Search Results - "DARBY, D. G"

Pathophysiological topography of acute ischemia by combined diffusion-weighted and perfusion MRI by DARBY, D. G, BARBER, P. A, GERRATY, R. P, DESMOND, P. M, YANG, Q, PARSONS, M, LI, T, TRESS, B. M, DAVIS, S. M

“…Combined echoplanar MRI diffusion-weighted imaging (DWI), perfusion imaging (PI), and magnetic resonance angiography (MRA) can be used to visualize acute brain…”
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Prediction of stroke outcome with echoplanar perfusion- and diffusion-weighted MRI by BARBER, P. A, DARBY, D. G, DESMOND, P. M, YANG, Q, GERRATY, R. P, JOLLEY, D, DONNAN, G. A, TRESS, B. M, DAVIS, S. M

“…We examined the utility of echoplanar magnetic resonance perfusion imaging and diffusion-weighted imaging (DWI) in predicting stroke evolution and outcome in…”
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Identification of major ischemic change: Diffusion-weighted imaging versus computed tomography by BARBER, P. A, DARBY, D. G, DESMOND, P. M, GERRATY, R. P, YANG, Q, LI, T, JOLLEY, D, DONNAN, G. A, TRESS, B. M, DAVIS, S. M

“…Thrombolytic therapy is not recommended in patients with CT changes of recent major infarction, which has been defined as reduced attenuation or cerebral edema…”
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Qualitative mapping of cerebral blood flow and functional localization with echo-planar MR imaging and signal targeting with alternating radio frequency by Edelman, R R, Siewert, B, Darby, D G, Thangaraj, V, Nobre, A C, Mesulam, M M, Warach, S

“…To create qualitative maps of cerebral blood flow (CBF) with the EPISTAR (echo-planar imaging and signal targeting with alternating radio frequency) technique…”
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Psychometric issues associated with computerised neuropsychological assessment of concussed athletes by Collie, A, Maruff, P, McStephen, M, Darby, D G

“…Psychometric issues associated with computerised neuropsychological assessment in sports concussion are put forward. Issues critical to ensuring test…”
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Computerised cognitive assessment of concussed Australian Rules footballers by Makdissi, M, Collie, A, Maruff, P, Darby, D G, Bush, A, McCrory, P, Bennell, K

“…Background—“Paper and pencil” neuropsychological tests play an important role in the management of sports related concussions. They provide objective…”
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Absent middle cerebral artery flow predicts the presence and evolution of the ischemic penumbra by BARBER, P. A, DAVIS, S. M, DARBY, D. G, DESMOND, P. M, GERRATY, R. P, YANG, Q, JOLLEY, D, DONNAN, G. A, TRESS, B. M

“…In acute ischemic stroke the pattern of a perfusion-imaging (PI) lesion larger than the diffusion-weighted imaging (DWI) lesion may be a marker of the ischemic…”
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Serial study of apparent diffusion coefficient and anisotropy in patients with acute stroke by QING YANG, TRESS, B. M, BARBER, P. A, DESMOND, P. M, DARBY, D. G, GERRATY, R. P, TING LI, DAVIS, S. M

“…We sought to characterize the evolution of apparent diffusion coefficient (ADC) and apparent diffusion anisotropy (ADA) in acute stroke and to evaluate their…”
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Statistical procedures for determining the extent of cognitive change following concussion by Collie, A, Maruff, P, Makdissi, M, McStephen, M, Darby, D G, McCrory, P

“…Neuropsychological (NP) testing is now often used to help to determine if the cognitive function of a concussed athlete has declined. The NP test score after…”
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Prefrontal cortex fMRI signal changes are correlated with working memory load by Manoach, Dara S, Schlaug, Gottfried, Siewert, Bettina, Darby, David G, Bly, Benjamin Martin, Benfield, Andrew, Edelman, Robert R, Warach, Steven

“…WE investigated whether a nonspatial working memory (WM) task would activate dorsolateral prefrontal cortex (DLPFC) and whether activation would be correlated…”
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Reliability and usability of an internet-based computerized cognitive testing battery in community-dwelling older people by Darby, D.G., Fredrickson, J., Pietrzak, R.H., Maruff, P., Woodward, M., Brodtmann, A.

“…•Web-based cognitive testing was acceptable to healthy older people.•Valid baseline tests suitable for future comparisons completed by all but 5%.•Less than…”
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D-cycloserine added to clozapine for patients with schizophrenia by Goff, D C, Tsai, G, Manoach, D S, Flood, J, Darby, D G, Coyle, J T

“…The effects of D-cycloserine added to clozapine were assessed and compared with previous results for D-cycloserine plus conventional neuroleptics. Ten…”
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The Value of Apparent Diffusion Coefficient Maps in Early Cerebral Ischemia by Desmond, Patricia M, Lovell, Amanda C, Rawlinson, Andrew A, Parsons, Mark W, Barber, P. Alan, Yang, Qing, Li, Ting, Darby, David G, Gerraty, Richard P, Davis, Steven M, Tress, Brian M

“…Prediction of the regions of the ischemic penumbra that are likely to progress to infarction is of great clinical interest. Whether lowered apparent diffusion…”
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EEG-triggered echo-planar functional MRI in epilepsy by WARACH, S, IVES, J. R, SCHLAUG, G, PATEL, M. R, DARBY, D. G, THANGARAJ, V, EDELMAN, R. R, SCHOMER, D. L

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Cerebral activation covaries with movement rate by Schlaug, G, Sanes, J N, Thangaraj, V, Darby, D G, Jäncke, L, Edelman, R R, Warach, S

“…An important aspect in brain activation studies is the relationship between neuronal activity and measurable indices of function. We applied functional…”
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Sensory aprosodia : a clinical clue to lesions of the inferior division of the right middle cerebral artery ? by DARBY, D. G

“…Isolated infarction in the territory of the inferior division of the right middle cerebral artery (MCA) is often associated with subtle clinical features…”
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Combined (1)H MR spectroscopy and diffusion-weighted MRI improves the prediction of stroke outcome by Parsons, M W, Li, T, Barber, P A, Yang, Q, Darby, D G, Desmond, P M, Gerraty, R P, Tress, B M, Davis, S M

“…The prognostic value of the biochemical changes seen with proton MR spectroscopy (1H MRS) in ischemic stroke was examined. Acute diffusion-weighted imaging…”
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The volume of lacunes by Gerraty, R P, Parsons, M W, Alan Barber, P, Darby, D G, Davis, S M

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Lateralization of verbal memory and unilateral hippocampal sclerosis: evidence of task-specific effects by Saling, M M, Berkovic, S F, O'Shea, M F, Kalnins, R M, Darby, D G, Bladin, P F

“…This study retrospectively investigated the effect of left (LHS) versus right (RHS) hippocampal sclerosis on verbal memory, measured by means of the Paired…”
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Qualitative similarities in cognitive impairment associated with 24 h of sustained wakefulness and a blood alcohol concentration of 0.05 by Falleti, Marina G., Maruff, Paul, Collie, Alexander, Darby, David G., McStephen, Michael

“…Summary Previous studies that have quantified fatigue‐related cognitive impairment as blood alcohol concentration (BAC) equivalents have been limited by two…”
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