133,611 research outputs found
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Degraded reality: Using VR/AR to simulate visual impairments
The effects of eye disease cannot be depicted accurately using traditional media. Consequently, public understanding of eye disease is often poor. We present a VR/AR system for simulating common visual impairments, including disability glare, spatial distortions (Metamorphopsia), the selective blurring and filling-in of information across the visual field, and color vision deficits. Unlike most existing simulators, the simulations are informed by patients' self-reported symptoms, can be quantitatively manipulated to provide custom disease profiles, and support gaze-contingent presentation (i.e., when using a VR/AR headset that contains eye-tracking technology, such as the Fove0). Such a simulator could be used as a teaching/empathy aid, or as a tool for evaluating the accessibility of new products and environments
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How do incorrect results change the processing of arithmetic information? Evidence from a divided visual field experiment
Despite several recent important developments in understanding numerical processing of both isolated numbers and numbers in the context of arithmetic equations, the relative impact of congruency on high, compared to low, level processing remains unclear. The current study investigated hemispheric differences in the processing of arithmetic material, as a function of semantic and perceptual congruency, using a delayed answer verification task and divided visual field paradigm. A total of 37 participants (22 females and 15 males, mean age 30.06, SD 9.78) were presented unilaterally or bilaterally with equation results that were either correct or incorrect and had a consistent or inconsistent numerical notation. Statistical analyses showed no visual field differences in a notation consistency task, whereas when judgements had to be made on mathematical accuracy there was a right visual field advantage for incorrect equations that were notation consistent. These results reveal a clear differential processing of arithmetic information by the two cerebral hemispheres with a special emphasis on erroneous calculations. Faced with incorrect results and with a consistent numerical notation, the left hemisphere outperforms its right counterpart in making mathematical accuracy decisions
Evaluating Trade Developments in Dairy Products
Replaced with revised version of paper 02/11/04.International Relations/Trade,
NLO predictions for Higgs boson pair production with full top quark mass dependence matched to parton showers
We present the first combination of NLO QCD matrix elements for di-Higgs
production, retaining the full top quark mass dependence, with a parton shower.
Results are provided within both the POWHEG-BOX and MadGraph5_aMC@NLO Monte
Carlo frameworks. We assess in detail the theoretical uncertainties and provide
differential results. We find that, as expected, the shower effects are
relatively large for observables like the transverse momentum of the Higgs
boson pair, which are sensitive to extra radiation. However, these shower
effects are still much smaller than the differences between the Born-improved
HEFT approximation and the full NLO calculation in the tails of the
distributions.Comment: replaced by published version; in addition typos corrected in
definition of pole coefficients below Eq.(2.4
Overview of the Status and Strangeness Capabilities of STAR
STAR is a large acceptance spectrometer capable of precision measurements of
a wide variety of strange particles. We discuss the STAR detector, its
configuration during the first two years of RHIC operation, and its initial
performance for Au+Au collisions. The expected performance for strangeness
physics and initial data on strange particle reconstruction in Au+Au collisions
are presented.Comment: Proceedings of the Fifth International Conference on Strangeness in
Quark Matter, Berkeley, California, July 20-25, 200
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Migrant workers in the East Midlands labour market 2010
This report is an update of previous intelligence (Migrant Workers in the East Midlands Labour Market 2007) on the profile and economic impact of migrant labour in the East Midlands economy
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