نتایج جستجو برای: crowding distance

تعداد نتایج: 244654  

Journal: :Journal of vision 2017
Leo Yuk Ting Cheung Sing-Hang Cheung

Crowding impedes the identification of flanked objects in peripheral vision. Prior studies have shown crowding strength decreases with target-flanker similarity. Research on crowding in Chinese-character recognition has been scarce in the literature. We aimed to fill the research gap by examining the effects of structural similarity on Chinese-character crowding. Regularity in within-character ...

Journal: :Journal of vision 2007
Anirvan S Nandy Bosco S Tjan

Visual crowding refers to the marked inability to identify an otherwise perfectly identifiable object when it is flanked by other objects. Crowding places a significant limit on form vision in the visual periphery; its mechanism is, however, unknown. Building on the method of signal-clamped classification images (Tjan & Nandy, 2006), we developed a series of first- and second-order classificati...

2015
David Gnutt Mimi Gao Oliver Brylski Matthias Heyden Simon Ebbinghaus

Biomolecules evolve and function in densely crowded and highly heterogeneous cellular environments. Such conditions are often mimicked in the test tube by the addition of artificial macromolecular crowding agents. Still, it is unclear if such cosolutes indeed reflect the physicochemical properties of the cellular environment as the in-cell crowding effect has not yet been quantified. We have de...

Journal: :Trends in cognitive sciences 2011
David Whitney Dennis M Levi

Crowding, the inability to recognize objects in clutter, sets a fundamental limit on conscious visual perception and object recognition throughout most of the visual field. Despite how widespread and essential it is to object recognition, reading and visually guided action, a solid operational definition of what crowding is has only recently become clear. The goal of this review is to provide a...

2016
Qian Jin Hui Hu Philip Kavan

Studies on tourists crowding are developed to explore the perception of crowding, and these studies indicate crowding influence on sustainable development of tourist destinations. This study aims to reveal the influential factors of tourists’ perceived crowding. We obtained data from interviewing over 400 tourists and five senior tourism officials in Xi’an, China. This study firstly applies fac...

Journal: :European journal of orthodontics 2014
Colin Wallis Clare McNamara Susan J Cunningham Martyn Sherriff Jonathan R Sandy Anthony J Ireland

OBJECTIVES To assess the estimation of crowding by orthodontists and their subsequent extraction choices. MATERIALS AND METHODS Sixty-two orthodontists were asked to quantify crowding on eight lower arch study models using their preferred method and also to indicate possible extraction choices. For each model, the intermolar widths, intercanine widths, and clinical scenarios were identical, b...

2013
Christien van der Linden Resi Reijnen Robert W Derlet Robert Lindeboom Naomi van der Linden Cees Lucas John R Richards

BACKGROUND In The Netherlands, the state of emergency department (ED) crowding is unknown. Anecdotal evidence suggests that current ED patients experience a longer length of stay (LOS) compared to some years ago, which is indicative of ED crowding. However, no multicenter studies have been performed to quantify LOS and assess crowding at Dutch EDs. We performed this study to describe the curren...

2012
Bianca Huurneman F Nienke Boonstra Ralf FA Cox Antonius HN Cillessen Ger van Rens

BACKGROUND This systematic review gives an overview of foveal crowding (the inability to recognize objects due to surrounding nearby contours in foveal vision) and possible interventions. Foveal crowding can have a major effect on reading rate and deciphering small pieces of information from busy visual scenes. Three specific groups experience more foveal crowding than adults with normal vision...

1994
Gerald G. Gaes

Dramatic increases in the United States' inmate population has raised new concerns about prison crowding. Although growth in prison capacity has lagged slightly behind that of the inmate population, there is no consistent evidence that crowding is associated with mortality, morbidity (defined as clinic utilization), recidivism, violence, or other pathological behaviors. This paper reviews the m...

Journal: :NeuroImage 2014
Vitaly Chicherov Gijs Plomp Michael H. Herzog

In visual crowding, target discrimination strongly deteriorates when flanking elements are added. We have recently shown that crowding cannot be explained by simple low-level interactions and that grouping is a key component instead. We presented a vernier flanked by arrays of vertical lines. When the flankers had the same lengths as the vernier, offset discrimination was strongly impaired. Whe...

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