for the existence of noise-induced cochlear synaptopathy in humans is inconclusive. Here, we sought to evaluate the relative contributions of age and noise exposure to cochlear synaptopathy using a series of electrophysiological and behavioral measures. We extended an existing cohort by including 33 adults in the age range 37 to 60, resulting in a total of 156 participants, with the additional older participants resulting in a weakening of the correlation between lifetime noise exposure and age. We used six independent regression models (corrected for multiple comparisons), in which age, lifetime noise exposure, and high-frequency audiometric thresholds were used to predict measures of synaptopathy, with a focus on differential measures. The models for auditory brainstem responses, envelope-following responses, interaural phase discrimination, and the co-ordinate response measure of speech perception were not statistically significant. However, both age and noise exposure were significant predictors of performance on the digit triplet test of speech perception in noise, with greater noise exposure (unexpectedly) predicting better performance in the 80 dB sound pressure level (SPL) condition and greater age predicting better performance in the 40 dB SPL condition. Amplitude modulation detection thresholds were also significantly predicted by age, with older listeners performing better than younger listeners at 80 dB SPL. Overall, the results are inconsistent with the predicted effects of synaptopathy.

Discriminability and Perceptual Weighting of Some Acoustic Cues to Speech Perception by 3-Year-Olds

1996 ◽  
Vol 39 (2) ◽  
pp. 278-297 ◽  
Author(s):  
Susan Nittrouer
Keyword(s):  
Speech Perception ◽  
Auditory Processing ◽  
Native Language ◽  
Acoustic Cues ◽  
Acoustic Parameters ◽  
Age Related ◽  
Developmental Shift ◽  
Processing Abilities ◽  
Children's Speech ◽  
Perceptual Weighting

Studies of children’s speech perception have shown that young children process speech signals differently than adults. Specifically, the relative contributions made by various acoustic parameters to some linguistic decisions seem to differ for children and adults. Such findings have led to the hypothesis that there is a developmental shift in the perceptual weighting of acoustic parameters that results from experience with a native language (i.e., the Developmental Weighting Shift). This developmental shift eventually leads the child to adopt the optimal perceptual weighting strategy for the native language being learned (i.e., one that allows the listener to make accurate decisions about the phonemic structure of his or her native language). Although this proposal has intuitive appeal, there is at least one serious challenge that can be leveled against it: Perhaps age-related differences inspeech perception can more appropriately be explained by age-related differences in basic auditory-processing abilities. That is, perhaps children are not as sensitive as adults to subtle differences in acoustic structure and so make linguistic decisions based on the acoustic information that is most perceptually salient. The present study tested this hypothesis for the acoustic cues relevant to fricative identity in fricative-vowel syllables. Results indicated that 3-year-olds were not as sensitive to changes in these acoustic cues as adults are, but that these age-related differences in auditory sensitivity could not entirely account for age-related differences in perceptual weighting strategies.

Relationship Between Peripheral and Central Auditory Abilities and Iron Deficiency Anemia in Adolescent Girls

2021 ◽  
pp. 1-11
Author(s):  
Chandni Jain ◽  
Vipin Ghosh Pushpoth Gangadharan ◽  
Chetak Kadabasal Basavaraja ◽  
Aishwarya Lakshmi
Keyword(s):  
Speech Perception ◽  
Iron Deficiency ◽  
Iron Deficiency Anemia ◽  
Adolescent Girls ◽  
Auditory Processing ◽  
Digit Span ◽  
Deficiency Anemia ◽  
Central Auditory Processing ◽  
Speech Perception In Noise ◽  
Processing Abilities

Purpose This study evaluated the peripheral hearing and central auditory processing abilities in Indian adolescent girls with iron deficiency anemia (IDA). Method The participants consisted of 75 adolescent girls with IDA, 50 adolescent girls without IDA, and 50 adolescent boys without IDA. Participants underwent a test battery to evaluate auditory processing and peripheral hearing assessment. In this study, central auditory processing abilities were assessed using Speech Perception in Noise test in Kannada (SPIN-K) and quick speech perception in noise tests in Kannada, dichotic consonant–vowel test, gap detection threshold (GDT), and auditory digit sequencing and auditory digit span tests. Results Results showed that the hearing thresholds at extremely low and high frequencies (250 and 8000 Hz), although within clinically normal limits, were poorer in girls with IDA than in the control groups. Also, girls with IDA performed poorly in SPIN-K of the right ear, GDT, and auditory backward digit span tests. Conclusion These subtle auditory deficiencies may be attributed to the compromised blood supply to the central auditory nervous system, as observed in the current study.

scholarly journals Speech Perception in Noise Predicts Oral Narrative Comprehension in Children With Developmental Language Disorder

2021 ◽  
Vol 12 ◽  
Author(s):  
Beula M. Magimairaj ◽  
Naveen K. Nagaraj ◽  
Craig A. Champlin ◽  
Linda K. Thibodeau ◽  
Diane F. Loeb ◽  
...  
Keyword(s):  
Speech Perception ◽  
Auditory Processing ◽  
Short Term Memory ◽  
Language Disorder ◽  
Narrative Comprehension ◽  
Developmental Language Disorder ◽  
Speech Perception In Noise ◽  
Tone Perception ◽  
Processing Abilities ◽  
Narrative Language

We examined the relative contribution of auditory processing abilities (tone perception and speech perception in noise) after controlling for short-term memory capacity and vocabulary, to narrative language comprehension in children with developmental language disorder. Two hundred and sixteen children with developmental language disorder, ages 6 to 9 years (Mean = 7; 6), were administered multiple measures. The dependent variable was children's score on the narrative comprehension scale of the Test of Narrative Language. Predictors were auditory processing abilities, phonological short-term memory capacity, and language (vocabulary) factors, with age, speech perception in quiet, and non-verbal IQ as covariates. Results showed that narrative comprehension was positively correlated with the majority of the predictors. Regression analysis suggested that speech perception in noise contributed uniquely to narrative comprehension in children with developmental language disorder, over and above all other predictors; however, tone perception tasks failed to explain unique variance. The relative importance of speech perception in noise over tone-perception measures for language comprehension reinforces the need for the assessment and management of listening in noise deficits and makes a compelling case for the functional implications of complex listening situations for children with developmental language disorder.

Sign in / Sign up

Export Citation Format

Share Document