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- Rosenhall, Ulf, et al.
(author)
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Dietary habits and hearing
- 2015
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In: International Journal of Audiology. - 1499-2027 .- 1708-8186. ; 54:Suppl. 1, s. S53-S56
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Journal article (peer-reviewed)abstract
- Objective: Study groups from three age cohorts of 70-75 year-olds were investigated to search for possible correlations between dietary habits and auditory function.Design: A cross-sectional, epidemiological study.Study sample: A total number of 524 people (275 women, 249 men) were recruited from three age cohorts. The study sample was representative of the general population. All participants answered a diet history and were tested with pure-tone audiometry. Eleven categories of food consumption were related to pure-tone averages of low-mid frequency hearing, and high frequency hearing.Results: Two consistent correlations between diet and hearing were observed. One was a correlation between good hearing and a high consumption of fish in the male group. The other was a correlation between poor high frequency hearing and a high consumption of food rich in low molecular carbohydrates in both genders; a larger effect size was seen in females.Conclusions: The study indicates that diet is important for aural health in aging. According to this study fish is beneficial to hearing, whereas consumption of "junk food", rich in low molecular carbohydrates, is detrimental. Other correlations, e.g. between high consumption of antioxidants, were not demonstrated here, but cannot be excluded.
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- Augustsson, Olga, et al.
(author)
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The Johanneberg Study: a Social Survey in an Urban Elderly Population. I. General presentation of the study including an analysis of non-response and identification of risk groups
- 1993
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In: Scandinavian Journal of Social Medicin. ; 22:4, s. 283-92
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Journal article (peer-reviewed)abstract
- This study is the Swedish part of a world-wide transcultural and interdisciplinary study in elderly populations which addresses food habits, health and life-style. The aim of this paper is to present the general design including an analysis of non-response, and to identify risk-groups for intervention programmes. The study comprised 217 noninstitutionalized males (n = 73) and females (n = 144), aged 70 and over (mean age 78 years) in a small urban area. Home visits and clinical examinations with standard methods were used. The participation rate was 76%. Significant differences between non-respondents and respondents could be seen, which may be important when planning health promotion. On the basis of experience during the examinations, a risk-group was identified for prospective and intervention study purpose, based on a multiple variable model and a clinical model.
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- Bergman, B, et al.
(author)
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Vision and hearing in old age
- 2001
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In: Scandinavian audiology. - : Informa UK Limited. - 0105-0397. ; 30:4, s. 255-263
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Journal article (peer-reviewed)
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- Brantberg, K, et al.
(author)
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The binaural interaction component in human ABR is stable within the 0- to 1-ms range of interaural time differences
- 1999
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In: Audiology & neuro-otology. - : S. Karger AG. - 1420-3030. ; 4:2, s. 88-94
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Journal article (peer-reviewed)abstract
- The effect of unilaterally delayed acoustic stimuli on binaural interaction was studied in 12 subjects with normal hearing. Auditory brainstem response (ABR) was obtained in the midline between the forehead and the neck, and click stimuli were unilaterally delayed at 0.2-ms intervals in the 0- to 1-ms range. Binaural interaction was evaluated by measuring the β wave in the binaural difference waveform, i.e. the remainder after subtracting the binaurally evoked registration from the sum of the two monaural registrations. Computation of the binaural difference waveform showed the β wave amplitude to be relatively stable throughout the 0- to 1-ms range of interaural time differences. This finding suggests stable binaural interaction within the range of interaural time differences where binaural click stimuli induce a binaurally fused intracranial image.
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- Gillberg, Christopher, 1950, et al.
(author)
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Auditory brainstem responses in childhood psychosis.
- 1983
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In: Journal of Autism and Developmental Disorders. - 0162-3257. ; 13:2, s. 181-195
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Journal article (peer-reviewed)abstract
- Auditory brainstem responses were compared in 24 autistic children, 7 children with other childhood psychoses, and 31 normal children. One-third of the autistic children showed abnormal ABR indicative of brainstem dysfunction and correlating with muscular hypotonia and severe language impairment. The children with other psychoses and the normal children showed normal results.
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- Haggstrom, J, et al.
