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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 1441 - 1460 of 1493 results
  • Experimental evaluation of work capacity as related to chronological and physiological aging
    Experimental evaluation of work capacity as related to chronological and physiological aging.
    Blake, Bruno
    1963-09-01 | PDF
    Research statistics has establish the fact that physical work capacity declines as a consequence of aging. The question has been raised, however, if this decline is the inevitable result of senescence or merely due to change in living habits. Great numbers of people have been observed no to comply with the statistics. One is inclined to explain suc ...
  • Inflight loss of consciousness a case report
    Inflight loss of consciousness : a case report.
    Tang, Pei Chin ;
    Dille, J. Robert
    1963-09-01 | PDF
    A case of inflight vertigo and loss of consciousness in a private pilot, flying alone, is presented. The differential diagnosis and the significance of the findings of 5-7 per second theta waves in his resting EEG and high voltage slow waves during caloric irrigation of his right ear are discussed.
  • A central factor in pure tone auditory fatigue
    A central factor in pure tone auditory fatigue.
    Wernick, Joel S. ;
    Tobias, Jerry V.
    1963-09-01 | PDF
    A long accumulation of psychophysical and physiological evidence indicates that auditory fatigue has its locus of effect in the cochlea; transfer studies with negative or questionable results, and studies of cochlear chemistry and potentials with positive results all lead to the same conclusion. However, Galambo’s reports of inhibition through effe ...
  • The visual perception of spatial extent
    The visual perception of spatial extent.
    Gogel, Walter C.
    1963-09-01 | PDF
    This study was concerned with the manner in which perceived depth and perceived frontoparallel size varied with physical distance and hence with each other. An equation expressing the relation between perceived frontoparallel size and physical depth was developed and applied to frontoparallel size judgments determined with four observers under two ...
  • Mechanisms of action of the insecticide endrin
    Mechanisms of action of the insecticide endrin.
    Emerson, Thomas E. ;
    Brake, Charles M.
    1963-08-01 | PDF
    Cardiovascular effects of endrin insecticide are obscure. Experiments to investigate this phenomenon were carried out on dogs and suggested mechanisms of actions have been proposed. Results show that acute administration of endrin produces bradycardia, hypertension, copious salivation, tonic-clonic convulsions, increased body temperature, leukocyto ...
  • Unsuspected neurologic disease in aviation personnel survival following seizures in flight
    Unsuspected neurologic disease in aviation personnel : survival following seizures in flight.
    Seipel, John H. ;
    Wentz, Arthur E.
    1963-08-01 | PDF
    The increasing use of private and commercial air transportation combined with the steady increase in recreational aviation have inevitably increased the likelihood of pilot failure caused by medical disability simply because there are more pilots in the air more frequently.
  • Nystagmus responses of the cat to rotation and to directionally equivalent and nonequivalent stimuli after unitaleral caloric habituation
    Nystagmus responses of the cat to rotation and to directionally equivalent and non-equivalent stimuli after unitaleral caloric habituation.
    Collins, William E.
    1963-08-01 | PDF
    Six cats were exposed to mild angular acceleration before and after an intervening serried of 15 caloric irrigations. All trials were in total darkness. Slow–phase displacement of the eyes, beat frequency, and duration of nystagmus were scored. All 3 measures reflected a decline in both the primary and the secondary caloric measures.Responses to ro ...
  • Application of a relative procedure to a problem in binaural beat perception
    Application of a "relative" procedure to a problem in binaural beat perception.
    Tobias, Jerry V.
    1963-08-01 | PDF
    The existence of binaural beats has long been considered an indication of binaural interaction for timing and for periodicity of information. In the past, bilaterally matched sound pressure or sensation levels have been used in the investigation of these beats and the measuring technique was one which may be termed absolute. However, the present st ...
  • Human survivability of extreme impacts in freefall
    Human survivability of extreme impacts in free-fall.
    Snyder, Richard G.
    1963-08-01 | PDF
    Human deceleration tolerances beyond the limits imposed by voluntary experimental methods were studied by means of intensive case histories of 137 individuals who have survived extremely abrupt impacts in accidental, suicidal, and homicidal free-falls.Fall distances ranged up to 275’ and calculated velocities up to 116 ft/sec (79 mph). Physical and ...
  • Chronic thrombotic obstruction of major pulmonary arteries report of a case successfully treated by thrombendarterectomy and a review of the literature
    Chronic thrombotic obstruction of major pulmonary arteries : report of a case successfully treated by thrombendarterectomy, and a review of the literature.
    Houk, Vernon N. ;
    Hufnagel, Charles A.
