Laurance D. Hall

Oscar Brihuega-Moreno2
Christopher L-H Huang2
Frank P Heese2
Nikolas G Papadakis2
Daniel P Bradley1
2Oscar Brihuega-Moreno
2Christopher L-H Huang
2Frank P Heese
2Nikolas G Papadakis
1Daniel P Bradley
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A novel approach to optimized diffusion measurements by minimizing the Cramer-Rao lower bound (CRLB) with respect to the b-values used for diffusion measurement was investigated. The applicability of the CRLB to these measurements is shown by the close agreement between the CRLB prediction and the actual precision obtained from experimental results. Where(More)
The present study assesses the effects of cross-term interactions between diffusion and imaging gradients in magnetic resonance imaging q-space analysis, and corrects for those effects for both spin echo and stimulated echo diffusion-weighted sequences. These corrections are demonstrated experimentally in unrestricted media for water and theoretically by(More)
Cerebral vascular reactivity in different regions of the rat brain was quantitatively characterized by spatial and temporal measurements of blood oxygenation level-dependent (BOLD)-fMRI signals following intravenous administration of the carbonic anhydrase inhibitor acetazolamide: this causes cerebral vasodilatation through a cerebral extracellular acidosis(More)
Cortical spreading depression (CSD) was induced by transient (10 min) applications of KCl in agar upon the cortical surface of alpha-chloralose anaesthetised cats. Its features were compared with CSD resulting from sustained applications of crystalline KCl through a mapping of the apparent diffusion coefficient (ADC) using diffusion-weighted echo planar(More)
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