Search Results - "Pegna, A J"

Representation of anatomical constraints in motor imagery: Mental rotation of a body segment by Petit, L.S., Pegna, A.J., Mayer, E., Hauert, C.-A.

“…Classically, the mental rotation paradigm has shown that when subjects are asked to judge whether objects that differ in orientation are spatially congruent,…”
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Language Control and Lexical Competition in Bilinguals: An Event-Related fMRI Study by Abutalebi, Jubin, Annoni, Jean-Marie, Zimine, Ivan, Pegna, Alan J., Seghier, Mohamed L., Lee-Jahnke, Hannelore, Lazeyras, François, Cappa, Stefano F., Khateb, Asaid

“…Language selection (or control) refers to the cognitive mechanism that controls which language to use at a given moment and context. It allows bilinguals to…”
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Speech arrest with stimulation may not reliably predict language deficit after epilepsy surgery by SEECK, M, PEGNA, A. J, ORTIGUE, S, SPINELLI, L, DESSIBOURG, C. A, DELAVELLE, J, BLANKE, O, MICHEL, C. M, LANDIS, T, VILLEMURE, J.-G

“…The authors present a patient in whom electrical cortical stimulation of the posterior temporal cortex induced speech arrest, comprehension deficits, and other…”
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Amygdala activation for eye contact despite complete cortical blindness by Burra, Nicolas, Hervais-Adelman, Alexis, Kerzel, Dirk, Tamietto, Marco, de Gelder, Beatrice, Pegna, Alan J

“…Cortical blindness refers to the loss of vision that occurs after destruction of the primary visual cortex. Although there is no sensory cortex and hence no…”
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A pure case of Gerstmann syndrome with a subangular lesion by Mayer, Eugène, Martory, Marie-Dominique, Pegna, Alan J., Landis, Theodor, Delavelle, Jacqueline, Annoni, Jean-Marie

“…The four symptoms composing Gerstmann's syndrome were postulated to result from a common cognitive denominator (Grundstörung) by Gerstmann himself. He…”
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Pure Global Acalculia Following a Left Subangular Lesion by Martory, M. D., Mayer, E., Pegna, A. J., Annoni, J. M., Landis, T., Khateb, A.

“…We describe the case of a right-handed patient who presented a severe acalculia in the context of a pure Gerstmann syndrome following a subangular lesion that…”
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Spatio-temporal analysis of electric brain activity during semantic and phonological word processing by Khateb, Asaid, Annoni, Jean-Marie, Landis, Theodor, Pegna, Alan J., Custodi, Marie-Carmen, Fonteneau, Elisabeth, Morand, Stéphanie M., Michel, Christoph M.

“…There is an ongoing debate in cognitive neuroscience about the time course and the functional independence of the different processes involved in encoding…”
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Comprehensive postictal neuropsychology improves focus localization in epilepsy by Pegna, A J, Qayoom, Z, Gericke, C A, Landis, T, Seeck, M

“…In recent years, new techniques such as single photon emission computed tomography (SPECT), positron emission tomography (PET) and magnetic resonance imaging…”
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Semantically-triggered reading epilepsy: an experimental case study by Pegna, A J, Picard, F, Martory, M D, Vuilleumier, P, Seeck, M, Jallon, P, Landis, T

“…Primary reading epilepsy (PRE) is a rare syndrome in which epileptic seizures are electively provoked by reading. Cognitive neuropsychology has demonstrated…”
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Random motor generation in a finger tapping task: influence of spatial contingency and of cortical and subcortical hemispheric brain lesions by Annoni, Jean-Marie, Pegna, Alan J

“…OBJECTIVE To test the hypothesis that, during random motor generation, the spatial contingencies inherent to the task would induce additional preferences in…”
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The selective amobarbital test in the anterior choroidal artery: Perfusion pattern assessed by intraarterial SPECT and prediction of postoperative verbal memory by Vulliemoz, S, Pegna, A.J, Annoni, J.-M, Yilmaz, H, Willi, J.P, Spinelli, L, Landis, T, Seeck, M

“…Abstract To screen for patients at risk for memory decline after temporal lobe epilepsy (TLE) surgery, selective amobarbital procedures, such as injection into…”
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So near yet so far: Neglect in far or near space depends on tool use by Pegna, Alan J., Petit, Leila, Caldara-Schnetzer, Anne-Sarah, Khateb, Asaid, Annoni, Jean-Marie, Sztajzel, Roman, Landis, Theodor

“…The study of unilateral spatial neglect has shown that space can be dissociated on a peripersonal versus extrapersonal basis. We report a novel type of…”
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Electric source imaging of human brain functions by Michel, Christoph M, Thut, Gregor, Morand, Stéphanie, Khateb, Asaid, Pegna, Alan J, Grave de Peralta, Rolando, Gonzalez, Sara, Seeck, Margitta, Landis, Theodor

“…We review recent methodological advances in electromagnetic source imaging and present EEG data from our laboratory obtained by application of these methods…”
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Neural processing of illusory and real contours revealed by high-density ERP mapping by Pegna, Alan J, Khateb, Asaid, Murray, Micah M, Landis, Theodor, Michel, Christoph M

“…Event-related potential (ERP) studies have shown that responses to illusory (IC), as compared to no contours (NC), may differ within 200 ms following stimulus…”
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Transient crossed aphasia evidenced by functional brain imagery by Khateb, Asaid, Martory, Marie-Dominique, Annoni, Jean-Marie, Lazeyras, François, de Tribolet, Nicolas, Pegna, Alan J, Mayer, Eugène, Michel, Christoph M, Seghier, Mohamed L

“…Crossed aphasia refers to language deficits induced by unilateral right hemisphere injuries in right-handed people who had no previous history of brain damage…”
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New insights into the Stroop effect: a spatiotemporal analysis of electric brain activity by Khateb, Asaid, Michel, Christoph M, Pegna, Alan J, Landis, Theodor, Annoni, Jean-Marie

“…Recent clinical and imaging studies suggest the involvement of anterior brain regions in the Stroop effect without providing consensus on the hemisphere being…”
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The time course of three-dimensional object recognition in human vision: An ERP study by Oliver, Z. J., Roberts, M. V., Pegna, A. J., Leek, C.

“…Abstract only…”
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Brain oscillatory activity related to biologically relevant visual stimuli in a patient with affective blindsight by Del Zotto, M., Deiber, M.-P., Legrand, L. B., Pegna, A. J.

“…Abstract only…”
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The time course of semantic category processing in the cerebral hemispheres: an electrophysiological study by Khateb, Asaid, Michel, Christoph M, Pegna, Alan J, Thut, Gregor, Landis, Theodor, Annoni, Jean-Marie

“…Using visual half-field presentations of words to the right (RVF) and to the left visual field (LVF), this study investigated the time course of the…”
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Language selection in bilinguals: A spatio-temporal analysis of electric brain activity by Khateb, Asaid, Abutalebi, Jubin, Michel, Christoph M., Pegna, Alan J., Lee-Jahnke, Hannelore, Annoni, Jean-Marie

“…Language selection refers to the cognitive mechanism that allows bilinguals to communicate in one language or the other and to switch between languages…”
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