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SUMMARY:Latitude-of-birth and season-of-birth effects on human color visio
 n in the Arctic - Bruno Laeng\, Department of Psychology\, University of T
 romso
DTSTART:20060707T120000Z
DTEND:20060707T130000Z
UID:TALK5128@talks.cam.ac.uk
CONTACT:Cordula Becker
DESCRIPTION:Natural ambient light deprivation occurs during the winter sea
 son at very high latitudes (above the Arctic circle or 66°32´ North) tha
 t in turn results in\nincreased exposure to artificial lighting. In contra
 st\, during the summer season\, sunlight can be present continuously for 2
 4 hours a day. Little is known about these extreme changes to light exposu
 re on human visual perception. Measuring color discriminations with the FM
  100 Test revealed that Norwegians born above the Arctic Circle were less 
 sensitive to yellow-green\, green\, and\ngreen-blue spectrum differences w
 hereas they were more sensitive to hue variations in the purple range than
  individuals born below the Arctic Circle. Additionally\, only Norwegian i
 ndividuals born above the Arctic Circle and during autumn/winter showed an
  overall decrease in color sensitivity\, whereas those born in the summer 
 showed a relative increase.
LOCATION:Seminar Room (ground floor)\, Craik-Marshall Building
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