Exposure of men to intermittent photic stimulation under simulated IFR conditions.

Melton, C.E.; Higgins, E.A.; Saldivar, J.T.; Wicks, S. Marlene; United States. Office of Aviation Medicine

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Exposure of men to intermittent photic stimulation under simulated IFR conditions.

1966-10-01
By Melton, C.E. ; Higgins, E.A. ; Saldivar, J.T. ; ...

[PDF-856.40 KB]

English

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Creators:

Melton, C.E. ; Higgins, E.A. ; Saldivar, J.T. ; Wicks, S. Marlene

Melton, C.E. ; Higgins, E.A. ; Saldivar, J.T. ; Wicks, S. Marlene Less -
Corporate Creators:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Air Pilots Airplanes--Lighting Alertness Annoyance Backscattering Brain Brightness Perception Convulsions Drowsiness Electrodes Electroencephalography Eye Eye Movements Fatigue Fatigue (Physiological Condition) Flicker Flicker Fusion Fog Human Subject Testing Instrument Flying Irritation (Physiology) Laboratory Tests Light Luminous Intensity Males Nystagmus Sleep Stimulus Intensity Strobes Vigilance Vigilance (Psychology)
Publication/ Report Number:

AM 66-39 ; DOT/FAA/AM-66/39

AM 66-39 ; DOT/FAA/AM-66/39 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

Ten men were subjected to intermittent photic stimulation in an airplane cockpit in an environmental chamber by (1) a Grimes red rotating beacon (1.5 FPS), (2) an Air Guard strobe light (1.0 FPS) and (3) propeller flicker (10 FPS). IFR conditions were simulated by passing steam into the cooled chamber. Electroencephalograms and electrooculograms were recorded for the 10 minute period prior to photic stimulation, during 10 minutes of photic stimulation, and for 10 minutes after stimulation.

None of the lights provoked seizure, syncope, nystagmus or photic driving. The strobe light evoked complaints of irritation from 7 of the subjects and caused pacing of the alpha rhythm together with pulsating pupils. Three subjects became drowsy during the Grimes light, six became drowsy during propeller flicker, none complained of drowsiness during the strobe light. These sources of intermittent light appear to be innocuous to normal people. The commonest complaint was annoyance. Drowsiness was probably due to the environment and nature of the task.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2b0a0713a95495bbc99722b70e80edb327cda37e629e8dc425a3ce5deabba9dd
Download URL:

https://rosap.ntl.bts.gov/view/dot/20809/dot_20809_DS1.pdf
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Exposure of men to intermittent photic stimulation under simulated IFR conditions.

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