(author)
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Prognostic Value of a Test of Central Auditory Function in Conversion from Mild Cognitive Impairment to Dementia
- 2020
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In: Audiology & neuro-otology. - : S. Karger AG. - 1421-9700. ; 25:5, s. 276-282
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Journal article (peer-reviewed)abstract
- <b><i>Background/Objective:</i></b> It has been suggested that central auditory processing dysfunction might precede the development of cognitive decline and Alzheimer’s disease (AD). The Dichotic Digits Test (DDT) has been proposed as a test of central auditory function. Our objective was to evaluate the predictive capacity of the DDT in conversion from mild cognitive impairment (MCI) to dementia. <b><i>Methods:</i></b> A total of 57 participants (26 females) with MCI were tested at baseline with pure tone audiometry, speech in quiet and in noise, and the DDT. The cognitive outcome was retrieved from medical files after 5 years. Groupwise comparisons of the baseline DDT scores were performed and the relative risk was calculated. <b><i>Results:</i></b> Altogether 22 subjects developed any kind of dementia. Of the original 57 individuals within the MCI group, 15 developed AD and 7 developed other types of dementia. There was no significant difference in baseline DDT scores between the participants who converted to AD and those who did not. However, the group who developed other types of dementia (especially frontotemporal dementia) had lower DDT scores in the left ear than those participants who did not develop dementia. With a baseline DDT score below 50% correct responses, the participants diagnosed with MCI had a 2.49-times-higher risk of developing dementia than those with scores of 50% or better. <b><i>Conclusion:</i></b> The DDT as a central auditory test may be suitable when evaluating cognitive decline.
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- Hanner, P, et al.
(author)
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Clinical observations of effects on central nervous system in patients with acute facial palsy.
- 1987
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In: Archives of otolaryngology--head & neck surgery. - 0886-4470. ; 113:5, s. 516-20
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Journal article (peer-reviewed)abstract
- Twenty-eight consecutive patients with acute unilateral facial palsy were examined with special reference to clinical signs of central nervous system involvement. The clinical investigation in the acute stage of the disease showed that only seven patients had solitary facial nerve dysfunction, while the remaining patients had evidence of more widespread disease involvement. The most frequent finding was a trigeminal dysfunction of the paretic side, as shown by paresthesia and sensibility disturbance corresponding to the sensoritrigeminal area, as well as a dysfunction of the trigeminal component of the corneal reflex of the paretic side. Three patients showed migrating symptoms that were suggestive of a brain-stem disorder. In addition, four patients had an optic neuropathy, while an abnormal brain-stem audiometry response was demonstrated in five patients. The outcome of acute facial palsy one to two years after onset, however, could not be predicted from the clinical central nervous system signs. The degree of the palsy in the acute stage of the disease still seemed to be one of the most important prognostic factors. It is concluded that acute facial palsy is not a single entity, but rather a feature of different neurologic conditions.
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- Häggström, J, et al.
(author)
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A Longitudinal Study of Peripheral and Central Auditory Function in Alzheimer's Disease and in Mild Cognitive Impairment
- 2018
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In: Dementia and geriatric cognitive disorders extra. - : S. Karger AG. - 1664-5464. ; 8:3, s. 393-401
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Journal article (peer-reviewed)abstract
- <b><i>Background/Aim:</i></b> Central auditory processing disorder (CAPD) might precede the onset of Alzheimer’s disease (AD). A method of evaluating CAPD is the dichotic digits test (DDT). The aim was to address this in a longitudinal setting. <b><i>Methods:</i></b> A total of 136 individuals were assessed with peripheral and central hearing tests at baseline and at 5-year follow-up. <b><i>Results:</i></b> Subjects with AD showed a significant decline in DDT scores of the right ear from baseline to follow-up. The other groups retained high DDT scores. Peripheral auditory function declined as expected according to age. <b><i>Conclusions:</i></b> Our study indicates that DDT performance reflects an ongoing process resulting in dementia.
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- Idrizbegovic, E, et al.
(author)
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Short-term longitudinal study of central auditory function in Alzheimer's disease and mild cognitive impairment
- 2013
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In: Dementia and geriatric cognitive disorders extra. - : S. Karger AG. - 1664-5464. ; 3:1, s. 468-71
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Journal article (peer-reviewed)abstract
- <b><i>Background/Aims:</i></b> Central auditory function can be studied to monitor the progression of mild cognitive impairment to dementia. Our aim was to address this issue in a prospective longitudinal setting. <b><i>Methods:</i></b> Tests of central hearing function were performed on 70 subjects with either Alzheimer's disease (AD) or mild cognitive impairment, and in controls with subjective memory complaints but normal cognition. The time span until follow-up was 1.5 years. <b><i>Results:</i></b> The dichotic digit free recall test showed a significant decline in the AD group compared with the controls (left ear). <b><i>Conclusion:</i></b> The short time span was long enough to disclose a central auditory processing decline in AD.
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