Search Results - "Lehéricy, S."

Comparative Study of MRI Biomarkers in the Substantia Nigra to Discriminate Idiopathic Parkinson Disease by Pyatigorskaya, N, Magnin, B, Mongin, M, Yahia-Cherif, L, Valabregue, R, Arnaldi, D, Ewenczyk, C, Poupon, C, Vidailhet, M, Lehéricy, S

“…Several new MR imaging techniques have shown promising results in patients with Parkinson disease; however, the comparative diagnostic values of these measures…”
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Demyelination and degeneration in the injured human spinal cord detected with diffusion and magnetization transfer MRI by Cohen-Adad, J., El Mendili, M-M., Lehéricy, S., Pradat, P-F., Blancho, S., Rossignol, S., Benali, H.

“…Characterizing demyelination/degeneration of spinal pathways in traumatic spinal cord injured (SCI) patients is crucial for assessing the prognosis of…”
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Structural abnormalities in the cerebellum and sensorimotor circuit in writer's cramp by DELMAIRE, C, VIDAILHET, M, ELBAZ, A, BOURDAIN, F, BLETON, J.-P, SANGLA, S, MEUNIER, S, TERRIER, A, LEHERICY, S

“…Structural abnormalities were detected in bilateral primary sensorimotor areas in writer's cramp. Evidence in other primary dystonia, including blepharospasm…”
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Reproducibility of R2 and quantitative susceptibility mapping (QSM) reconstruction methods in the basal ganglia of healthy subjects by Santin, M. D., Didier, M., Valabrègue, R., Yahia Cherif, L., García‐Lorenzo, D., Loureiro de Sousa, P., Bardinet, E., Lehéricy, S.

“…The basal ganglia are key structures for motor, cognitive and behavioral functions. They undergo several changes with aging and disease, such as Parkinson's or…”
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Visual Word Recognition in the Left and Right Hemispheres: Anatomical and Functional Correlates of Peripheral Alexias by Cohen, L., Martinaud, O., Lemer, C., Lehéricy, S., Samson, Y., Obadia, M., Slachevsky, A., Dehaene, S.

“…According to a simple anatomical and functional model of word reading, letters displayed in one hemifield are first analysed through a cascade of contralateral…”
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Reproducibility of R 2 and quantitative susceptibility mapping (QSM) reconstruction methods in the basal ganglia of healthy subjects by Santin, M D, Didier, M, Valabrègue, R, Yahia Cherif, L, García-Lorenzo, D, Loureiro de Sousa, P, Bardinet, E, Lehéricy, S

“…The basal ganglia are key structures for motor, cognitive and behavioral functions. They undergo several changes with aging and disease, such as Parkinson's or…”
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VBM anticipates the rate of progression of Alzheimer disease : A 3-year longitudinal study by KINKINGNEHUN, S, SARAZIN, M, LEHERICY, S, GUICHART-GOMEZ, E, HERGUETA, T, DUBOIS, B

“…To determine whether regional atrophy or neuropsychological factors can predict the rate of decline in patients with mild Alzheimer disease (AD). Despite…”
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Diffusion-weighted MRI in acute stroke within the first 6 hours: 1.5 or 3.0 Tesla? by ROSSO, C, DRIER, A, LACROIX, D, MUTLU, G, PIRES, C, LEHERICY, S, SAMSON, Y, DORMONT, D

“…To compare the sensitivity and specificity of 1.5-T and 3.0-T diffusion-weighted MRI (DWI) to detect hyperacute ischemic stroke lesions. We blindly reviewed…”
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Cerebellar rTMS stimulation may induce prolonged clinical benefits in essential tremor, and subjacent changes in functional connectivity: An open label trial by Popa, T, Russo, M, Vidailhet, M, Roze, E, Lehéricy, S, Bonnet, C, Apartis, E, Legrand, A.P, Marais, L, Meunier, S, Gallea, C

“…Abstract Background Cerebello-thalamo-cortical (CTC) pathways dysfunction is involved in pathological oscillations causing tremor in essential tremor (ET)…”
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Neural network involved in time perception: An fMRI study comparing long and short interval estimation by Pouthas, Viviane, George, Nathalie, Poline, Jean-Baptiste, Pfeuty, Micha, VandeMoorteele, Pierre-François, Hugueville, Laurent, Ferrandez, Anne-Marie, Lehéricy, S., LeBihan, Denis, Renault, Bernard

“…In this study, long (∼1,300 ms) and short duration (∼450 ms) estimation trials in an event‐related functional MRI (fMRI) study were contrasted in order to…”
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Basal ganglia and supplementary motor area subtend duration perception: an fMRI study by Ferrandez, A.M, Hugueville, L, Lehéricy, S, Poline, J.B, Marsault, C, Pouthas, V

“…Brain imaging studies on duration perception usually report the activation of a network that includes the frontal and mesiofrontal cortex (supplementary motor…”
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Dopamine denervation in the functional territories of the striatum: a new MR and atlas-based 123I-FP-CIT SPECT quantification method by Villain, Nicolas, Béra, G., Habert, M.-O., Kas, A., Aubert, J., Jaubert, O., Valabregue, R., Fernandez-Vidal, S., Corvol, J.-C., Mangone, G., Lehéricy, S., Vidailhet, M., Grabli, D.

