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Results for “Auditory Perceptual Disorders”

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PubMedDate not supplied

Cortical, subcortical, and brainstem dysfunction: a correlation in dyslexic children.

A group of dyslexic students was examined by a central auditory test (CAT) battery including competing sentences, binaural fusion, filtered speech, and compressed speech. Auditory evoked brainstem responses (BSER) were measured in conjunction with the CAT data. The auditory tests indicate a high degree of failure in those areas requiring sophisticated integration, coordination, and identification of the modified speech stimuli. The BSER did not identify a significant abnormality. The cortical and subcortical areas of integration are proposed as the multicentric sites of impairment in the hearing function found in dyslexic students.

Adolescent↗
PubMed1979

Chronic middle ear disease and auditory perceptual deficits: is there a link?

Data are presented indicating a correlation between chronic recurrent otitis media of early childhood and in increased likelihood of subsequent auditory processing deficits in a group of children referred for evaluation of impaired learning. Helpful appendices are added for a better understanding a central auditory processing skills.

Achievement↗
PubMedDate not supplied

More power to them--statistically, that is: a commentary on Studdert-Kennedy, Mody, and Brady's criticism of a critique.

The power analysis discussed above establishes that it was most unlikely that Mody et al. (1997) could make a meaningful test of the Tallal hypothesis because of inadequate n and failure to specify the effect size. Note that this is a best-case scenario, because the power analysis assumes that the analysis of variance assumptions were within reasonable boundaries (e.g., as specified by Norton's study). This was clearly not the case. In summary, the Mody et al. study fails to meet minimal scientific criteria and makes no meaningful contribution to the literature.

Analysis of Variance↗
PubMedDate not supplied

Temporal resolution of auditory perception in relation to perception, memory, and language skills in typical children.

This study examined temporal resolution of auditory perception (TRAP) in relation to speech perception and phonological working memory in one experiment and in relation to measures of rapid naming, understanding of grammatical contrasts, and phonological awareness in a second experiment. In the TRAP test, 6- to 9-year-old children discriminated four pairs of two sine tones, 878 Hz and 1350 Hz, presented in blocks with stepwise decreasing interstimulus intervals from 256 ms to 8 ms. In Experiment 1, weak but significant correlations between TRAP and speech perception and phonological working memory were found, as well as a significantly lower TRAP performance by girls. Experiment 2 indicated a significant relation between TRAP and the phonological awareness task. The results give qualified support to the notion of a weak relationship between TRAP and speech perception and language skills among typical children. However, the gender differences in TRAP performance, the limited variance explained by the regression models, and the finding that only one of the language parameters correlated with TRAP do not support the notion of a causal relationship between language skills and TRAP. The possibility that TRAP is connected to general neurological maturation rather than specifically to language abilities is discussed.

Auditory Perceptual Disorders↗
PubMedDate not supplied

A critique of Mody, Studdert-Kennedy, and Brady's "Speech perception deficits in poor readers: auditory processing or phonological coding?".

A 1997 article by Mody, Studdert-Kennedy, and Brady claimed that their studies constituted a critical test of two hypotheses concerning students with reading impairment: (a) that they experience speech-specific failure in phonological representation, and (b) they display general deficits in auditory temporal processing. From these studies, the authors concluded that their findings were consistent with the first hypothesis but were not in agreement with the second. A critical analysis of the Mody et al. article leads to the conclusion that it makes no contribution to that debate because (a) the children in the Poor reading group did not meet the accepted reading-impairment criterion of being delayed by at least 1 year in their reading skills, (b) there were severe violations of statistical assumptions, and (c) their conclusions were based on the failure to find significant differences, thus compelling them to accept the null hypothesis as proven, in the absence of any statistical power analysis.

Auditory Perceptual Disorders↗
PubMed2003

Age-related impairments in comprehending affective prosody with comparison to brain-damaged subjects.

This study evaluated the ability to produce and comprehend affective prosody across age groups and compared patterns of impaired performance to deficits observed after focal brain damage. Sixty-nine healthy subjects, ages 22 to 83 years, were given the Aprosodia Battery, a test that distinguishes between affective prosodic processing deficits following right- versus left-brain damage through the use of stimuli with progressively reduced verbal articulatory content. Production of affective prosody, measured by variation in fundamental frequency, was unimpaired in older subjects, whereas comprehension of affective prosody was impaired, particularly for tasks with reduced verbal articulatory content. The pattern of performance across affective comprehension tasks in the older subjects resembled the pattern found after right-brain damage. The results demonstrate age-related loss in comprehension of affective prosody that is most likely due to a processing deficit involving the right hemisphere.

