Effect of Vestibular Stimulation on Sleep in Elderly
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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-
-
Zurich, Schweiz, 8092
- Sensory Motor Systems Lab
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-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Right handed
- Between 60 and 75 years of age
Exclusion Criteria:
- Diseases or lesions of the nervous system (acute or residual included neurological and psychiatric diseases)
- BMI < 19 or > 30 kg/m2
- Medication known to influence sleep [56]
- Cognitive Impairment (MoCA score < 26)
- Drug use and abuse
- Nicotine use (e.g. smoking)
- > 10 alcoholic drinks per week
- > 5 drinks or foods containing caffeine per day
- History of sleep disorder (Insomnia, sleep apnea (apnea-hypopnea index >5), nocturnal myoclonus (>5 periodic leg movements per hour of sleep))
- Irregular sleep-wake rhythm (e.g. shift working)
- Travelling across time zones less than 1 month ago
- Naps longer than 1h
- Sleep on an average night <6 hours or >8 hours
- Skin allergies or very sensitive skin
- Diseases of the vestibular system
- Signs of motion sickness based on questionnaire
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Ingen indgriben: Baseline Nights
No vestibular stimulation is applied.
However, the sound of the moving bed will be played back to the participant at the right sound intensity level.
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Eksperimentel: Movement Nights
Vestibular stimulation, in the form of gentle rocking movements, is provided using the Somnomat V4 rocking bed.
Stimulation is provided for the entire 7 hours of the night from lights off to lights on.
The stimulation frequency is in the range of 0.1-0.3
Hz, with an amplitude in the range of 0.05 to 0.1m
|
Vestibular stimulation is provided using an innervated bed platform.
This robotic device consists of a standard single bed, mounted on a moving mechanism.
It was developed and produced by the ETH Zürich and approved for use in this study by Swissmedic.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Polysomnography
Tidsramme: 4 nights of 7 hours each
|
Difference in sleep parameters between the second of two nights with intervention and the second of two nights without intervention, as recorded using polysomnography. The sleep stages will be scored visually on a 20-s epoch basis according to standard criteria [53]. This will allow us to compare sleep architecture of the participants in the two conditions, as well as a possible consecutive nights effect in the two movement nights. Parameters of specific interest are sleep onset latency, total sleep time, time spent in N1, N2 and N3 stages of NREM sleep and time spent in REM sleep. Furthermore, the EEG power density spectra will be analysed. Power in specific frequency bands will be calculated based on spectral analysis, the amount and density of sleep spindles and slow waves will be determined. |
4 nights of 7 hours each
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Memory performance
Tidsramme: Recall moment in evening and morning (4 nights)
|
Difference in declarative memory performance between the second of two nights with intervention and the second of two nights without intervention.
During each experimental night a word-pair recall task will be performed 1h before going to bed and half an hour after waking up.
To assess declarative memory performance improvement, we will determine the difference between immediate and delayed recall.
Word-pair recall tasks are suitable to determine declarative memory performance in the context of sleep, as they are sensitive to effects of sleep.
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Recall moment in evening and morning (4 nights)
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Skin temperature
Tidsramme: 4 nights of 7 hours each
|
The distal-proximal temperature gradient will be calculated, based on skin temperature measured using sensors placed on the chest and hands, to look for a relationship with sleep onset latency.
|
4 nights of 7 hours each
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Robert Riener, Prof., University of Zurich
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- SOMNOMAT V4
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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