Search Results - "Humphreys, G.W"

Separating distractor rejection and target detection in posterior parietal cortex—an event-related fMRI study of visual marking by Pollmann, S, Weidner, R, Humphreys, G.W, Olivers, C.N.L, Müller, K, Lohmann, G, Wiggins, C.J, Watson, D.G

“…Successful survival in a competitive world requires the employment of efficient procedures for selecting new in preference to old information. Recent…”
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The effect of target foreknowledge on visual search for categorically separable orientation targets by Hodsoll, J.P., Humphreys, G.W.

“…This research note assesses the role of target foreknowledge in visual search for categorically defined orientation targets, as first described by Wolfe et al…”
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Brain activity related to integrative processes in visual object recognition: bottom-up integration and the modulatory influence of stored knowledge by Gerlach, C, Aaside, C.T, Humphreys, G.W, Gade, A, Paulson, O.B, Law, I

“…We report evidence from a PET activation study that the inferior occipital gyri (likely to include area V2) and the posterior parts of the fusiform and…”
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Attentional shifts to salient distractors are dependent on preparatory processing in the right posterior parietal cortex by Hodsoll, J.P, Mevorach, C, Humphreys, G.W

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The eyes have it: An exploration of eye movements in action disorganisation syndrome by Forde, E.M.E., Rusted, J., Mennie, N., Land, M., Humphreys, G.W.

“…We examined eye movements in a patient, FK, who has action disorganisation syndrome (ADS), as he performed the everyday task of making a cup of tea. We…”
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Previewing distracters reduces their effective contrast by Allen, H.A., Humphreys, G.W.

“…In a visual search task, when half the distracters are presented earlier than the remainder (‘previewed’), observers find the target item more efficiently than…”
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Ideational action impairments in Alzheimer’s disease by Chainay, H., Louarn, C., Humphreys, G.W.

“…We report data from a group of patients with mild Alzheimer’s disease on a range of tasks requiring either stored semantic knowledge about objects (e.g.,…”
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A psychophysical investigation into the preview benefit in visual search by Allen, H.A., Humphreys, G.W.

“…In preview search, half of the distracters are presented ahead of the remaining distracters and the target. Search under these conditions is more efficient…”
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SEarch via Recursive Rejection (SERR): A Connectionist Model of Visual Search by Humphreys, Glyn W, Muller, Hermann J

“…A connectionist model, SEarch via Recursive Rejection (SERR), is presented that performs across a window defining the model's functional field. Implications…”
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Coding space within but not between objects: evidence from Balint’s syndrome by Cooper, A.C.G, Humphreys, G.W

“…The ability to make spatial judgements was examined in a patient demonstrating poor perception of multiple objects following bilateral parietal lesions, under…”
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A neuro-imaging investigation of action and tool processing by Phillips, J.A., Noppeney, U., Humphreys, G.W., Price, C.J.

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Discussion by Humphreys, G.W., Turnbull, O.

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Discussion by Humphreys, G.W., Turnbull, O.

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Don’t think twice, it's all right—contralesional dependency for bimanual prehension movements by Punt, T.D., Riddoch, M.J., Humphreys, G.W.

“…In bimanual coordination when moving the hands to two separate objects, subjects tend to initiate and terminate the movements together, even when the targets…”
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Pointing and grasping in unilateral visual neglect: effectof on-line visual feedback in grasping by Edwards, M.G, Humphreys, G.W

“…Three experiments are reported examining judgements of the centre of a stick in a patientwith unilateral neglect after right hemisphere damage. Replicating…”
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Contrasting effects of wordlength and visual contrast in fusiform and lingual gyri during reading by Mechelli, A., Humphreys, G.W., Mayall, K., Olson, A., Price, C.J.

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Are Phonemic Effects in Backward Masking Evidence for Automatic Prelexical Phonemic Activation in Visual Word Recognition? by Verstaen, A., Humphreys, G.W., Olson, A.

“…Recently, several pieces of evidence have led to a resurgence in the popularity of phonologically based approaches to visual word recognition. We review one…”
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Facial Processing and the Delusional Misidentification Syndromes by Oyebode, F., Edelstyn, N.M.J., Humphreys, G.W., Booker, E.

“…Research indicates that the delusional misidentification syndromes (DMS) are linked to right hemisphere dysfunction. However, the extent and nature of any…”
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Cognitive neuropsychology of delusional misidentification syndromes by Oyebode, F., Edelstyn, N.M.J., Riddoch, N.M.J., Humphreys, G.W.

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Psychophysical analyses of contour processing in humans: the case for qualitative tests by Humphreys, G.W., Free, Linda, Gilchrist, I.D.

“…In this paper, we present the case for qualitative analyses of human vision to provide constraints on computational models. The case is illustrated by examples…”
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