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[Aphasia].

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Aphasia↗

[Identification of auditory laterality by means of a new dichotic digit test in Spanish, and body laterality and spatial orientation in children with dyslexia and in controls].

INTRODUCTION: In this study, a new dichotic digit test in Spanish (NDDTS) was applied in order to identify auditory laterality. We also evaluated body laterality and spatial location using the Subirana test. SUBJECTS AND METHODS: Both the dichotic test and the Subirana test for body laterality and spatial location were applied in a group of 40 children with dyslexia and in a control group made up of 40 children who were paired according to age and gender. The results of the three evaluations were analysed using the SPSS 10 software application, with Pearson's chi-squared test. RESULTS: It was seen that 42.5% of the children in the group of dyslexics had mixed auditory laterality, compared to 7.5% in the control group (p < or = 0.05). Body laterality was mixed in 25% of dyslexic children and in 2.5% in the control group (p < or = 0.05) and there was 72.5% spatial disorientation in the group of dyslexics, whereas only 15% (p < or = 0.05) was found in the control group. CONCLUSIONS: The NDDTS proved to be a useful tool for demonstrating that mixed auditory laterality and auditory predominance of the left ear are linked to dyslexia. The results of this test exceed those obtained for body laterality. Spatial orientation is indeed altered in children with dyslexia. The importance of this finding makes it necessary to study the central auditory processes in all cases in order to define better rehabilitation strategies in Spanish-speaking children.

Adolescent↗

[Auditory processing maturation in children with and without learning difficulties].

BACKGROUND: Auditory processing maturation in school children with and without learning difficulties. AIM: To verify response improvement with the increase in age of the auditory processing skills in school children with ages ranging from eight to ten years, with and without learning difficulties and to perform a comparative study. METHOD: Eighty-nine children without learning complaints (Group 1) and 60 children with learning difficulties (Group II) were assessed. The used auditory processing tests were: Pediatric Speech Intelligibility (PSI), Speech in Noise, Dichotic Non-Verbal (DNV) and Staggered Spondaic Word (SSW). RESULTS: A better performance was observed for Group I between the ages of eight and ten in all of the used tests. However, the observed differences were statistically significant only for PSI and SSW. For Group II, a better performance was also observed with the increase in age, with statistically significant differences for all of the used tests. Comparing the results between Groups I and II, a better performance was verified for children with no learning difficulties, in the three age groups, in PSI, DNV and SSW. CONCLUSION: A statistically significant improvement was verified in the responses of the auditory processing with the increase in age, for the ages between eight and ten years, in children with and without learning difficulties. In the comparative study, it was verified that children with learning difficulties presented a lower performance in all of the used tests in the three age groups. This suggests, for this group, a delay in the maturation of the auditory processing skills.

Age Distribution↗

[Clinical characteristics and long-term prognosis of Landau-Kleffner syndrome].

OBJECTIVE: To investigate the clinical and electroencephalographic (EEG) characteristics, therapeutic response and long-term prognosis of Landau Kleffner syndrome (LKS). METHODS: The clinical and EEG data of 10 children with LKS were analyzed, and therapeutic response and long-term outcome were followed up. RESULTS: The age of onset was from 2 to 10.5 years of age. All patients had acquired aphasia, characterized by verbal auditory agnosia. All patients had epileptic seizures. Partial motor seizures during sleep occurred in 8 patients, and other seizure type including atypical absence seizure and generalized tonic-clonic seizure were also observed. Psychological and behavioral abnormalities occurred in 9 patients. There were no abnormalities of hearing and neuro-imaging tests in all patients, and family histories were negative. All the patients had EEG abnormalities. Focal spike and waves of temporal lobe were recorded in 9 patients. Electrical status epilepticus during sleep (ESES) was observed on Video-EEG (VEEG) monitoring in 4 patients. Anti-epileptic drugs (AEDs) showed favorable effects on epileptic seizures, but no effects on aphasia. All patients responded to corticosteroid, and got language improved. Eight patients were followed up for long-term outcome. All patients were seizure free, while the level of language development was abnormal in 5 patients. The VEEG follow-up was conducted in 6 patients. Continuous epileptic discharges in slow sleep recurred in 2 patients after the discontinuation of steroid therapy. CONCLUSIONS: LKS is one of the childhood epileptic encephalopathy, and acquired aphasia and epileptic seizures are two main clinical characteristics. Aphasia is characterized by verbal auditory agnosia. Psychological and behavioral abnormalities are very common in children with LKS. Focal epileptic discharges were often located in temporal area, and usually generalized, and could be continuous during sleep. AEDs could control seizure but had no effects on aphasia. Early use of full dose corticosteroids could improve the language significantly. Long-term follow up showed that language impairments often remained, but the outcome in terms of EEG and epileptic seizure was good.

Adrenal Cortex Hormones↗

A follow-up study of auditory sequential memory abilities in children with histories of preschool language impairment.

