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References39
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Published on Mar 4, 2017in Neurocase 1.11
Hilary Glazer1
Estimated H-index: 1
,
Leila Saadatpour2
Estimated H-index: 2
(UF: University of Florida)
+ 1 AuthorsKenneth M. Heilman85
Estimated H-index: 85
(UF: University of Florida)
ABSTRACTPosterior cortical atrophy (PCA) is a syndrome caused by a neurodegenerative disease that often presents with visuospatial deficits, and can be debilitating. PCA is often characterized by elements of Balint’s syndrome and dyslexia. The most common underlying pathology has been found to be Alzheimer’s disease. Signs of horizontal neglect are frequently associated with PCA, but the presence of vertical (or altitudinal) neglect has not yet been reported in a patient with PCA or other forms ...
Published on Nov 1, 2016in Neuropsychologia 2.87
Raffaella Ricci17
Estimated H-index: 17
(UNITO: University of Turin),
Adriana Salatino8
Estimated H-index: 8
(UNITO: University of Turin)
+ 4 AuthorsMarco Neppi-Modona10
Estimated H-index: 10
(UNITO: University of Turin)
Abstract Patients with visuospatial neglect when asked to cancel targets partially or totally omit to cancel contralesional stimuli. It has been shown that increasing the attentional demands of the cancellation task aggravates neglect contralesionally. However, some preliminary evidence also suggests that neglect might be worsened by engaging the patient in a demanding, non-spatial, cognitive activity (i.e. a mathematical task). We studied cancellation performance of 16 patients with right-hemis...
Published on Nov 1, 2016in Neuropsychologia 2.87
Elvio Blini3
Estimated H-index: 3
(UNIPD: University of Padua),
Zaira Romeo1
Estimated H-index: 1
(UNIPD: University of Padua)
+ 4 AuthorsMarco Zorzi36
Estimated H-index: 36
(UNIPD: University of Padua)
Unilateral Spatial Neglect, the most dramatic manifestation of contralesional space unawareness, is a highly heterogeneous syndrome. The presence of neglect is related to core spatially lateralized deficits, but its severity is also modulated by several domain-general factors (such as alertness or sustained attention) and by task demands. We previously showed that a computer-based dual-task paradigm exploiting both lateralized and non-lateralized factors (i.e., attentional load/multitasking) bet...
Published on Feb 7, 2016in Journal of Clinical and Experimental Neuropsychology 1.99
Mario Bonato16
Estimated H-index: 16
(UNIPD: University of Padua),
Simone Cutini15
Estimated H-index: 15
(UNIPD: University of Padua)
ABSTRACTIntroduction: Unilateral brain damage can heterogeneously alter spatial processing. Very often brain-lesioned patients fail to report (neglect) items appearing within the contralesional space. Much less often patients mislocalize items’ spatial position. We investigated whether a top-down attentional load manipulation (dual-tasking), known to result in contralesional omissions even in apparently unimpaired cases, might also induce spatial mislocalizations. Method: Nine right-hemisphere-d...
Published on Jan 1, 2016in Canadian Journal of Behavioural Science
Marie Geurten5
Estimated H-index: 5
(University of Liège),
Eric Vincent1
Estimated H-index: 1
+ 2 AuthorsThierry Meulemans15
Estimated H-index: 15
(University of Liège)
Published on Sep 3, 2015in PLOS ONE 2.78
Mario Bonato16
Estimated H-index: 16
(UGent: Ghent University),
Chiara Spironelli17
Estimated H-index: 17
(UNIPD: University of Padua)
+ 2 AuthorsMarco Zorzi36
Estimated H-index: 36
(UNIPD: University of Padua)
While the role of selective attention in filtering out irrelevant information has been extensively studied, its characteristics and neural underpinnings when multiple environmental stimuli have to be processed in parallel are much less known. Building upon a dual-task paradigm that induced spatial awareness deficits for contralesional hemispace in right hemisphere-damaged patients, we investigated the electrophysiological correlates of multimodal load during spatial monitoring in healthy partici...
Published on Jan 1, 2015in Frontiers in Human Neuroscience 2.87
Mario Bonato16
Estimated H-index: 16
(UGent: Ghent University)
A common and disabling consequence of stroke is the difficulty in processing contralesional space (i.e. hemispatial neglect). According to paper-and-pencil tests, neglect remits or stabilizes in severity within a few months after a brain injury. This arbitrary temporal limit, however, is at odds with neglect's well-known dependency on task-sensitivity. The present study tested the hypothesis that the putative early resolution of neglect might be due to the insensitivity of testing methods rather...
Published on Sep 1, 2013in Cortex 4.28
Tanja C. W. Nijboer19
Estimated H-index: 19
,
Boudewijn J. Kollen24
Estimated H-index: 24
,
G. Kwakkel59
Estimated H-index: 59
Abstract The aim of the current study was to investigate recovery of visuospatial neglect during the first year after stroke. Visuospatial neglect was measured using two frequently and widely used tests: the letter cancellation test (LCT) and the line bisection test (LBT). This was a prospective cohort study of 101 stroke patients. Of these 101 patients, 51 patients showed visuospatial neglect. All time-dependent measures were taken weekly, starting from within 14 days after stroke onset. From w...
Published on Sep 1, 2013in Psychological Science 4.90
Jean-Philippe van Dijck14
Estimated H-index: 14
(UGent: Ghent University),
Elger L. Abrahamse16
Estimated H-index: 16
(UGent: Ghent University)
+ 1 AuthorsWim Fias46
Estimated H-index: 46
(UGent: Ghent University)
The ability to maintain the serial order of events is recognized as a major function of working memory. Although general models of working memory postulate a close link between working memory and attention, such a link has so far not been proposed specifically for serial-order working memory. The present study provided the first empirical demonstration of a direct link between serial order in verbal working memory and spatial selective attention. We show that the retrieval of later items of a se...
Published on May 1, 2012in Neuropsychologia 2.87
Hans-Otto Karnath55
Estimated H-index: 55
(University of Tübingen),
Chris Rorden54
Estimated H-index: 54
(USC: University of South Carolina)
Neglect is often perceived as a “heterogeneous collection of symptoms” with controversial anatomical correlates. However, a clear framework for core and satellite symptoms exists. Here we review the literature when viewed from the perspective of these different syndromes, and find clear pattern of anatomical injury. Specifically, the combined symptoms of biased gaze direction and search – with no awareness of these symptoms – is seen following structural damage to (particularly right hemisphere)...
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