    1963-08-01 | PDF
    A case is reported of chronic massive thromboembolic occlusion of major pulmonary arterial branches successfully treated with embolectomy and endarterectomy. The historic features, physical signs and pathophysiologic alterations which form the basis for the diagnosis of this disorder are reviewed.
  • The mitigation of physical fatigue with spartase
    The mitigation of physical fatigue with "spartase".
    Nagle, Francis J. ;
    Balke, Bruno
    1963-07-01 | PDF
    Pharmacological and clinical observations have indicated that Spartase – the aspartic acid salts of potassium and magnesium – takes part in the intermediary metabolism and moderates physical fatigue.In this study attempts were made to evaluate effects of the drug on work capacity before and after episodes of physically fatiguing exercises. Work cap ...
  • Primary secondary and caloric nystagmus of the cat following habituation to rotation
    Primary, secondary, and caloric nystagmus of the cat following habituation to rotation.
    Collins, William E.
    1963-07-01 | PDF
    Ten cats were exposed to a series of above-threshold accelerations and sub-threshold decelerations.
  • In vivo measurement of total gas pressure in mammalian tissue
    "In vivo" measurement of total gas pressure in mammalian tissue.
    Lategola, Michael T.
    1963-07-01 | PDF
    An in vivo method for the quantitative estimation of total gas pressure in mammalian tissue has been established. This method utilizes a rigid-walled capsule specially constructed to be permeable to oxygen, carbon dioxide and nitrogen (O2, Co2, and N2), but negligible permeable to water vapor. The results obtained at equilibrium, after subcutaneous ...
  • The perception of depth from binocular disparity
    The perception of depth from binocular disparity.
    Gogel, Walter C.
    1963-05-01 | PDF
    This study was concerned with the factors involved in the perception of depth from a binocular disparity. A binocularly observed configuration of constant convergences, constant visual size, and having constant binocular disparities was made to appear at two different distances in a monocularly observed field-of-view. Both the perceived frontoparal ...
  • Studies of air loads on man
    Studies of air loads on man.
    Swearingen, John J. ;
    McFadden, Ernest B.
    1963-05-01 | PDF
    Data obtained in three different studies related to measurement of forces on the body due to air movement are summarized. The effects of short duration blast forces on personnel seated or standing at various distances from openings during pressure loss, blast forces necessary to disorient the body from numerous positions, effect of clothing on the ...
  • Pupillary movements during acute and chronic fatigue a new test for the objective evaluation of tiredness
    Pupillary movements during acute and chronic fatigue : a new test for the objective evaluation of tiredness.
    Lowenstein, Otto ;
    Feinberg, Richard
    1963-04-01 | PDF
    Spontaneous pupillary movements in darkness were recorded in1.healthy subjects of different ages when they were rested or fatigued,2.chronically tired subjects without known neurological defects, and3.patients with various neurological lesions.In some of the experiments, local or systemic drugs were used. While the pupils are large and quiet in dar ...
  • A simple field test for the assessment of physical fitness
    A simple field test for the assessment of physical fitness.
    Balke, Bruno
    1963-04-01 | PDF
    An essential factor in air safety is the physical and mental fitness of all personnel directly involved in operations of general, commercial, and military aviation. Standardization and classification of fitness, however, have not been established to a degree that would allow for much more than a differentiation between normal health and pathologica ...
  • Calibration of an electronic counter and pulse height analyzer for plotting erythrocyte volume spectra
    Calibration of an electronic counter and pulse height analyzer for plotting erythrocyte volume spectra.
    McKenzie, Jess M. ;
    Fowler, P.R.
    1963-03-01 | PDF
    A simple technique is presented for calibrating an electronic system used in the plotting of erythrocyte volume spectra. The calibration factors, once obtained, apparently remain applicable for some time. Precise estimates of calibration factors appear to be limited by errors in measuring hematocrit and/or mean channel. For consistent determination ...
  • Neural control of the ciliary muscle
    Neural control of the ciliary muscle.
    Melton, Carlton E.
    1963-03-01 | PDF
    The cat ciliary muscle was shown to respond to both parasympathetic and sympathetic nerve impulses in vitro. Sympathetic responses were directionally opposite to parasympathetic responses and are interpreted as active contractions of the radial muscle layer. Such contractions in the intact eye should result in accommodation of the eye for distant v ...
  • Relation of earphone transient response to measurement of onsetduration
    Relation of earphone transient response to measurement of onset-duration.
    Tobias, Jerry V. ;
    Jeffress, Lloyd A.
    1963-03-01 | PDF
    Measurements were made of the transient response of PDR-8 earphones. These data indicate that the original estimate of the onset-duration of auditory stimuli can be revised downward to 0.8 ms. Implicit in the results is a caveat on the faith one should have in the output of commonly used earphones with short- or single-transient inputs.
1441 - 1460 / 1493