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| Titel: |
Sleep recordings in the elderly before and after usage of a geriatric preparation |
| Auteur: |
Kerkhof, G. A. Middelkoop, H. A. M. Van der Hoeve, R. Kamphuisen, H. A. C. Kemp, B. |
| Verschenen in: |
Biological rhythm research |
| Paginering: | Jaargang 20 (1989) nr. 1 pagina's 57-63 |
| Jaar: |
1989-02 |
| Inhoud: |
It was hypothesized that the daily intake of a geriatric preparation containing vitamins, minerals, trace elements and ginseng, would strengthen the sleep-wake rhythm and thus have a positive influence upon characteristics of sleep. A total of 32 subjects (age 61 -92, mean 78 yr, 23 females) was recruited from a local elderly home. In a double-blind procedure 16 subjects received the geriatric preparation for a period of 10 weeks, while the other 16 subjects received a placebo. Before treatment, a 48-hour polygraphic home-recording was made of the EEG, and - during sleep - of the chin EMG, the EOG and respiration. At the end of the treatment period ( 10 weeks later) this recording was repeated. After exclusion of low-quality recordings, the data of two groups of 10 subjects each were analyzed. The results show a significantly increased percentage of REM sleep for the experimental group after treatment, and a similar trend for Slow Wave Sleep. Moreover, inspection of the spectra of the 24-hour EEG recordings suggests an increased circadian amplitude of the low-frequency EEG. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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