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    • Critical Flicker Fusion Frequency: A Marker of Cerebral Arousal During Modified Gravitational Conditions Related to Parabolic FlightsPeer reviewedOpen access 

      02 octobre 2018, BALESTRA, Costantino; Machado, Marie-Laure; Theunissen, Sigrid; BALESTRA, Ambre; Cialoni, Danilo; Clot, Christian; Besnard, Stépane; Kammacher, Laura; Delzenne, Julie; GERMONPRÉ, Peter; Lafère, Pierre, HE Bruxelles Brabant
      Article scientifique
      In situ evaluation of human brain performance and arousal remains challenging during operational circumstances, hence the need for a rapid, reliable and reproducible tool. Here we hypothesized that the Critical flicker fusion frequency (CFFF) reflecting/requiring visual integration, visuo-motor skills and decision-taking process might be a powerful, fast and simple tool in modified gravity environments. ...

    • Early detection of diving-related cognitive impairment of different nitrogen-oxygen gas mixturesPeer reviewedOpen access 

      30 juin 2019, Lafère, Pierre; HEMELRYCK, Walter; GERMONPRÉ, Peter; Matity, Luba; Guerrero, François; BALESTRA, Costantino, HE Bruxelles Brabant
      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 ...

    • Inert gas narcosis in scuba diving, different gases different reactionsPeer reviewedClosed access 

      19 avril 2019, Rocco, Monica; Pelaia, Paolo; Di Benedetto, Pia; Conte, Giuseppe; Maggi, Luigi; Fiorelli, Silvia; Mercieri, Marco; BALESTRA, Costantino; de Biasi, Roberto Alberto, HE Bruxelles Brabant
      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 ...

    • Investigating critical flicker fusion frequency for monitoring gas narcosis in diversPeer reviewedOpen access 

      17 décembre 2020, Vrijdag, Xavier; Van Waart, Hanna; Sleigh, Jaimie; BALESTRA, Costantino; Mitchell, Simon, HE Bruxelles Brabant
      Article scientifique
      INTRODUCTION: Critical flicker fusion frequency (CFFF) has been used in various studies to measure the cognitive effects of gas mixtures at depth, sometimes with conflicting or apparently paradoxical results. This study aimed to evaluate a novel automatic CFFF method and investigate whether CFFF can be used to monitor gas-induced narcosis in divers. METHODS: Three hyperbaric chamber experiments were ...