submission - Independent Pilots Association

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Subjccts
Tweuty-two participaats. aged I 9 to 26 years, were rccrui¡ed for rhe stuc¡' rsing advertisemenrs
placed a¡ound læal univenuies. Volunteers were rcqu:red to complete a gøeral health
qrælionnaire aad sleepwake diar¡' prior to the study. Subjccs wbc had a curenr hedrh
problcrn, and/or a history of psychiaric or sleep disorde¡s weæ cxcluded- Subjecs who sn¡oked
cigarenes or n'ho were taking medic¡¡ion knowu to inreract with alcobot were ajso excluded-
Parlicipants rvc¡e social dri¡rken u/bo did not rcgululy coru¡¡rrn3 more tba¡ six sundard drinks
pcr weck.
Perform¡ncc Bettcry
\euobehavioural performa¡ce Eas measr¡ed using a s¡andardised co:np'Jter based tes¡ 'oa¡ter)'.
-l-te apparalus for rhe banery consisls of an IBI\{ compatib,e computel. micrcprccessor urur,
:espolrss boxes a¡¡d computer mcn:ior. Bascd oo a3Éf,ñ"ãffiÀüce prcccssing model
flVickens, l9te¡, the bane¡y sought to provide a broad sanpling of '.ar:ous cornponenrs cf
neuobehav;oural pcrforn:a¡ce. Fot¡ of rwelve possible perfor=urce tests ìÀ'ere useC. such ihat
¡þs lsvel cf cognitive cornplexrry ranged Ëom simplc tc morc complcx as listel 'relou). S¡¡re
speed and acùurac)' scorÊs can bc cffecæd differentll' b¡ sleep deprivEtion (.{rrgus and
HesìeEave, I9t5. rvVebb ald Lcv-v, l9t2), usks ùat assess:d both we¡e invcstigarcd.