Auditory sequential memory abilities of 15 subjects with histories of preschool language impairment were compared to 15 non-language impaired matched controls on an auditory processing screening battery. The battery included assessment of symbols, syllables, words, sentences and commands in auditory sequential memory tasks. All five subtests significantly differentiated the subjects from their matched controls at the 1% level. Information from teacher and parent questionnaires revealed that many of the subjects presented with some areas of academic difficulty. These subjects seem predisposed to develop persistent communication difficulties. A dynamic continuum of language-learning disabilities is proposed. Clinical and theoretical implications and directions for research are discussed.

Achievement↗

[The influence of otitis media on the central auditory abilities of children with sensory integration problems].

In recent literature otitis media is linked to speech and language problems, behavioural problems and learning disabilities. Until recently limited research has been done in order to determine the influence of otitis media on the central auditory abilities. The aim of this study was to determine whether otitis media has an influence on the central auditory abilities of children with sensory integration problems. Thirteen persons diagnosed as children with sensory integration problems were selected as subjects. They were divided into two groups, namely eight subjects with a history of otitis media (group A) and five subjects without a history of otitis media (group B). A test battery was compiled for evaluation of the central auditory abilities and was used on the subjects. In terms of group A deviating results were obtained on every subtest of the central auditory test battery which indicated a possible brainstem involvement. Group B obtained normal results in more or less all the tests. The results therefore suggest that chronic otitis media has an influence on the central auditory abilities, i.e. in terms of insufficient brainstem functioning. Implications for research and treatment were discussed.

Auditory Perceptual Disorders↗

[Detection and treatment of deafness in children].

Deafness must be systematically looked for in children during the first year of life, since the behaviour of a child with impaired hearing may closely resemble that of a child with normal hearing. Severe or deep deafness can be detected at birth by means of a babymeter. Between the ages of 6 and 18 months, sound-emitting toy tests enable deafness to be detected. It is only at the age of 2-3 years that testing can be performed separately on each ear to detect unilateral deafness. Treatment varies according to the degree and type of deafness. Conduction deafness is usually due to otitis media serosa and is treated with transtympanic aerators. Perceptive deafness requires acoustic prosthesis associated with orthophony and parental guidance.

Auditory Perceptual Disorders↗

[Diagnosis of perceptive deafness in adults].

The finding of perception deafness in an adult patient should set off full clinical and paraclinical evaluation, as this symptom may hide two problems requiring urgent attention. The first problem concerns the diagnosis: any unilateral and progressive perceptive deafness suggests a possible acoustic neurinoma. The second problem is one of therapeutic decision, since in all patients with sudden onset deafness the prognosis depends on an early treatment. General practitioners can use simple tests that will give them some indications on the severity of the loss of hearing, but to establish the side and cause of the deficit, additional and highly specialized examinations are always needed. Medical and hearing aids are sufficient in most patients. Surgery should be reserved to very special cases and will be contemplated or not, depending on the cause of the deafness.

Adult↗

Evaluation of the Words with Ipsilateral Competition test.

The Words with Ipsilateral Competition test was examined for test-retest reliability, item difficulty, and list differences. Results revealed that: (a) many test words contributed little or nothing to the overall test results; (b) list 1 and list 3 were not homogeneous in terms of item difficulty; (c) test performance was influenced by list order, and (d) test-retest reliability correlations were low but significant with test-retest differences ranging from -12% to 32%. Based on the present findings, it was recommended that use of the Words with Ipsilateral Competition test be discontinued until the test is revised.

Attention↗

[Approaches to therapy of auditory agnosia].

In a 41-year-old stroke patient with bitemporal brain damage, we found severe signs of auditory agnosia 6 months after onset. Recognition of environmental sounds was extremely impaired when tested in a multiple choice sound-picture matching task, whereas auditory discrimination between sounds and picture identifications by written names was almost undisturbed. In a therapy experiment, we tried to enhance sound recognition via semantic categorization and association, imitation of sound and analysis of auditory features, respectively. The stimulation of conscious auditory analysis proved to be increasingly effective over a 4-week period of therapy. We were able to show that the patient's improvement was not only a simple effect of practicing, but it was stable and carried over to nontrained items.

Adult↗

Observation on the curative effect of 120 cases of auditory hallucination treated with auricular acupuncture.

Auditory hallucination often affects the thinking and emotion of the patients leading to dangerous behaviour of injuring themselves or others. We have treated auditory hallucination with different kinds of psychosis, mainly using auricular acupuncture and yielding certain curative effect. In our series, we found that there is no obvious correlation between number of attacks and the curative effect; however the duration of each attack may affect the curative effect. We also noticed that there is no significant difference in curative effects among the groups of simple auricular acupuncture, auricular plus body acupuncture and auricular acupuncture plus chlorpromazine. Therefore, we recommend auricular acupuncture for treating auditory hallucination.

Acupuncture Therapy↗