Coherence Between Brain Cortical Function and Neurocognitive Performance During Changed Gravity Conditions (CORTICOG)
Alongside a well-known physiological deconditioning, such as a decrease in muscle mass or bone demineralization, extended stays in weightlessness also cause cognitive dysfunction. However, the studies on this subject during space missions short or long term could not determine how these cognitive dysfunction resulted from a direct effect of weightlessness or a stress-related effect.
Analysis of electro-encephalography (EEG) using a standardized mapping method is used to study the changes of operation of the cerebral cortex as the near infrared spectroscopy (NIRS) is a reflection of changes in the cerebral hemodynamics. Their combined use is a relatively simple and economical method for studying brain changes in an environment where the normal brain imaging techniques can not be used.
The main objective of this experiment is to evaluate the alterations in brain cortical activity and brain oxygenation level induced by micro- and hypergravity conditions.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Studietype
Registrering (Faktiske)
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiesteder
-
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Basse-Normandie
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Caen CEDEX, Basse-Normandie, Frankrike, 14032
- Umr Ucbn/Inserm U1075 Comete
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- healthy volunteers (men or women),
- aged from 18 to 65,
- affiliated to a Social Security system and, for non-French resident, holding an European Health Insurance Card (EHIC)
- who accept to take part in the study,
- who have given their written stated consent,
- who already participated in parabolic flights (even in the same campaign)
- All subjects will pass a medical examination similar to a standard aviation medical examination for private pilot aptitude (JAR FCL3 Class 2 medical examination). There will be no additional test performed for subject selection.
Exclusion Criteria:
- Persons who took part in a previous biomedical research protocol, of which exclusion period is not terminated,
- Persons with prior serious injuries to their head
- Persons who take any medication or drugs influencing their central nervous system or cognitive performance
- Pregnant women.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Grunnvitenskap
- Tildeling: N/A
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
|---|---|
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Annen: EEG and NIRS measurements
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Electro cortical power in alpha frequency ranges (EEG-LORETA)
Brain tissue oxygenation ( oxy- or deoxygenated hemoglobin values) - NIRS
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
alterations in brain cortical activity (EEG)
Tidsramme: baseline
|
baseline
|
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brain oxygenation level (NIRS)
Tidsramme: baseline
|
baseline
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Samarbeidspartnere og etterforskere
Sponsor
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Andre studie-ID-numre
- 10-082
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