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Results for “Auditory Perceptual Disorders”

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At least 73 records · Page 4Linked to original sources
PubMed1989

Frequency-specific auditory brainstem response analysis of young normal, aged normal and aged alcohol-addicted rats.

Normative data for frequency-specific (+/- 100 Hz) auditory brainstem response (ABR) thresholds were determined in 60 normal healthy 3-month-old, 5 normal 22-month-old and 6 alcohol-addicted 22-month-old Sprague Dawley rats. The highest degree of auditory sensitivity was in the range of 12-20 kHz. These frequencies showed significant mean differences between the 3-month-old and the old normal rats. In contrast, alcohol-addicted old rats did not reveal any significant threshold changes as compared with either normal old or 3-month-old rats.

Aging↗
PubMed2000

The influence of premorbid language skills and behavior on language recovery in children with verbal auditory agnosia.

Previous studies of children with Landau-Kleffner syndrome and related language-epilepsy syndromes have focused on the relationship of seizure control to language recovery. We examined the effect of premorbid language skills and behavior, as well as some characteristics of clinical seizures and electroencephalograms, on language recovery in a retrospective study of 67 children with the severe receptive and expressive language disorder, verbal auditory agnosia. Fifty-eight percent of these children had seizures, 76% were autistic, and 24% had a history of language regression after showing previously normal language skills. The duration of language loss was not influenced by the persistence of clinical seizures. Premorbid language and behavior were more predictive of language recovery in these children. Most children with normal early language (acquired verbal auditory agnosia) had onset of language loss after age 3 years, in contrast to those with abnormal early language. Children with acquired verbal auditory agnosia were more likely to show fluctuations in language skills than those in other groups. Autistic children were more likely to begin having seizures before age 3 years, and had a longer duration of language loss and lower educational placement at time of last follow-up than those with normal behavior. This study emphasizes the importance of assessing premorbid language and behavior in predicting recovery of language skills in children with language-epilepsy syndromes.

Adolescent↗
PubMed2005

Transient unilateral hearing loss induced by electrocortical stimulation.

A 32-year-old patient with seizures experienced decreased right-ear hearing during electrocortical stimulation mapping of the left lateral superior temporal gyrus. Audiometric testing under headphones confirmed a reversible, moderate unilateral hearing loss. Under binaural listening conditions, auditory comprehension was impaired at the same site, whereas word repetition, environmental sound recognition, naming, and spontaneous speech remained intact.

Adult↗
PubMed1990

Central auditory processing in normal-hearing elderly adults.

Central auditory and linguistic functions were assessed in a group of 25 essentially normal-hearing, cognitively intact elderly adults. Inclusion in the study required normal performance on the Mini-Mental State Examination Procedures used to evaluate central auditory performance included monosyllabic word lists, the Synthetic Sentence Identification-Ipsilateral Competing Message (SSI-ICM) test, the Dichotic Digits test and the Staggered Spondaic Word test. Linguistic competence was assessed utilizing subtests of the Boston Diagnostic Aphasia test and the Revised Token test. Results indicate that central auditory involvement can occur without a concomitant decline in peripheral hearing sensitivity, cognitive function, or linguistic competence. Our findings also suggest, that for the type of individuals included in this study, the SSI-ICM appears to be the most sensitive measure to changes in central auditory processing abilities with advancing age.

Aged↗
PubMed1986

Reading and articulation.

Children who are slow to develop a normal phonological system often experience difficulty in learning to read. This fact is repeatedly referred to in the literature. This article attempts to look at factors which are common to the development both of phonology and reading ability. The literature relating sound synthesis to both skills is reviewed together with implications for therapy.

Articulation Disorders↗
PubMedDate not supplied

Auditory fusion test in scholars.

BACKGROUND: Temporal resolution. AIM: To use an auditory fusion test with pure tone in children and to comparatively analyze the results in relation to gender, age and risk for presenting language development deficits, in group and individually. METHODS: 35 scholars, in the first or fourth grade, from a private school of Belo Horizonte were submitted to an auditory fusion test and had their life history analyzed. RESULTS: The mean values obtained for the resolution times when the test was performed in free camp, with headphones and per group were similar, and inferior to 15 ms. CONCLUSION: The presented test can be performed in scholars.

Age Distribution↗
PubMed2005

Children with rolandic epilepsy have abnormalities of oromotor and dichotic listening performance.

