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pupillography
Items for "pupillography"
Detection of Juvenile Sleep Deprivation by Stochastic Optimization of Pupillographic Records
OBJECTIVE: To address the challenging problem of measuring juvenile sleep deprivation, we test the hypothesis that a pupillographic method found successful for adult narcoleptics might also discriminate between sleep deprived juveniles acting as their own controls. METHODS: A linear, nonstationary model relating pupillary diameter and a random photic stimulus are estimated by recursive regressions from pupillographic records of 8 juveniles of median age 7 years acting as their own rested controls...
Keywords: Sleep deprivation, juveniles, pupillography, stochastic optimization.
01/2003 | Methods of Information in Medicine, SchattauerVigilance monitoring – review and practical aspects
Vigilance monitoring is increasingly important in the industrialised world because working tasks are becoming increasingly monotonous and less physically exhausting, resulting in a high risk of falling asleep unintentionally...
Keywords: hypersomnia, Karolinska drowsiness test, Mackworth clock test, psychomotor vigilance task, pupillography, vigilance monitoring
02/2007 | Biomedizinische Technik, Walter de Gruyter