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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 1261 - 1280 of 1486 results
  • Determination of centers of gravity of infants
    Determination of centers of gravity of infants.
    Swearingen, J.J. ;
    Badgley, J.M.
    1969-11-01 | PDF
    Recent efforts to provide effective restraint equipment for crash protection of infants in our transportation complex and to develop satisfactory flotation equipment for the little ones have revealed that there is a lack of data concerning the location of the c.g. (center of gravity) of this age group. This study was undertaken to fill this gap. Va ...
  • Motor effects from visually induced disorientation in man
    Motor effects from visually induced disorientation in man.
    Brecher, M. Herbert ;
    Brecher, Gerhard, A.
    1969-11-01 | PDF
    The problem of disorientation in a moving optical environment was examined. Egocentric disorientation can be experienced by a pilot if the entire visual environment moves relative to his body without a clue of the objective position of the airplane in respect to the ground. A simple method of measuring disorientation was devised. In this method cha ...
  • A comparison of the behavioral effects of various levels of chronic disulfoton poisoning
    A comparison of the behavioral effects of various levels of chronic disulfoton poisoning.
    Pearson, David W. ;
    Clark, George
    1969-10-01 | PDF
    Exposure of general aviation pilots to toxic pesticides has been reported as a possible cause of impairment of flying performance; in some instances it may have produced fatal results. Of particular concern and interest are the organophophates that are known to be AChE (acetylcholinesterase) inhibitors. It has been generally assumed that inhibition ...
  • Adaptation to vestibular disorientation XI The influence of specific and nonspecific gravireceptors on nystagmic responses to angular acceleration
    Adaptation to vestibular disorientation. XI, The influence of specific and nonspecific gravi-receptors on nystagmic responses to angular acceleration.
    Collins, William E. ;
    Updegraff, Billy P.
    1969-10-01 | PDF
    Data from several recent experiments indicate that the otoliths (detectors of linear acceleration) may exert regulatory effects on responses of the semicircular canals (detectors of angular acceleration). This study was designed to explore further this notion.Horizontal ocular nystagmus from restrained birds was habituated in a directionally specif ...
  • Recovery of motor performance following startle
    Recovery of motor performance following startle.
    Thackray, Richard I. ;
    Touchstone, R. Mark
    1969-10-01 | PDF
    Sudden, high-intensity sounds, such as those produced by sonic booms, can be quite startling. Although many studies have investigated physiological response to startle, much less is known concerning the effects of startle on performance. The present study was designed to provide further information concerning the extent to which startle disrupts pe ...
  • The safety significance of aircraft accident post mortem findings
    The safety significance of aircraft accident post mortem findings.
    Siegel, P.V. ;
    Mohler, S.R.
    1969-10-01 | PDF
    A review of post mortem examinations obtained in 1968 of pilot victims of general aviation aircraft accidents reveals that 51 percent of the pilot victims were studied by pathologists. The post mortem examination population above was taken from 687 pilot fatalities in general aviation accidents occurring within the United States in 1968. The percen ...
  • Timezone effects on the long distance air traveler
    Time-zone effects on the long distance air traveler.
    Siegel, P.V. ;
    Gerathewohl, Siegfried J.
    1969-09-01 | PDF
    Findings are presented on the consequences of rapidly crossing numerous time zones, such as occurs in present-day jet aircraft travel. Conclusions reached by FAA researchers and scientists of other laboratories are included, together with recommendations for overcoming time-zone fatigue. These recommendations are for use by the individual long dist ...
  • Effects of alcohol on complex performance
    Effects of alcohol on complex performance.
    Chiles, W. Dean ;
    Jennings, Alan E.
    1969-08-01 | PDF
    Nine subjects were tested on a battery of tasks involving monitoring (simple reaction time, choice reaction time, and meter monitoring), two-dimensional compensatory tracking, and mental arithmetic. Three workloads were presented--monitoring plus tracking, monitoring plus arithmetic, and monitoring plus tracking plus arithmetic.The subjects ingeste ...
  • The spiral aftereffect II Some influences of visual angle and retinal speed on the duration and intensity of illusory motion
    The spiral aftereffect. II, Some influences of visual angle and retinal speed on the duration and intensity of illusory motion.
    Williams, Mary Jane ;
    Collins, William E.
    1969-08-01 | PDF
    Visual illusions have been a persistent problem in aviation research. The spiral aftereffect (SAE) is an example of one type of visual illusion--that which occurs following the cessation of real motion. Duration and intensity of the SAE was evaluated under five conditions. Results indicate that perceived (rather than physical) characteristics of th ...
  • Methodology in the assessment of complex performance the effects of signal rate on monitoring a static process
    Methodology in the assessment of complex performance : the effects of signal rate on monitoring a static process.
    Chiles, W. Dean ;
    Bruni, Cheryl B.
    1969-08-01 | PDF
    This study concerned the rate of presentation of stimuli on a task involving the monitoring of a static process of the kind represented by aircraft warning light indicators. The task was performed concurrently with various combinations of tasks requiring the exercise of psychological functions representative of the demands placed on the human opera ...
