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FAA Civil Aerospace Medical Institute

rosaP Repository & Open Science Access Portal

FAA, Civil Aerospace Medical Institute (CAMI), Aerospace Medical and Human Factors Research. This collection contains reports and resources from the Federal Aviation Administration’s Civil Aerospace Medical Institute (CAMI) aerospace medical and human factors research program. Additional information on this program may be found at https://www.faa.gov/data_research/research/med_humanfacs/. Bookmark this collection:https://rosap.ntl.bts.gov/collection_cami or https://doi.org/10.21949/1530825.

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Showing 1321 - 1340 of 1487 results
  • Perceived depth between familiar objects
    Perceived depth between familiar objects.
    Gogel, Walter C. ;
    Mertens, Henry W.
    1967-08-01 | PDF
    In aviation, size cues are frequently used in a pilot's evaluation of depth or distance. In the study, the hypothesis was examined that the essential factor in the size cue to depth from familiar objects is the perceived size S' per unit of retinal size theta of each of the objects, with the object having the largest value of S'/theta appearing to ...
  • Crossmodality matching of loudness to brightness for flashes of varying luminance and duration
    Cross-modality matching of loudness to brightness for flashes of varying luminance and duration.
    Lewis, Mark F.
    1967-08-01 | PDF
    On occasion pilots must make judgments about the brightness of signal lights during night flight. The current study was directed to determining the relation between brightness and flash luminance and duration without use of a visual comparison stimulus. Each subject adjusted the intensity of a 1000 Hz tone presented monaurally by earphone until the ...
  • A portable device for the measurement of evaporative water loss
    A portable device for the measurement of evaporative water loss.
    Funkhouser, G.E. ;
    Billings, S.M.
    1967-08-01 | PDF
    A portable device has been developed for the precise measurement of evaporative water loss. Under appropriate conditions the measurement of evaporative water loss may be used as an index of 'emotional stress' in flying personnel. The apparatus incorporates a thermal conductivity cell as a moisture sensor, a proportional heater control to maintain t ...
  • A functional comparison of basic restraint systems
    A functional comparison of basic restraint systems.
    Young, Joseph W.
    1967-06-01 | PDF
    The availability of information necessary to provide realistic solutions for personal safety problems in public and private transportation systems is found to be inadequate and incomplete. The problem of body restraint during the accident event is pursued, in part by this study.Since the greatest frequency of serious injuries occurs from upper body ...
  • An evaluation of potential decompression hazards in small pressurized aircraft
    An evaluation of potential decompression hazards in small pressurized aircraft.
    Swearingen, John J.
    1967-06-01 | PDF
    Over 300 decompression tests were conducted to determine potential hazards of ejection or incapacitating or fatal head injuries in small volume pressurized aircraft in the event of sudden decompression following the loss of a window, emergency exit, door or windshield.Evaluations were made to determine the relationships of cabin volume (100 to 700 ...
  • The relationships between chronological age length of experience and job performance ratings of air route traffic control specialists
    The relationships between chronological age, length of experience, and job performance ratings of air route traffic control specialists.
    Cobb, Bart B.
    1967-06-01 | PDF
    The survey-type study of several hundred journeymen radar control specialists of four Air Route Traffic Control Centers was conducted in order to determine the extent to which job performance might be associative with chronological age and length of experience in control work.For each of several experimentally derived ratings of job performance, a ...
  • Performance characteristics of constantflow phase dilution oxygen mask designs for general aviation
    Performance characteristics of constant-flow phase dilution oxygen mask designs for general aviation.
    McFadden, Ernest B. ;
    Harrison, Hiley F.
    1967-05-01 | PDF
    The report describes evaluation of two prototype phase dilution rebreathing masks as compared to an open port rebreathing mask design. Human subjects wearing the prototype masks and engaged in three minute periods of rest and exercise were exposed to altitudes of 14,000, 18,000, 25,000, 30,000 and 34,000 feet in an altitude chamber.Each subject was ...
  • Interaural intensity difference limen
    Interaural intensity difference limen.
    Rowland, Roy C. ;
    Tobias, Jerry V.
    1967-05-01 | PDF
    The ability to judge the direction (the azimuth) of a sound source and to discriminate it from others is often essential to flyers. A major factor in the judgment process is the interaural intensity difference that the pilot can perceive. Three kinds of intensity-difference thresholds were compared for the purpose of determining interaural-binaural ...
  • Adaptation to vestibular disorientation VII Special effects of brief periods of visual fixation on nystagmus and sensations of turning
    Adaptation to vestibular disorientation. VII, Special effects of brief periods of visual fixation on nystagmus and sensations of turning.
    Collins, William E.
    1967-05-01 | PDF
    The influences of (a) disorientation experience and (b) brief periods of visual still-fixation were examined in exposing figure skaters and ordinary subjects to various rates of angular acceleration. Both nystagmic eye movements and sensations of turning were recorded. Skaters produced significantly less primary slow-phase eye displacement than did ...
