Search Results - "CRAWFORD, J. D"

Occipital and parietal cortex participate in a cortical network for transsaccadic discrimination of object shape and orientation by Baltaretu, B. R., Stevens, W. Dale, Freud, E., Crawford, J. D.

“…Saccades change eye position and interrupt vision several times per second, necessitating neural mechanisms for continuous perception of object identity,…”
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Impairment in instrumental activities of daily living with high cognitive demand is an early marker of mild cognitive impairment: the Sydney memory and ageing study by Reppermund, S, Brodaty, H, Crawford, J D, Kochan, N A, Draper, B, Slavin, M J, Trollor, J N, Sachdev, P S

“…Criteria for mild cognitive impairment (MCI) consider impairment in instrumental activities of daily living (IADL) as exclusionary, but cross-sectional studies…”
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Spatial Transformations for Eye-Hand Coordination by Crawford, J. D, Medendorp, W. P, Marotta, J. J

“…1 Canadian Institutes of Health Research Group for Action and Perception, 2 York Centre for Vision Research, Departments of Psychology, Biology, and…”
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Cortical Activation during Landmark-Centered vs. Gaze-Centered Memory of Saccade Targets in the Human: An FMRI Study by Chen, Ying, Crawford, J D

“…A remembered saccade target could be encoded in egocentric coordinates such as gaze-centered, or relative to some external allocentric landmark that is…”
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Evaluation of phylogenetic relationships in Lemnaceae using nuclear ribosomal data by Tippery, N. P., Les, D. H., Crawford, D. J.

“…Nuclear DNA sequence data are essential for obtaining a complete understanding of plant species relationships, yet these data have been conspicuously absent…”
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Prevalence and characteristics of depression in mild cognitive impairment: the Sydney Memory and Ageing Study by Shahnawaz, Z., Reppermund, S., Brodaty, H., Crawford, J. D., Draper, B., Trollor, J. N., Sachdev, P. S.

“…Shahnawaz Z, Reppermund S, Brodaty H, Crawford JD, Draper B, Trollor JN, Sachdev PS. Prevalence and characteristics of depression in mild cognitive impairment:…”
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Transcranial Magnetic Stimulation Over Human Dorsal-Lateral Posterior Parietal Cortex Disrupts Integration of Hand Position Signals Into the Reach Plan by Vesia, Michael, Yan, Xiaogang, Henriques, Denise Y, Sergio, Lauren E, Crawford, J. D

“…1 Centre for Vision Research, Canadian Institutes of Health Research Group on Action and Perception; 2 Department of Psychology, 3 Department of Biology, 4…”
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The relationship of current depressive symptoms and past depression with cognitive impairment and instrumental activities of daily living in an elderly population: The Sydney Memory and Ageing Study by Reppermund, S, Brodaty, H, Crawford, J.D, Kochan, N.A, Slavin, M.J, Trollor, J.N, Draper, B, Sachdev, P.S

“…Abstract Depressive symptoms are common in the elderly and they have been associated with cognitive and functional impairment. However, relatively less is…”
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The effects of TMS over dorsolateral prefrontal cortex on trans-saccadic memory of multiple objects by Tanaka, L.L., Dessing, J.C., Malik, P., Prime, S.L., Crawford, J.D.

“…Humans typically make several rapid eye movements (saccades) per second. It is thought that visual working memory can retain and spatially integrate three to…”
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Transsaccadic integration of visual features in a line intersection task by PRIME, Steven L, NIEMEIER, Matthias, CRAWFORD, J. D

“…Transsaccadic integration (TSI) refers to the perceptual integration of visual information collected across separate gaze fixations. Current theories of TSI…”
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Hemispheric Asymmetry in Memory-Guided Pointing During Single-Pulse Transcranial Magnetic Stimulation of Human Parietal Cortex by Vesia, Michael, Monteon, Jachin A, Sergio, Lauren E, Crawford, J. D

“…1 Canadian Institutes of Health Research Group on Action and Perception, 2 Centre for Vision Research and 3 Departments of Psychology, 4 Kinesiology and Health…”
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Role of Eye, Head, and Shoulder Geometry in the Planning of Accurate Arm Movements by Henriques, D.Y.P, Crawford, J. D

“…  1 Centre for Vision Research,   2 Canadian Institutes of Health Research Group for Action and Perception,   3 Department of Psychology,   4 Department of…”
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Coordinate transformations for hand-guided saccades by Ren, L, Crawford, J. D

“…Relatively little is known about the role of proprioception in eye-hand coordination. In a previous article (Ren et al. J Neurophysiol 96:1464-1477, 2006), we…”
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Speciation and Biogeography of Erigeron (Asteraceae) in the Juan Fernández Archipelago, Chile, Based on AFLPs and SSRs by López-Sepúlveda, P., Takayama, K., Greimler, J., Crawford, D. J., Peñailillo, P., Baeza, M., Ruiz, E., Kohl, G., Tremetsberger, K., Gatica, A., Letelier, L., Novoa, P., Novak, J., Stuessy, T. F.

“…Oceanic islands provide many opportunities for examining modes of speciation in endemic plants, especially using modern molecular methods. Most speciation has…”
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Proprioceptive Guidance of Saccades in Eye-Hand Coordination by Ren, L, Khan, A. Z, Blohm, G, Henriques, D.Y.P, Sergio, L. E, Crawford, J. D

“…1 Centre for Vision Research and 2 Departments of Kinesiology and Health Science, 3 Psychology, and 4 Biology, York University, Toronto; and 5 Canadian…”
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Optic ataxia errors depend on remapped, not viewed, target location by Rossetti, Y, Khan, A Z, Pisella, L, Vighetto, A, Cotton, F, Luauté, J, Boisson, D, Salemme, R, Crawford, J D

“…Optic ataxia is a disorder associated with posterior parietal lobe lesions, in which visually guided reaching errors typically occur for peripheral targets. It…”
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Frames of Reference for Gaze Saccades Evoked During Stimulation of Lateral Intraparietal Cortex by Constantin, A. G, Wang, H, Martinez-Trujillo, J. C, Crawford, J. D

“…1 Centre for Vision Research, 2 Canadian Institute of Health Research Group for Action and Perception, and 3 Department of Biology, York University, Toronto,…”
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Clonal diversity in the rare Calamagrostis porteri ssp. insperata (Poaceae): comparative results for allozymes and random amplified polymorphic DNA (RAPD) and intersimple sequence repeat (ISSR) markers by ESSELMAN, E. J., JIANQIANG, L., CRAWFORD, D. J., WINDUS, J. L., WOLFE, A. D.

“…Four populations of the rare, highly clonal grass Calamagrostis porteri ssp. insperata were examined using allozymes and the two polymerase chain reaction…”
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The Vascular Behavioral and Cognitive Disorders criteria for vascular cognitive disorders: a validation study by Sachdev, P. S., Lipnicki, D. M., Crawford, J. D., Brodaty, H.

“…Background and purpose The Vascular Behavioral and Cognitive Disorders (VASCOG) criteria for vascular cognitive disorders were published in 2014, but their…”
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Comparing limb proprioception and oculomotor signals during hand-guided saccades by REN, L, BLOHM, G, CRAWFORD, J. D

“…We previously showed that saccades tend to overshoot briefly flashed targets that were manually displaced in the dark (Ren et al. 2006). However it was not…”
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