The effects of target vibration on the human contrast sensitivity function

<p>A great deal of research has been conducted on the effects of vibration on visual acuity. The human contrast sensitivity function (CSF) has also been studied extensively as a predictor of visual performance under real-world conditions. However, no previous studies have combined the two line...

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Main Author: Adams, William F.
Other Authors: Psychology
Format: Others
Language:en
Published: Virginia Tech 2014
Subjects:
Online Access:http://hdl.handle.net/10919/45591
http://scholar.lib.vt.edu/theses/available/etd-11102009-020033/
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spelling ndltd-VTETD-oai-vtechworks.lib.vt.edu-10919-455912021-05-15T05:26:44Z The effects of target vibration on the human contrast sensitivity function Adams, William F. Psychology Prestrude, Albert M. Crawford, Helen J. Conners, Richard W. LD5655.V855 1992.A322 Contrast sensitivity (Vision) <p>A great deal of research has been conducted on the effects of vibration on visual acuity. The human contrast sensitivity function (CSF) has also been studied extensively as a predictor of visual performance under real-world conditions. However, no previous studies have combined the two lines of research and examined the effect of vibration on the CSF. Prior research indicates that increasing rates of vibration correspond to a decrease in traditional measures of visual acuity. However, other studies indicate that motion enhances target detection. The present study examined the effects of vibration upon the CSF and found that vibration lowers the threshold of detection for low spatial frequencies but raises the threshold for high spatial frequencies. A loss of contrast at high spatial frequencies due to retinal "smear" may be the cause of this increase in high spatial frequency thresholds under vibration. Physiological mechanisms of motion detection, direction selectivity, and visual pathways are also discussed. This study may have important implications for aerospace medicine and occupations which demand viewing a target or instrument panel under conditons of vibration.</p> Master of Science 2014-03-14T21:49:22Z 2014-03-14T21:49:22Z 1992-04-16 2009-11-10 2009-11-10 2009-11-10 Thesis Text etd-11102009-020033 http://hdl.handle.net/10919/45591 http://scholar.lib.vt.edu/theses/available/etd-11102009-020033/ en OCLC# 26033508 LD5655.V855_1992.A322.pdf In Copyright http://rightsstatements.org/vocab/InC/1.0/ vi, 56 leaves BTD application/pdf application/pdf Virginia Tech
collection NDLTD
language en
format Others
sources NDLTD
topic LD5655.V855 1992.A322
Contrast sensitivity (Vision)
spellingShingle LD5655.V855 1992.A322
Contrast sensitivity (Vision)
Adams, William F.
The effects of target vibration on the human contrast sensitivity function
description <p>A great deal of research has been conducted on the effects of vibration on visual acuity. The human contrast sensitivity function (CSF) has also been studied extensively as a predictor of visual performance under real-world conditions. However, no previous studies have combined the two lines of research and examined the effect of vibration on the CSF. Prior research indicates that increasing rates of vibration correspond to a decrease in traditional measures of visual acuity. However, other studies indicate that motion enhances target detection. The present study examined the effects of vibration upon the CSF and found that vibration lowers the threshold of detection for low spatial frequencies but raises the threshold for high spatial frequencies. A loss of contrast at high spatial frequencies due to retinal "smear" may be the cause of this increase in high spatial frequency thresholds under vibration. Physiological mechanisms of motion detection, direction selectivity, and visual pathways are also discussed. This study may have important implications for aerospace medicine and occupations which demand viewing a target or instrument panel under conditons of vibration.</p> === Master of Science
author2 Psychology
author_facet Psychology
Adams, William F.
author Adams, William F.
author_sort Adams, William F.
title The effects of target vibration on the human contrast sensitivity function
title_short The effects of target vibration on the human contrast sensitivity function
title_full The effects of target vibration on the human contrast sensitivity function
title_fullStr The effects of target vibration on the human contrast sensitivity function
title_full_unstemmed The effects of target vibration on the human contrast sensitivity function
title_sort effects of target vibration on the human contrast sensitivity function
publisher Virginia Tech
publishDate 2014
url http://hdl.handle.net/10919/45591
http://scholar.lib.vt.edu/theses/available/etd-11102009-020033/
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