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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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| 3. |
- 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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| 4. |
- 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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| 9. |
- Idrizbegovic, E, et al.
(author)
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Peripheral cell loss related to calcium binding protein immunocytochemistry in the dorsal cochlear nucleus in CBA/CaJ mice during aging
- 2001
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In: Audiology & neuro-otology. - : S. Karger AG. - 1420-3030. ; 6:3, s. 132-139
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Journal article (peer-reviewed)abstract
- The influence of cochlear hair cell and spiral ganglia neuron loss on calcium binding protein immunoreactivity (calretinin, parvalbumin and calbindin) in the dorsal and posteroventral cochlear nuclei (DCN and PVCN) in CBA/CaJ (CBA) mice during aging (1–39 months) was determined. Since calcium binding proteins have buffering properties against calcium overload, they may have a protective role during aging. It is shown that the percentage of calretinin- and parvalbumin-immunopositive neurons in the DCN showed a statistically significant positive correlation with inner hair cell loss, outer hair cell loss, and spiral ganglion cell loss. A correlation was also found between aging and the auditory periphery, and calcium binding proteins in the DCN. These findings imply that the pathophysiological state of the auditory periphery may influence the neuronal homeostasis in the dorsal cochlear nucleus.
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| 11. |
- 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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| 16. |
- Kosidou, K., et al.
(author)
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Recent time trends in levels of self-reported anxiety, mental health service use and suicidal behaviour in Stockholm
- 2010
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In: Acta Psychiatrica Scandinavica. - : Wiley. - 0001-690X .- 1600-0447. ; 122:1, s. 47-55
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Journal article (peer-reviewed)abstract
- ObjectiveTo investigate recent time trends in several indicators of mental ill-health and the patterning of these indicators between genders and younger vs. older individuals in Stockholm County.MethodSeveral indicators were used; self-reported anxiety from the Swedish Survey of Living Conditions, information on psychiatric in-patient and out-patient care, attempted and completed suicides from national and regional registers. Gender- and age-specific trends were compared for the time period of 1997-2006.ResultsSelf-reported anxiety and psychiatric service use increased among young individuals of both genders, while attempted suicides increased only among young women. By contrast, these indicators decreased or remained stable in the older age group from year 2001 and onwards.ConclusionOur data indicate a rising, and highly prevalent, mental ill-health among the young in Stockholm County, a region representative of urbanized, secular Western societies.
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