  • Diagnostic tests of color defective vision annotated bibliography 19561966
    Diagnostic tests of color defective vision : annotated bibliography, 1956-1966.
    Lewis, Mark F. ;
    Ashby, Faye K.
    1967-05-01 | PDF
    This annotated bibliography of recent literature on diagnostic tests for color defect is presented as a scientific service of the Civil Aeromedical Institute.
  • The biophysical basis and clinical applications of rheoencephalography
    The biophysical basis and clinical applications of rheoencephalography.
    Seipel, John H.
    1967-05-01 | PDF
    A method for screening large populations for asymptomatic but potentially incapacitating cerebrovascular disease has obvious application in aviation medicine. Rheoencephalography (REG), a simple, rapid and innocuous method of studying the cranial circulation, was investigated for this purpose. A standardized, repeatable method involving tracing dur ...
  • Adaptation to vestibular disorientation VI Eyemovement and subjective turning responses to varied durations of angular acceleration
    Adaptation to vestibular disorientation. VI, Eye-movement and subjective turning responses to varied durations of angular acceleration.
    Guedry, Fred E. ;
    Collins, William E.
    1967-05-01 | PDF
    Turning sensations and eye movement responses during angular accelerations may show adaptation effects of significance to understanding vestibular reactions during certain aircraft maneuvers.In this study, a direct relationship found between duration of acceleration and (a) decline of response during acceleration, (b) rate of decline of response af ...
  • A protective passenger smoke hood
    A protective passenger smoke hood.
    McFadden, Ernest B. ;
    Reynolds, H.I.
    1967-04-01 | PDF
    Several recent jet transport accidents have focused the attention of the aviation industry upon smoke and toxic gases as causal factors of passenger incapacitation and failure to evacuate aircraft before fire and heat render the environment uninhabitable. If it were possible to provide passengers with a short duration supply of breathing air suffic ...
  • Development of techniques for evaluating the physiological protective efficiency of civil aviation oxygen equipment
    Development of techniques for evaluating the physiological protective efficiency of civil aviation oxygen equipment.
    McFadden, Ernest B.
    1967-04-01 | PDF
    A number of techniques for determining the protective efficiency of passenger and crew masks was developed, utilized and compared. In the case of newly developed passenger masks, subjects were exposed to a chamber flight profile designed around the National Aerospace Standard 1179. The two alternative methods of determining mask performance suggest ...
  • Problems in aerial application detection of mild poisoning by organophosphorus pesticides using and automated method for cholinesterase activity
    Problems in aerial application : detection of mild poisoning by organophosphorus pesticides using and automated method for cholinesterase activity.
    Fowler, Patsy R. ;
    McKenzie, Jess M.
    1967-04-01 | PDF
    In 1950 Koelle reported the use of thiolesters of choline in the histochemical detection of cholinesterase.
  • Adaptation to vestibular disorientation IV Responses to angular acceleration and to bilateral caloric stimulation following unilateral caloric habituation
    Adaptation to vestibular disorientation. IV, Responses to angular acceleration and to bilateral caloric stimulation following unilateral caloric habituation.
    Mertens, Ruth Ann ;
    Collins, William E.
    1967-01-01 | PDF
    The paper provides information that angular acceleration tests of the vestibular system transcend clinical caloric tests in revealing adaptation to angular accelerations as experienced in rotary motions, including flight situations. The caloric test is definitely not a substitute for angular acceleration tests. The vestibular system is the system p ...
  • Evaluation of various padding materials for crash protection
    Evaluation of various padding materials for crash protection.
    Swearingen, John J.
    1966-12-01 | PDF
    Thirty-seven different materials and combinations of materials were impacted with an instrumented dummy head at 15 ft/sec and at 30 ft/sec. Peak g forces, rise times, and deceleration durations were determined for both impact velocities on each test specimen and compared to base line impacts on the rigid base structure to determine the degree of en ...
  • Problems in aerial application histochemistry of Weil stain on liver
    Problems in aerial application : histochemistry of Weil stain on liver.
    Clark, George
    1966-11-01 | PDF
    By use of histochemical blocking and extraction procedures, it was possible to show that the cytoplasmic compound to which the Weil stain attaches is a lipid containing a secondary amine. It is suggested that the compound could be further characterized chemically. This material is increased in dieldrin and endrin poisoning and decreased in cold ada ...
  • Pilot vision considerations the effect of age on binocular fusion time
    Pilot vision considerations : the effect of age on binocular fusion time.
    Melton, Carlton E. ;
    Wicks, Marlene
    1966-10-01 | PDF
    The study provides data regarding the relationship between vision performance and age of the individual. It has direct application to pilot visual tasks with respect to instrument panel displays, and to controller visual tasks in association with radar equipment. It also relates to the visual parameter important to the determination of a physiologi ...
  • Exposure of men to intermittent photic stimulation under simulated IFR conditions
    Exposure of men to intermittent photic stimulation under simulated IFR conditions.
    Melton, C.E. ;
    Higgins, E.A.
    1966-10-01 | PDF
    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 we ...
1321 - 1340 / 1487