نتایج جستجو برای: useful field of view ufov

تعداد نتایج: 21235639  

Journal: :Optometry and vision science : official publication of the American Academy of Optometry 2005
Olivio J Clay Virginia G Wadley Jerri D Edwards David L Roth Daniel L Roenker Karlene K Ball

PURPOSE Driving is a complex behavior that requires the utilization of a wide range of individual abilities. Identifying assessments that not only capture individual differences, but also are related to older adults' driving performance would be beneficial. This investigation examines the relationship between the Useful Field of View (UFOV) assessment and objective measures of retrospective or ...

Journal: :Schizophrenia bulletin 2014
Bradley E Gray Britta Hahn Benjamin Robinson Alex Harvey Carly J Leonard Steven J Luck James M Gold

Recent studies suggest that people with schizophrenia (PSZ) have difficulty distributing their attention broadly. Other research suggests that PSZ have reduced working memory (WM) capacity. This study tested whether these findings reflect a common underlying deficit. We measured the ability to distribute attention by means of the Useful Field of View (UFOV) task, in which participants must dist...

Journal: :Psychology and aging 2005
Lesa Hoffman Joan M McDowd Paul Atchley Richard Dubinsky

This study evaluated the role of visual attention (as measured by the DriverScan change detection task and the Useful Field of View Test [UFOV]) in the prediction of driving impairment in 155 adults between the ages of 63 and 87. In contrast to previous research, participants were not oversampled for visual impairment or history of automobile accidents. Although a history of automobile accident...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده ادبیات و علوم انسانی 1392

an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2014
Jeffrey S Nelson Olav I Christianson Beth A Harkness Mark T Madsen Eugene Mah Stephen R Thomas Habib Zaidi Ehsan Samei

UNLABELLED Because γ cameras are generally susceptible to environmental conditions and system vulnerabilities, they require routine evaluation of uniformity performance. The metrics for such evaluations are commonly pixel value-based. Although these metrics are typically successful at identifying regional nonuniformities, they often do not adequately reflect subtle periodic structures; therefor...

Journal: :Gerontology 2014

Journal: :Gerontechnology : international journal on the fundamental aspects of technology to serve the ageing society 2010
Sandra M McKay Brian E Maki

A computer-based 'Useful Field of View' (UFOV) training program has been shown to be effective in improving visual processing in older adults. Studies of young adults have shown that playing video games can have similar benefits; however, these studies involved realistic and violent 'first-person shooter' (FPS) games. The willingness of older adults to play such games has not been established. ...

2016
Shannon M. Sorenson M. SORENSON Paul G. Nestor

The present study evaluates the effectiveness of Posit Science Cortex™ with Insight Drive Sharp™ as a tool for improving neuropsychological functioning in a normal aging sample. The purpose of the DriveSharp™ training program is to help an individual improve his or her visual attention and useful field of view. Each exercise continually adapts to the individual's performance so that the trainin...

Journal: :The Gerontologist 2009
Jerri D Edwards Charlsie Myers Lesley A Ross Daniel L Roenker Gayla M Cissell Alexis M McLaughlin Karlene K Ball

PURPOSE To examine how cognitive speed of processing training affects driving mobility across a 3-year period among older drivers. DESIGN AND METHODS Older drivers with poor Useful Field of View (UFOV) test performance (indicating greater risk for subsequent at-fault crashes and mobility declines) were randomly assigned to either a speed of processing training or a social and computer contact...

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