Vår förståelse för ljus och ljusets påverkan på människan har ökat enormt sedan Jeffrey C. Hall, Michael Rosbash och Michael W. Young upptäckte de molekylära mekanismer som styr den cirkadiska rytmen vilket 2017 tilldelades med Nobelpriset i Medicin eller Fysiologi.
Redan tidigare, runt år 2000, upptäckte forskare vid Oxford en tredje fotoreceptor (intrinsic photoreceptive retinal ganglion cell, ipRGC), som fångar upp ljuset i miljön runt oss och på det viset dirigerar kroppens dygnsrytm med en periodicitet på drygt 24 timmar. Dag- och nattavsnitten styrs dels av ett invecklat genetiskt maskineri och dels direkt av ljusinflödet till ögat. Utan dessa cellers receptiva förmåga att fånga skiftningarna mellan ljus och mörker blir vår interna klocka frånkopplad den yttre världen och vi upplever exakt samma saker som vi gör då vi är jet laggade. Vår hälsa och vårt välbefinnande påverkas således negativt när när denna naturliga dygnsrytm förskjuts på grund av bristande tillgång till ett över dagen skiftande dagsljus. Så i detta seminarium delar BrainLit med sig av sina kunskaper kring ämnet samt tar upp faktiska exempel där ny teknik, kombinerad med en ökad förståelse för ljusets påverkan på vårt välbefinnande skapar goda belysningsmiljöer och positiva effekter för människorna som vistas i dem.
Marcus ansvarar för BrainLits verksamhet och erbjudande mot vård och omsorg globalt.
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