Title: Physiological and cognitive effects of acute normobaric hypoxia,and modulations by oxygen breathing

Carine Malle 1, 2, * Cyprien Bourrilhon 2 Peggy Quinette 1 Laisney Michel 1 Francis Eustache 1 Christophe Piérard 2
* Auteur correspondant
1 Neuropsychologie cognitive et neuroanatomie fonctionnelles de la mémoire humaine
2 Département Environnements Opérationnels
Abstract : The emergence of normobaric devices for hypoxia awareness training makes crucial the study of physiological and cognitive effects induced by acute normobaric hypoxia (NH) exposure. Our study was aimed i) to investigate the effects of acute NH exposure on physiological variables and working memory; and 2) to investigate the physiological and cognitive effects of oxygen breathing before and after acute NH exposure. METHODS: 86 healthy men were randomized into 4 groups: the Normoxia-Air group (n=23) whose subjects were breathing air; the Hypoxia-Air group (n=22) where NH exposure was preceded and followed by air breathing; the Normoxia-O2 group (n=21) whose protocol was similar to the Normoxia-Air group, except the ad of 100% O2 breathing periods; and the Hypoxia-O2 group (n=20) whose participants were exposed to 100% O2 before and after NH exposure. Working memory was assessed with the Paced Auditory Serial Addition Test. Peripheral oxygen saturation (SpO2), heart rate (HR) and electroencephalogram (EEG) were recorded.
Keywords : Paced Auditory Serial Addition Test (PASAT) electroencephalography (EEG) : altitude aeromedical training working memory
Type de document :
Article dans une revue
Aerospace Medecine and Human Performance, Journal of the aerospace medical association, 2016, 87 (1), pp.3-12. 〈10.3357/AMHP.4335.2016.〉
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Soumis le : lundi 25 janvier 2016 - 16:38:36
Dernière modification le : jeudi 7 février 2019 - 17:40:16
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Carine Malle, Cyprien Bourrilhon, Peggy Quinette, Laisney Michel, Francis Eustache, et al.. Title: Physiological and cognitive effects of acute normobaric hypoxia,and modulations by oxygen breathing. Aerospace Medecine and Human Performance, Journal of the aerospace medical association, 2016, 87 (1), pp.3-12. 〈10.3357/AMHP.4335.2016.〉. 〈inserm-01261663〉

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