  • Experimental comparison of trauma in lateral Gy rearwardfacing Gx and forwardfacing Gx body orientations when restrained by lap belt only
    Experimental comparison of trauma in lateral (+Gy) rearward-facing (+Gx), and forward-facing (-Gx) body orientations when restrained by lap belt only.
    Snyder, Richard G. ;
    Snow, Clyde C.
    1969-07-01 | PDF
    In this study, 24 anesthetized Savannah Baboons (Papio cynocephalus) restrained with a lap belt were subjected to a controlled series of lateral impacts at entrance velocities ranging from 36.4 ft./sec. (15g.) to 88.2 ft./ sec. (44g.) 1,200 g./sec. to 5,900 g./sec. rate of onset, for total durations of 0.076 to .100 second. Sixteen lateral tests we ...
  • The use of a tranquilizer chlordiazepoxide in flight training
    The use of a tranquilizer (chlordiazepoxide) in flight training.
    Melton, C.E. ;
    Hoffman, Marlene
    1969-07-01 | PDF
    Eleven male subjects were given flight training according to a conventional but rigidly standardized private pilot syllabus. On half of the dual flights chloridazepoxide was given; identical-appearing placebo capsules were given on the remaining dual flights. No treatment was given on solo flights. Differences could not be distinguished between tra ...
  • Occupations of active airmen
    Occupations of active airmen.
    Booze, Charles F.
    1969-07-01 | PDF
    Summary data with respect to occupational prevalence in the active airman population is presented according to major occupation groups utilized by the Bureau of the Census. Occupational characteristics of the active airman population are compared to the occupational characteristics of the general population of the United States. Type of flying enga ...
  • Complex performance during exposure to high temperatures
    Complex performance during exposure to high temperatures.
    Iampietro, P.F. ;
    Chiles, W.D.
    1969-06-01 | PDF
    The effects of high temperature on psychomotor performance and physiological function were studied on male pilots (age 30-51) holding a current medical certificate. A total of 41 runs were made at neutral (23.8C (75F), or hot (60.0C (140F), 71.1C (160F)) temperatures with low humidities (less than 20 mm. Hg at 60.0 and 71.1C). Heart rate (ECG), dee ...
  • Effects of two common medications on complex performance
    Effects of two common medications on complex performance.
    Chiles, W. Dean ;
    Gibbons, Harry L.
    1969-06-01 | PDF
    The performance of 10 subjects was measured over 4-hour periods following the administration of normal clinical dosages of Donnatal (two sessions), chlorpheniramine maleate (one session) and a placebo (one session) in a double blind experiment. Prior to the experiment, the subjects had been given extensive training on the battery of tasks used. The ...
  • Consistency of performance change and autonomic response as a function of expressed attitude toward a specific stress situation
    Consistency of performance change and autonomic response as a function of expressed attitude toward a specific stress situation.
    Pearson, David W. ;
    Thackray, Richard I.
    1969-04-01 | PDF
    Aviation occupations often require the performance of tasks under stressful conditions. Attempts to relate differences among individuals in performance under stress to personality variables have generally not been successful. Based upon responses to a fear of shock item in an attitude questionnaire describing numerous stressful situations, subjects ...
  • Patterns of physiological activity accompanying performance on a perceptualmotor task
    Patterns of physiological activity accompanying performance on a perceptual-motor task.
    Thackray, Richard I.
    1969-04-01 | PDF
    Air traffic controllers are required to spend considerable periods of time observing radar displays. Yet, information regarding physiological measures which best reflect the attentional process in complex vigilance tasks is generally lacking. As an initial approach to gaining such information, a number of physiological measures obtained during perf ...
  • Methodology in the assessment of complex human performance the effects of signal rate on monitoring a dynamic process
    Methodology in the assessment of complex human performance : the effects of signal rate on monitoring a dynamic process.
    Chiles, W. Dean ;
    Bruni, Cheryl Beveridge
    1969-04-01 | PDF
    Male subjects were tested after extensive training as two five-man 'crews' in an experiment designed to examine the effects of signal rate on the performance of a task involving the monitoring of a dynamic process. Performance was measured using three signal rates with several levels of workload induced by the simultaneous performance of different ...
  • Seat belt injuries in impact
    Seat belt injuries in impact.
    Snyder, R.G. ;
    Crosby, W.M.
    1969-03-01 | PDF
    Although the seat belt has been demonstrated to provide effective reduction of injuries and fatalities in automobile accidents by preventing ejection, a pattern of injuries directly attributable to impingement on the belt itself is becoming evident.This paper surveys the clinical evidence of restraint system injuries, discusses gross biomechanical ...
  • Experimental impact protection with advanced restraint systems preliminary primate with air bag and inertia reelinvertedy yoke torso harness
    Experimental impact protection with advanced restraint systems : preliminary primate with air bag and inertia reel/inverted-y yoke torso harness.
    Snyder, Richard G. ;
    Young, Joseph W.
    1969-02-01 | PDF
    Both the inverted-Y yoke torso harness with inertia reel and the air- bag restraint system have had extensive independent development for some time by several engineering and research organizations for both aviation and ground vehicle occupant protection. The research reported in this paper consists of the first biomechanical primate evaluation of ...
1261 - 1280 / 1486