“…Current quantification methods of 123 I-FP-CIT SPECT rely on anatomical parcellation of the striatum. We propose here to implement a new method based on MRI…”
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Functional MR evaluation of temporal and frontal language dominance compared with the Wada test by LEHERICY, S, COHEN, L, BAZIN, B, SAMSON, S, GIACOMINI, E, ROUGETET, R, HERTZ-PANNIER, L, LE BIHAN, D, MARSAULT, C, BAULAC, M

“…To evaluate the reliability of temporal and frontal functional MRI (fMRI) activation for the assessment of language dominance, as compared with the Wada test…”
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Hyperglycemia and the Fate of Apparent Diffusion Coefficient-Defined Ischemic Penumbra by ROSSO, C, ATTAL, Y, DELTOUR, S, HEVIA-MONTIEL, N, LEHERICY, S, CROZIER, S, DORMONT, D, BAILLET, S, SAMSON, Y

“…Previous data have shown the feasibility of identifying ischemic penumbra in patients with acute stroke by using a semiautomated analysis of ADC maps. Here, we…”
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Role of the healthy hemisphere in recovery after resection of the supplementary motor area by KRAINIK, A, DUFFAU, H, CAPELLE, L, CORNU, P, BOCH, A.-L, MANGIN, J.-F, LE BIHAN, D, MARSAULT, C, CHIRAS, J, LEHERICY, S

“…To determine the compensatory mechanisms involved in the recovery of motor function following surgical lesions of the supplementary motor area (SMA) and their…”
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Broca's Area Damage is Necessary but not Sufficient to Induce After-effects of cathodal tDCS on the Unaffected Hemisphere in Post-stroke Aphasia by Rosso, C, Perlbarg, V, Valabregue, R, Arbizu, C, Ferrieux, S, Alshawan, B, Vargas, P, Leger, A, Zavanone, C, Corvol, J.C, Meunier, S, Lehéricy, S, Samson, Y

“…Abstract Background The inter-individual variability of behavioral effects after tDCS applied to the unaffected right hemisphere in stroke may be related to…”
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Exploring anterograde memory: a volumetric MRI study in patients with mild cognitive impairment by Philippi, N, Noblet, V, Duron, E, Cretin, B, Boully, C, Wisniewski, I, Seux, M L, Martin-Hunyadi, C, Chaussade, E, Demuynck, C, Kremer, S, Lehéricy, S, Gounot, D, Armspach, J P, Hanon, O, Blanc, F

“…The aim of this volumetric study was to explore the neuroanatomical correlates of the Free and Cued Selective Reminding Test (FCSRT) and the Delayed…”
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Connectivity between Right Inferior Frontal Gyrus and Supplementary Motor Area Predicts After-Effects of Right Frontal Cathodal tDCS on Picture Naming Speed by Rosso, Charlotte, Valabregue, R, Arbizu, C, Ferrieux, S, Vargas, P, Humbert, F, Attal, Y, Messé, A, Zavanone, C, Meunier, S, Cohen, L, Delmaire, C, Thielscher, A, Herz, D.M, Siebner, H.R, Samson, Y, Lehéricy, S

“…Abstract Background Cathodal transcranial direct current stimulation (tDCS) of the right frontal cortex improves language abilities in post-stroke aphasic…”
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Language and calculation within the parietal lobe: a combined cognitive, anatomical and fMRI study by Cohen, L., Dehaene, S., Chochon, F., Lehéricy, S., Naccache, L.

“…We report the case of a patient (ATH) who suffered from aphasia, deep dyslexia, and acalculia, following a lesion in her left perisylvian area. She showed a…”
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The visual word form area: Spatial and temporal characterization of an initial stage of reading in normal subjects and posterior split-brain patients by COHEN, L, DEHAENE, S, NACCACHE, L, LEHERICY, S, DEHAENE-LAMBERTZ, G, HENAFF, M.-A, MICHEL, F

“…A standard model of word reading postulates that visual information is initially processed by occipitotemporal areas contralateral to the stimulated hemifield,…”
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