Search Results - "COWEY, A"

Using action understanding to understand the left inferior parietal cortex in the human brain by Passingham, R.E, Chung, A, Goparaju, B, Cowey, A, Vaina, L.M

“…Abstract Humans have a sophisticated knowledge of the actions that can be performed with objects. In an fMRI study we tried to establish whether this depends…”
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Magnetically induced phosphenes in sighted, blind and blindsighted observers by Cowey, Alan, Walsh, Vincent

“…Direct stimulation of visual cortex can produce illusory flashes of light, called phosphenes. Here we describe the spatial and motion properties of phosphenes…”
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Transneuronal retrograde degeneration of retinal ganglion cells and optic tract in hemianopic monkeys and humans by COWEY, Alan, ALEXANDER, Iona, STOERIG, Petra

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Segregation of Visual Selection and Saccades in Human Frontal Eye Fields by Juan, C.-H., Muggleton, N. G., Tzeng, O. J. L., Hung, D. L., Cowey, A., Walsh, V.

“…The premotor theory of attention suggests that target processing and generation of a saccade to the target are interdependent. Temporally precise transcranial…”
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Advances in broad bandwidth light sources for ultrahigh resolution optical coherence tomography by Unterhuber, A, Povazay, B, Bizheva, K, Hermann, B, Sattmann, H, Stingl, A, Le, T, Seefeld, M, Menzel, R, Preusser, M, Budka, H, Schubert, Ch, Reitsamer, H, Ahnelt, P K, Morgan, J E, Cowey, A, Drexler, W

“…Novel ultra-broad bandwidth light sources enabling unprecedented sub-2 microm axial resolution over the 400 nm-1700 nm wavelength range have been developed and…”
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Compact, low-cost Ti:Al2O3 laser for in vivo ultrahigh-resolution optical coherence tomography by Unterhuber, A, Povazay, B, Hermann, B, Sattmann, H, Drexler, W, Yakovlev, V, Tempea, G, Schubert, C, Anger, E M, Ahnelt, P K, Stur, M, Morgan, J E, Cowey, A, Jung, G, Le, T, Stingl, A

“…A compact, low-cost, prismless Ti:Al2O3 laser with 176-nm bandwidth (FWHM) and 20-mW output power was developed. Ultrahigh-resolution ophthalmic optical…”
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Transcranial magnetic stimulation : Which part of the current waveform causes the stimulation? by CORTHOUT, E, BARKER, A. T, COWEY, A

“…To investigate the mechanism of transcranial magnetic stimulation (TMS), we compared the directional effects of two stimulators (Magstim 200 and Magstim Super…”
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Task–specific impairments and enhancements induced by magnetic stimulation of human visual area V5 by Walsh, Vincent, Ellison, Amanda, Battelli, Lorella, Cowey, Alan

“…Transcranial magnetic stimulation (TMS) can be used to simulate the effects of highly circumscribed brain damage permanently present in some neuropsychological…”
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Left visuo-spatial neglect can be worse in far than in near space by Cowey, A, Small, M, Ellis, S

“…We tested five patients with marked left-sided visuo-spatial neglect and two control subjects on a test of line bisection. A series of horizontal lines was…”
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Preferential representation of the fovea in the primary visual cortex by Azzopardi, P, Cowey, A

“…The retinal fovea, which corresponds to the central degree or so of vision, is spatially over-represented in the visual cortex. It is about 0.01% of retina…”
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The role of the parietal cortex in visual attention—hemispheric asymmetries and the effects of learning: a magnetic stimulation study by Walsh, V, Ellison, A, Ashbridge, E, Cowey, A

“…Our previous studies of the role of the parietal cortex in visual learning and attention showed that the right parietal cortex is required for normal…”
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Delayed stoma formation in Fournier's gangrene by Bronder, C. S., Cowey, A., Hill, J.

“…Fournier's gangrene is traditionally treated with prompt surgical debridement and in many cases a diverting colostomy is also fashioned during the same…”
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Chromatic edges, surfaces and constancies in cerebral achromatopsia by Kentridge, R.W, Heywood, C.A, Cowey, A

“…We tested achromatopsic observer, MS, on a number of tasks to establish the extent to which he can process chromatic contour. Stimuli, specified in terms of…”
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Blindness to form from motion despite intact static form perception and motion detection by Cowey, A, Vaina, L.M

“…We studied the motion perception, including form and meaning generated by motion, in a hemianopic patient who also had visual perceptual impairments in her…”
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The co-involvement of the ventral and dorsal visual streams in spatial tasks investigated with dual-site TMS by Cowey, A, Ellison, A

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Quantitative distribution of GABA-immunopositive and -immunonegative neurons and synapses in the monkey striate cortex (area 17) by Beaulieu, C, Kisvarday, Z, Somogyi, P, Cynader, M, Cowey, A

“…The number of GABA-immunoreactive [GABA(+)] neurons and synapses was determined in functionally distinct subregions delineated as rich and poor in cytochrome…”
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Neurophysiological Mechanisms Underlying Face Processing within and beyond the Temporal Cortical Visual Areas [and Discussion] by Rolls, Edmund T., Cowey, A., Bruce, V.

“…The ways in which information about faces is represented and stored in the temporal lobe visual areas of primates, as shown by recordings from single neurons…”
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A distortion of perceived space in patients withright-hemisphere lesions and visual hemineglect by Irving-Bell, L, Small, M, Cowey, A

“…In twelve patients with left visuospatial hemineglect following acute right hemispherecerebrovascular accident (CVA), and in twelve normal controls, we used a…”
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Cerebral achromatopsia in monkeys by Heywood, C A, Gaffan, D, Cowey, A

“…In human cerebral achromatopsia, extrastriate cortical damage produces a severe or complete loss of colour vision, with relative sparing of non-chromatic…”
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(vi) Flexor tendon injuries by Torrie, P.A.G, Atwal, N, Sheriff, D, Cowey, A

“…Abstract Flexor tendon injuries are a commonly occurring and often challenging injury presenting to hand specialists that require meticulous surgical repair…”
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