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Tuesday, August 4, 2020 | History

3 edition of Two-flash thresholds as a function of comparison stimulus duration found in the catalog.

Two-flash thresholds as a function of comparison stimulus duration

Mark F. Lewis

Two-flash thresholds as a function of comparison stimulus duration

by Mark F. Lewis

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  • 1 Currently reading

Published by Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine in [Washington, D.C.] .
Written in English

    Subjects:
  • Visual acuity.,
  • Aerospace Medicine.,
  • Photic Stimulation.

  • Edition Notes

    StatementMark F. Lewis, Henry W. Mertens.
    SeriesAM -- 70-15., AM (United States. Office of Aviation Medicine) -- 70-15.
    ContributionsMertens, Henry W., United States. Office of Aviation Medicine.
    The Physical Object
    Pagination4 p. ;
    ID Numbers
    Open LibraryOL15556269M

    A cognitive-behavioural theory (CBT) has been put forth to explain hypochondriasis and less extreme forms of health anxiety (Warwick & Salkovskis, ). The extent to which less extreme forms of health anxiety are relevant for understanding illness behaviour remains unclear, however. Further, the independence of health anxiety from a more general construct of negative affectivity, as well as Cited by: 1. Soc., Vol. 38, No. 12, Decernbel PAPERS ANALOG - TO - DIGITAL CONVERSION shaped quantization noise is approximately dB. for the open - loop transfer function, This target SQNR will allow us to determine the op - HLDSM AID converter, which erating conditions for the is to be realized in hardware. Stability Analysis of.

      What is claimed is: 1. A system, comprising: an interactive head-mounted eyepiece worn by a user, wherein the eyepiece includes an optical assembly through which the user views a surrounding environment and displayed content, an integrated processor for handling content for display to the user, and an integrated image source for introducing the content to the optical assembly; a sensor that. TC dc22 British Cataloguing in Publication Data A Cataloguing in Publication record for this book is available from the British Library. All work contributed to this book is new, previously-unpublished material. The views expressed in this book are those of the authors, but not necessarily of the publisher.

    For example, in biomedical research, there is a natural tension between allocating fixed resources to pursue basic versus applied studies.2 As research becomes necessarily more collaborative, medical school promotion and tenure committees must balance the value of intellectual independence with the ability to function productively as a member. In comparison with the twenties, the thirties was a period in which very little independent or experimental film-making took place. In Hollywood, the power of the producer was enormously en- hanced. Technically, sound, while it introduced new possibilities (sca- rcely realised), also introduced new obstacles and a chain of bizarre secondary.


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Two-flash thresholds as a function of comparison stimulus duration by Mark F. Lewis Download PDF EPUB FB2

Two-flash thresholds as a function of comparison stimulus duration 4 p. (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Book, Computer File, Internet Resource: All Authors / Contributors: Mark F Lewis; Henry W Mertens; United States.

Office of Aviation Medicine. The proposal that two-flash thresholds may be used as direct measures of the critical duration (tc) of Bloch's law was tested. Two-flash threshold was found to be an increasing function of comparison stimulus duration for durations of 3 to 22 msec.

indicating that two-flash threshold does not measure by: 3. The proposal that two-flash thresholds may be used as direct measures of the critical duration (tc) of Bloch's law was tested.

Two-flash threshold was found to be an increasing function of comparison stimulus duration for durations of 3 to 22 msec. i Cited by: Characterising the effective intensity of multiple-pulse flashing signal lights Article in Lighting Research and Technology 45(3) June with 26 Reads How we measure 'reads'.

Lewis MF, Mertens, HW: Two-flash thresholds as a function of comparison stimulus duration. AD Snow CC, Carroll JJ, Allgood MA: Survival in emergency escape from passenger aircraft.

AD Collins WE: Effective approaches to disorientation familiarization for aviation personnel. AD Full text of "Air University periodical index" See other formats.

Experiment 2. Temporal impulse response functions were estimated from the TCSFs (e.g., Kelly, ; Roufs, ) determined for 4 of the normal observers who participated also in Experiment 1, and for 3 subjects with IN (Table 1).Stimuli were presented at a mean luminance of 65 cd/m 2 on the same Image Systems monitor that was used in Experiment by: 5.

Comparison of the results obtained from these two manipulations showed that increasing duration reduced two-flash thresholds by 42 msec and 52 msec for two subjects while increasing intensity.

Eisler, H. Experiments on subjective duration &#x; A collection of power function experiments. Psychological Bulletin,83, &#x; CrossRef Google ScholarCited by: As m the preceding figures brightness estimates are plotted on the ordinate.

For comparison we also plotted the brightness estimates for 5-sec flashes from Fig. The a Brightness sensation in a ganzfeld Fig. Brightness estimates as a function of light intensity for flashes of different duration in the by: Two-flash illusion.

A form of sensorineural hearing loss that occurs as a function of age and is usually associated with a decrease in the ability to hear high frequencies. Since this loss also appears to be related to exposure to environmental sounds, it is also called sociocusis. pitch, and duration. Differences in timbre are.

The amplitude of the TIRF derived from the average normal TCSF data is much higher than the amplitude determined in Experiment 1 from 2-flash data (compare values in Table 2, Table 3; t [df=10] =p = × 10 −8).This difference reflects the observers’ substantially higher contrast sensitivity for a temporally and spatially extended sinusoidal flickering grating than for a briefly Cited by: 5.

FAA/AM/15 - Two-flash thresholds as a function of comparison stimulus duration. FAA/AM/16 - Survival in emergency escape from passenger aircraft. FAA/AM/17 - Effective approaches to disorientation familiarization for aviation personnel.

Thurlow, Willard R. & Mergener, James R. Effect of stimulus duration on localization of direction of noise stimuli. Journal of Speech & Hearing Research,13(4), Localization of the direction of bursts of thermal noise by untrained under- graduates was measured for both high- low- frequency bands, as a function of duration of bursts.

Table of contents for Quarterly Journal of Experimental Psychology, 18, 4, Table Statistical comparisons of mean anesthetic and normal saline duration time in minutes. Table 9: Mean anesthesia duration in minutes.

Variable U4.A U6.A L4.A L6.A Mean Table Statistical comparisons of normal saline duration time in minutes. Full text of "Beginning experimental psychology" See other formats. Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Quarterly Journal of Experimental Psychology: No 4 Cart. Contents. introduction 1 3 17 23 37 47 55 67 articles The myth of content The well of clarity The eye of the mind Seven pillars Atalanta Fugiens Drag me!.

Abstract. In early phase clinical trials of new medicines, two of the major CNS pharmacodynamic questions that can be directly and widely addressed are first, whether the compounds have positive or negative effects on aspects of cognitive function and second, whether they will alter various mood states.The effect of duration post-migraine on visual electrophysiological and visual field performance in people with migraine.

Cephalalgia34, 42– [Google Scholar] Khalil, N.M. Investigations of Visual Function in Migraine Using Visual Evoked Potentials and Visual Psychophysical by: 1.LOWER-LEVEL VISUAL PROCESSING AND MODELS OF LIGHT ADAPTATION LOWER-LEVEL VISUAL PROCESSING AND MODELS OF LIGHT ADAPTATION Hood, D.

C. Background: The Need for a Model of Adaptation For years, certainly since the work of Helmholtz, Hering, and Mach, the role played by the retina in human vision has been a concern of both .