Search Results - "VAROQUAUX, G"

Scale-Free and Multifractal Time Dynamics of fMRI Signals during Rest and Task by Ciuciu, P, Varoquaux, G, Abry, P, Sadaghiani, S, Kleinschmidt, A

“…Scaling temporal dynamics in functional MRI (fMRI) signals have been evidenced for a decade as intrinsic characteristics of ongoing brain activity (Zarahn et…”
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Total Variation Regularization for fMRI-Based Prediction of Behavior by Michel, V., Gramfort, A., Varoquaux, G., Eger, E., Thirion, B.

“…While medical imaging typically provides massive amounts of data, the extraction of relevant information for predictive diagnosis remains a difficult…”
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Big data and extreme-scale computing: Pathways to Convergence-Toward a shaping strategy for a future software and data ecosystem for scientific inquiry by Asch, M, Moore, T, Badia, R, Beck, M, Beckman, P, Bidot, T, Bodin, F, Cappello, F, Choudhary, A, de Supinski, B, Deelman, E, Dongarra, J, Dubey, A, Fox, G, Fu, H, Girona, S, Gropp, W, Heroux, M, Ishikawa, Y, Keahey, K, Keyes, D, Kramer, W, Lavignon, J-F, Lu, Y, Matsuoka, S, Mohr, B, Reed, D, Requena, S, Saltz, J, Schulthess, T, Stevens, R, Swany, M, Szalay, A, Tang, W, Varoquaux, G, Vilotte, J-P, Wisniewski, R, Xu, Z, Zacharov, I

“…Over the past four years, the Big Data and Exascale Computing (BDEC) project organized a series of five international workshops that aimed to explore the ways…”
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A group model for stable multi-subject ICA on fMRI datasets by Varoquaux, G., Sadaghiani, S., Pinel, P., Kleinschmidt, A., Poline, J.B., Thirion, B.

“…Spatial Independent Component Analysis (ICA) is an increasingly used data-driven method to analyze functional Magnetic Resonance Imaging (fMRI) data. To date,…”
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How to estimate the differential acceleration in a two-species atom interferometer to test the equivalence principle by Varoquaux, G, Nyman, R A, Geiger, R, Cheinet, P, Landragin, A, Bouyer, P

“…We propose a scheme for testing the weak equivalence principle (Universality of Free Fall) using an atom-interferometric measurement of the local differential…”
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Light-pulse atom interferometry in microgravity by Stern, G., Battelier, B., Geiger, R., Varoquaux, G., Villing, A., Moron, F., Carraz, O., Zahzam, N., Bidel, Y., Chaibi, W., Pereira Dos Santos, F., Bresson, A., Landragin, A., Bouyer, P.

“…We describe the operation of a light pulse interferometer using cold 87 Rb atoms in reduced gravity. Using a series of two Raman transitions induced by light…”
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Markov models for fMRI correlation structure: Is brain functional connectivity small world, or decomposable into networks? by Varoquaux, G., Gramfort, A., Poline, J.B., Thirion, B.

“…► Correlations in rest fMRI reveal underlying neural connectivity. ► Small-world connectivity is in apparent contradiction with segregated networks. ► Gaussian…”
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I.C.E : a transportable atomic inertial sensor for test in microgravity by NYMAN, R. A, VAROQUAUX, G, BRESSON, A, LANDRAGIN, A, BOUYER, P, LIENHART, F, CHAMBON, D, BOUSSEN, S, CLEMENT, J.-F, MÜLLER, T, SANTARELLI, G, PEREIRA DOS SANTOS, F, CLAIRON, A

“…We present the construction of an atom interferometer for inertial sensing in microgravity, as part of the I.C.E. (Interferometrie Coherente pour l'Espace)…”
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Model-based extraction of resting-state networks across subjects by Varoquaux, G., Sadaghiani, S., Poline, J.B., Thirion, B.

“…Components identification uses inter-subject canonical correlation analysis followed by ICA for blind extraction of independent and reproducible pattern across…”
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Different shades of default mode disturbance in schizophrenia: Subnodal covariance estimation in structure and function by Lefort-Besnard, Jérémy, Bassett, Danielle S, Smallwood, Jonathan, Margulies, Daniel S, Derntl, Birgit, Gruber, Oliver, Aleman, Andre, Jardri, Renaud, Varoquaux, Gaël, Thirion, Bertrand, Eickhoff, Simon B, Bzdok, Danilo

“…Schizophrenia is a devastating mental disease with an apparent disruption in the highly associative default mode network (DMN). Interplay between this…”
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Light-shift tomography in an optical-dipole trap for neutral atoms by Brantut, J. P., Clément, J. F., de Saint Vincent, M. Robert, Varoquaux, G., Nyman, R. A., Aspect, A., Bourdel, T., Bouyer, P.

“…We report on light-shift tomography of a cloud of 87 Rb atoms in a far-detuned optical-dipole trap at 1565 nm. Our method is based on standard absorption…”
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Distinct alterations in Parkinson's medication-state and disease-state connectivity by Ng, Bernard, Varoquaux, Gael, Poline, Jean Baptiste, Thirion, Bertrand, Greicius, Michael D, Poston, Kathleen L

“…Altered brain connectivity has been described in people with Parkinson's disease and in response to dopaminergic medications. However, it is unclear whether…”
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In Situ Synchrotron Microtomography Reveals Multiple Reaction Pathways During Soda-Lime Glass Synthesis by Gouillart, Emmanuelle, Toplis, Michael J., Grynberg, Julien, Chopinet, Marie-Hélène, Sondergard, Elin, Salvo, Luc, Suéry, Michel, Di Michiel, Marco, Varoquaux, Gael

“…Ultrafast synchrotron microtomography has been used to study in situ and in real time the initial stages of silicate glass melt formation from crystalline…”
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Confidence intervals for performance estimates in 3D medical image segmentation by Jurdi, R. El, Varoquaux, G, Colliot, O

“…Medical segmentation models are evaluated empirically. As such an evaluation is based on a limited set of example images, it is unavoidably noisy. Beyond a…”
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Comparing distributions: $\ell_1$ geometry improves kernel two-sample testing by Scetbon, M, Varoquaux, G

“…Are two sets of observations drawn from the same distribution? This problem is a two-sample test. Kernel methods lead to many appealing properties. Indeed…”
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Agile Computer Control of a Complex Experiment by Varoquaux, Gaël

“…Scientists are skilled with computers, and main of them understand the intricacy of numerical computing. Yet, designing the sophisticated software architecture…”
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Multifractal analysis of Resting State Networks in functional MRI by Ciuciu, P, Varoquaux, G, Abry, P, Almog, M

“…It has been know for at least one decade that functional MRI time series display long-memory properties, such as power-law scaling in the frequency spectrum…”
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The Sagnac effect in superfluids by Varoquaux, E, Varoquaux, G

“…We comment on the interpretation of absolute rotation measurements with superfluids, which involve the Sagnac effect. This effect, first observed in rotating…”
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Scale-Free and Multifractal Time Dynamics of fMRI Signals during Rest and Task by Ciuciu, P, Varoquaux, G, Abry, P, Sadaghiani, S, Kleinschmidt, A

“…Frontiers in Physiology 3, 1 (2012) 186 Scaling temporal dynamics in functional MRI (fMRI) signals have been evidenced for a decade as intrinsic…”
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Decoding Visual Percepts Induced by Word Reading with fMRI by Gramfort, A., Varoquaux, G., Thirion, B., Pallier, Christophe

“…Word reading involves multiple cognitive processes. To infer which word is being visualized, the brain first processes the visual percept, deciphers the…”
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