Adult↗
PubMed2006

Effects of age on auditory and cognitive processing: implications for hearing aid fitting and audiologic rehabilitation.

Recent advances in research and clinical practice concerning aging and auditory communication have been driven by questions about age-related differences in peripheral hearing, central auditory processing, and cognitive processing. A "site-of-lesion'' view based on anatomic levels inspired research to test competing hypotheses about the contributions of changes at these three levels of the nervous system. A "processing'' view based on psychologic functions inspired research to test alternative hypotheses about how lower-level sensory processes and higher-level cognitive processes interact. In the present paper, we suggest that these two views can begin to be unified following the example set by the cognitive neuroscience of aging. The early pioneers of audiology anticipated such a unified view, but today, advances in science and technology make it both possible and necessary. Specifically, we argue that a synthesis of new knowledge concerning the functional neuroscience of auditory cognition is necessary to inform the design and fitting of digital signal processing in "intelligent'' hearing devices, as well as to inform best practices for resituating hearing aid fitting in a broader context of audiologic rehabilitation. Long-standing approaches to rehabilitative audiology should be revitalized to emphasize the important role that training and therapy play in promoting compensatory brain reorganization as older adults acclimatize to new technologies. The purpose of the present paper is to provide an integrated framework for understanding how auditory and cognitive processing interact when older adults listen, comprehend, and communicate in realistic situations, to review relevant models and findings, and to suggest how new knowledge about age-related changes in audition and cognition may influence future developments in hearing aid fitting and audiologic rehabilitation.

Aged↗
PubMed2003

Comprehension of affective prosody in multiple sclerosis.

Deficits in cognition have been repeatedly documented in patients with multiple sclerosis (MS), but their ability to comprehend emotional information has received little study. Forty-seven patients with MS and 19 demographic controls received the comprehension portion of the Aprosodia Battery, which is known to be sensitive to the impairments of patients with strokes and other neurological conditions. Patients also received tests of hearing, verbal comprehension and naming, a short cognitive battery, and the Beck Depression Inventory. Patients with MS were impaired in identifying emotional states from prosodic cues. The magnitude of the deficits was greatest for patients with severe physical disability and under test conditions of limited prosodic information. Correlational analyses suggested that the patients' difficulties in comprehending affective prosodic information were not secondary to hearing loss, aphasic deficits, cognitive impairment, or depression. For some patients with MS, deficits in comprehending emotional information may contribute to their difficulties in maintaining effective social interactions.

Adjuvants, Immunologic↗
PubMed1984

Cognitive vulnerability to auditory hallucination. Impaired perception of meaning.

Forty-four psychiatric patients were separated into four groups on the basis of presence/absence of hallucinations and reactive/process status. Reactive hallucinators were found to be singularly impaired in two aspects of cognitive processing: (1) tolerance of ambiguity; and (2) availability of alternative meanings. The perceptual errors produced by premature judgment and limited consideration of alternative meanings for misperceptions are discussed as factors predisposing to auditory hallucination.

Adult↗
PubMed1992

Failure of a binaural comprehension deficit to select responders to earplug use in schizophrenia.

Previous studies have suggested that on the Auditory Comprehension Test, a significant proportion of schizophrenics demonstrate a binaural comprehension deficit. To test whether wearing an earplug in their more poorly performing ear would be beneficial, we studied 34 in-patient schizophrenics and noted a binaural deficit in 12 (35%). Of these, eight patients subsequently wore an earplug in each ear for at least one week. We found no effect of the earplug on psychopathology.

Adult↗
PubMed1992

'Socrates' symptom'.

Explore the source record for details and available documents.

Auditory Perceptual Disorders↗
PubMed2003

Engagement of brain areas implicated in processing inner speech in people with auditory hallucinations.

BACKGROUND: The neurocognitive basis of auditory hallucinations is unclear, but there is increasing evidence implicating abnormalities in processing inner speech. Previous studies have shown that people with schizophrenia who were prone to auditory hallucinations demonstrated attenuated activation of brain areas during the monitoring of inner speech. AIMS: To investigate whether the same pattern of functional abnormalities would be evident as the rate of inner speech production was varied. METHOD: Eight people with schizophrenia who had a history of prominent auditory hallucinations and eight control participants were studied using functional magnetic resonance imaging while the rate of inner speech generation was varied experimentally. RESULTS: When the rate of inner speech generation was increased, the participants with schizophrenia showed a relatively attenuated response in the right temporal, parietal, parahippocampal and cerebellar cortex. CONCLUSIONS: In people with schizophrenia who are prone to auditory hallucinations, increasing the demands on the processing of inner speech is associated with attenuated engagement of the brain areas implicated in verbal self-monitoring.

Adult↗