Twenty children (11 females; age range 8y 2mo to 14y 7mo, mean 10y 6mo, SD 1y 8mo) with electroclinically typical rolandic epilepsy (RE), were investigated to demonstrate possible occurrence of abnormal oromotor functions and oral sensibility, linguistic problems, and impaired auditory discrimination. Twelve children were treated with an antiepileptic drug (carbamazepine, valproate, or sulthiame). They were compared with an age- and sex-matched control group of 24 children (14 females; age range 8y 2mo to 14y 5mo, mean 11y, SD 1y 8mo). The test battery included tests for facial expressions, lip and tongue movements, repeated syllables, and articulation using nonsense and tongue-twisting words. Sensibility on tongue and lips was tested with two-point discrimination. As language tests, Rapid Confrontation Naming, orthographic, and phonologic decoding tests were used. A dichotic listening test was performed in 13 children with RE and in 14 controls. Compared to control children, those with RE had significantly greater problems concerning tongue movements (p < 0.05) and articulation (nonsense words and tongue-twisting words; p < 0.01), and worse performance on dichotic listening (p < 0.05). Oro-lingual sensibility and results of language tests did not differ between those with RE and control children. The results indicate that children with RE have distinct but mild problems with oromotor performance and auditory discrimination.

Adolescent↗
PubMed2006

[Analysis of usefulness of central auditory processes tests in children].

INTRODUCTION: Diagnostic of central auditory processing should be done in some group of children, especially with learning disabilities. MATERIAL AND METHODS: The audiological examination was performed in the group (n=24) of pupils from first class of secondary school (13-14 years) without any otological and neurological problems. The battery of audiological tests was used: pure tone, impedance and speech audiometry, two tests with low redundant speech: filtered speech (FS) and compressed sentences, sequencing tasks (FPT, DPT) and ABR. Normal answer: in FS - 80% correctly repeated words, FTP and DPT 75% correctly repeated sequences. RESULTS: Results of this examination were referred to the scores of test after primary school (max 40 points). Children were divided into 3 groups: group III (33-40 points), group II (21-32), group I (0-20). Because seven children havenít had stapedial reflex we put them into special group - NR group. Tympanometry and pure tone audiometry were normal in all children. Speech audiometry was performed in intensity 30dB and correct answers were repeated in 80-100%. In compressed sentences test answers of 22 children were normal. The average dyscrimination score were: FS g. III 90%, g. II 84,3%, g. I 77,5%; FPT 89,2%, 72,9%, 62,5%; DPT 82,5%, 71,4%, 62,5%. The percentage of normal answer were: FS g. III 100%, g. II 100%, g.I 75%, FPT 100%, 42,9%, 25%, DPT 66,7%, 42,9%, 25%. The comparison between group I-III and NR was performed. The average dyscrimination score FS g. I-III 84,7%, g. NR 71,4%; FPT g. I-III 76,2%, g. NR 72,1%; DPT g. I-III 73,5%, g. NR 50,7%. The percentage of normal answer were: FS g. I-III 94,1%, g. NR 42,9%; FPT g. I-III 58,8%, g. NR 28,6%, DPT g. I-III 47,1%, g. NR 28,6%. CONCLUSIONS: In central auditory tests (FS, FPT, DPT) worse results were in children without stapedial reflex. Good pupils (group III) had better results than poor ones (group I). The better results in audiological tests, the better scores in school test.

Acoustic Impedance Tests↗
PubMed1990

The separability of central auditory and cognitive deficits: implications for the elderly.

After viral encephalitis a 40-year-old man showed both central auditory deficit and severe cognitive deficits. The asymmetric central auditory deficit was revealed by speech audiometry. The effect could be explained neither by peripheral sensitivity loss nor by cognitive status. Results highlight the separability of central auditory and cognitive deficits. Implications for the elderly are discussed.

Adult↗
PubMed1989

Auditory perceptual problems in non-organic hearing disorder.

A series of 22 patients who presented with non-organic hearing disorder were examined for auditory perceptual problems. A test battery that examined eight areas of auditory perception revealed significant auditory perceptual problems in each of the 22 patients. The results indicate a view that differs from the traditional view of non-organic hearing disorder as either conscious feigning of a hearing disorder or an unconscious symptom of an unidentified emotional disorder. The information presented here indicates that specific auditory processing disorders could adversely affect patients' hearing and that auditory perceptual disorders could be diagnosed and treated.

Adolescent↗
PubMed1990

Long latency auditory event-related potentials from children with auditory processing disorders.

The purpose of this study was to evaluate auditory event-related potentials, and related long latency components, in children with auditory processing disorders, and to compare these results with a normal group matched for age, intelligence, and gender. Results showed a significant latency increase for the N1, P2, and P3 components in the processing disordered group. Furthermore, the interpeak latency interval P2-P3 was significantly longer in the clinical group. In terms of amplitude measures, only P3 amplitude differed significantly between groups. These results suggest that the long latency potentials may be useful in the assessment of children with processing disorders.

Auditory Perception↗
PubMed1987

Specific auditory perceptual dysfunction in a learning disabled child.

An 11 1/2 year old child with learning disability was evaluated with a battery of auditory and linguistic test procedures: electrophysiologic (auditory brain stem, middle latency response, and late potentials), electroacoustic (stapedial reflexes), and behavioral (measures of phonetic-phonologic, syntactic, and semantic processing). The overall pattern of results suggested the presence of an isolated auditory-phonologic processing disorder. Results supported an auditory-perceptual, as opposed to a linguistic-cognitive, model of learning disability.

Aptitude↗