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Evaluation of Divers' Neuropsychometric Effectiveness and High-Pressure Neurological Syndrome via Computerized Test Battery Package and Questionnaires in Operational Setting
12 avril 2019,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: When divers are compressed to water depths deeper than 150 meter sea water (msw), symptoms of high-pressure neurological syndrome (HPNS) might appear due to rapid increase in pressure on the central nervous system during compression. The aim of this study was to first operate a new computerized tool, designed to monitor divers' wellbeing and cognitive function, and to record the results. ...
Static Metabolic Bubbles as Precursors of Vascular Gas Emboli During Divers' Decompression: A Hypothesis Explaining Bubbling Variability
30 juillet 2019,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Introduction: The risk for decompression sickness (DCS) after hyperbaric exposures (such as SCUBA diving) has been linked to the presence and quantity of vascular gas emboli (VGE) after surfacing from the dive. These VGE can be semi-quantified by ultrasound Doppler and quantified via precordial echocardiography. However, for an identical dive, VGE monitoring of divers shows variations related to ...
Early detection of diving-related cognitive impairment of different nitrogen-oxygen gas mixtures
30 juin 2019,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
NTRODUCTION: Cognitive impairment related to inert gas narcosis (IGN) is a threat to diving safety and operations at depth that might be reduced by using enriched air nitrox (EANx) mixtures. Using critical flicker fusion frequency (CFFF), a possible early detection of cognitive abilities/cerebral arousal impairment when breathing different oxygen (O2) fractions was investigated. METHODS: Eight male ...
Clustering of recreational divers by their health conditions in a database of a citizen science project
05 mai 2019,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Divers Alert Network Europe has created a database with a large amount of dive-related data that has been collected since 1993 within the scope of the Diving Safety Laboratory citizen science project. The main objectives of this study are the grouping divers by their health information and revealing significant differences in diving parameters using data mining techniques. Due to the methodology of ...
Inert gas narcosis in scuba diving, different gases different reactions
19 avril 2019,
- HE Bruxelles Brabant
,
- Article scientifique
Article scientifique
Purpose Underwater divers face several potential neurological hazards when breathing compressed gas mixtures including nitrogen narcosis which can impact diver’s safety. Various human studies have clearly demonstrated brain impairment due to nitrogen narcosis in divers at 4 ATA using critical flicker fusion frequency (CFFF) as a cortical performance indicator. However, recently some authors have ...
Le rapport à l’école et aux savoirs des familles d’origine immigrée. Liens avec la réussite scolaire des jeunes
juin 2013,
- HE Bruxelles Brabant
,
- Rapport
Rapport
Ce rapport constitue la synthèse d’une étude réalisée entre 2009 et 2012 pour le compte du Service de la Recherche du Secrétariat général de la Communauté française de Belgique. Il a pour objet les représentations, attitudes et pratiques que les populations issues de l’immigration développent à l’égard de l’école, de la scolarité et du savoir. Cette étude tente de répondre aux questions posées ...