Search Results - "Marzi, C A"

Attentional orienting induced by arrows and eye-gaze compared with an endogenous cue by Brignani, D., Guzzon, D., Marzi, C.A., Miniussi, C.

“…Exogenous orienting has been widely studied by using peripheral cues whereas endogenous orienting has been studied with directional central cues. However,…”
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Right temporal-parietal junction engagement during spatial reorienting does not depend on strategic attention control by Natale, E., Marzi, C.A., Macaluso, E.

“…Targets presented outside the focus of attention trigger stimulus-driven spatial reorienting and activation of the right temporal-parietal junction (rTPJ)…”
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ERP and fMRI correlates of endogenous and exogenous focusing of visual-spatial attention by Natale, E., Marzi, C. A., Girelli, M., Pavone, E. F., Pollmann, S.

“…The aim of this study was to investigate the neural correlates of the functional distinction underlying attentional mechanisms of endogenous‐sustained and…”
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Interhemispheric Transmission of Visuomotor Information in Humans: fMRI Evidence by Tettamanti, M, Paulesu, E, Scifo, P, Maravita, A, Fazio, F, Perani, D, Marzi, C. A

“…  1 Istituto Di Ricovero E Cura A Carattere Scientifico San Raffaele Hospital, 20132 Milan, Italy;   2 University of Milan Bicocca, 20126 Milan, Italy;   3…”
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Orienting of attention with eye and arrow cues and the effect of overtraining by Guzzon, D., Brignani, D., Miniussi, C., Marzi, C.A.

“…In contrast to the classical distinction between a controlled orienting of attention induced by central cues and an automatic capture induced by peripheral…”
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Attention and interhemispheric transfer: a behavioral and fMRI study by Weber, B, Treyer, V, Oberholzer, N, Jaermann, T, Boesiger, P, Brugger, P, Regard, M, Buck, A, Savazzi, S, Marzi, C A

“…When both detections and responses to visual stimuli are performed within one and the same hemisphere, manual reaction times (RTs) are faster than when the two…”
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Evidence of midline retinal nasotemporal overlap in healthy humans: A model for foveal sparing in hemianopia? by Marzi, C.A., Mancini, F., Sperandio, I., Savazzi, S.

“…The existence of midline retinal nasotemporal overlap in humans is controversial. Here we used the Poffenberger paradigm and monocular vision to assess the…”
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Modulation of brain activity by selective task sets observed using event-related potentials by Miniussi, C., Marzi, C.A., Nobre, A.C.

“…We investigated the ability of subjects to shift dynamically between selective task sets, using informative trial-by-trial cues. Two tasks were used which…”
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Blindsight following visual cortex deafferentation disappears with purple and red stimuli: A case study by Marzi, C.A., Mancini, F., Metitieri, T., Savazzi, S.

“…We employed a redundant signal effect (RSE) paradigm to ascertain the role of the superior colliculus (SC) in blindsight. The RSE consists of the speeding of…”
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What kind of visual spatial attention is impaired in neglect? by Natale, E., Posteraro, L., Prior, M., Marzi, C.A.

“…The distribution of spatial attention across the horizontal meridian of the visual field, as assessed by a simple reaction time (RT) paradigm, is dramatically…”
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physiology of mind by Marzi, C. A, Paulesu, E, Bottini, G

“…Issue Title: Special Issue: The Physiology of Mind. Festschrift in Honour of Giovanni Berlucchi…”
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Retinal eccentricity effects on reaction time to imagined stimuli by Marzi, C.A., Mancini, F., Metitieri, T., Savazzi, S.

“…To cast light on the possible neural substrate of visual imagery we tested normal participants and one hemianopic patient on simple reaction time (RT) to real…”
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Abnormally speeded saccades to ipsilesional targets in patients with spatial neglect by Natale, E., Marzi, C.A., Bricolo, E., Johannsen, L., Karnath, H.-O.

“…We mapped the distribution of saccadic reaction times (SRTs) in the visual field of patients with spatial neglect in order to characterise the topography of…”
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Blindsight in hemispherectomized patients as revealed by spatial summation across the vertical meridian by TOMAIUOLO, F, PTITO, M, MARZI, C. A, PAUS, T, PTITO, A

“…The present study provides a demonstration of blindsight in two hemispherectomy patients who showed a visual spatial summation effect across the vertical…”
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The spatial distribution of visual attention in hemineglect and extinction patients by SMANIA, N, MARTINI, M. C, GAMBINA, G, TOMELLERI, G, PALAMARA, A, NATALE, E, MARZI, C. A

“…We studied the visual field distribution of speed and accuracy of manual responses to small brief light flashes, in patients with left hemineglect or…”
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Neural site of the redundant target effect electrophysiological evidence by Miniussi, C, Girelli, M, Marzi, C A

“…The present study represents an attempt to find an electrophysiological correlate of the redundant targets effect, or RTE (i.e., the speeding up of reaction…”
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Is interhemispheric transfer of visuomotor information asymmetric? Evidence from a meta-analysis by Marzi, C A, Bisiacchi, P, Nicoletti, R

“…Using a meta-analytic procedure we have analysed 16 studies employing a simple unimanual reaction time (RT) paradigm and lateralized visual stimuli to provide…”
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At what stage of manual visual reaction time does interhemispheric transmission occur: controlled or ballistic? by CAVINA-PRATESI, C, BRICOLO, E, PELLEGRINI, B, MARZI, C. A

“…Interhemispheric transfer (IT) time through the corpus callosum can be measured with a manual reaction time (RT) to lateralized visual stimuli (the so-called…”
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What exactly is extinguished in unilateral visual extinction? Neurophysiological evidence by Marzi, C.A, Girelli, M, Natale, E, Miniussi, C

“…We propose a model of unilateral visual extinction following right hemisphere lesions based on competition between contralesional and ipsilesional input to…”
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Transcranial magnetic stimulation selectively impairs interhemispheric transfer of visuo-motor information in humans by MARZI, C. A, MINIUSSI, C, MARAVITA, A, BERTOLASI, L, ZANETTE, G, ROTHWELL, J. C, SANES, J. N

“…We investigated the cerebral cortical route by which visual information reaches motor cortex when visual signals are used for manual responses. Subjects…”
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