Time course of visuospatial neglect early after stroke: A longitudinal cohort study

Nijboer, Tanja C.W.; Kollen, Boudewijn J.; Kwakkel, Gert

doi:10.1016/j.cortex.2012.11.006

Cited by 172 publications

(144 citation statements)

References 35 publications

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“…Neglect most often involves the left hemispace following right hemispheric lesions and subsists into the chronic stage in approximately 40-60% of patients (Cassidy et al, 1998;Nijboer et al, 2013;Stone et al, 1993).…”

Section: Unilateral Neglect: Alleviation Of the Spatial Attentional Dmentioning

confidence: 99%

Modulation of visual attention by prismatic adaptation

Clarke

Crottaz-Herbette

2016

Neuropsychologia

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Visuo-motor adaptation via rightward-deviating prisms has been repeatedly shown to alleviate lateralized deficits in neglect, including detection of targets as well as endogenous and exogenous orienting of attention. We review here evidence relevant to the underlying neural mechanisms. Rightward prismatic adaptation was shown to shift visual field representation from right to left inferior parietal lobule, changing thus hemispheric dominance within the ventral attentional system. This change is likely to redirect visual input to the dorsal attentional system and to re-install balance between its left- and right-hemispheric components in neglect. We propose a model based on the shift in hemispheric dominance within the ventral attentional system (SHD-VAS), which offers a parsimonious explanation for the effect of rightward prismatic adaptation on spatial bias in neglect and on behavioral data in normal subjects.

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Section: Unilateral Neglect: Alleviation Of the Spatial Attentional Dmentioning

confidence: 99%

Modulation of visual attention by prismatic adaptation

Clarke

Crottaz-Herbette

2016

Neuropsychologia

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“…Algunos autores lo atribuyen a la recuperación del área de penumbra lesional (Nudo, 2011) o al concepto de diasquisis en los primeros días y semanas tras el ictus (Feeney y Baron, 1986); mientras otros a la neuroplasticidad propia del sistema nervioso central (Murphy y Corbett, 2009). Cómo estos mecanismos contribuyen a la recuperación de la HVE es todavía hoy un enigma (Murphy y Corbett, 2009;Nijboer et al, 2012;Nudo, 2011).…”

Section: Conclusionesunclassified

Heminegligencia visuo-espacial: aspectos clínicos, teóricos y tratamiento [Visuospatial neglect: clinical, theoretical and treatment aspects]

Aparicio-López¹,

García-Molina

Enseñat³

et al. 2015

Acción psicol.

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ResumenObjetivo: Realizar una revisión descriptiva sobre la heminegligencia visuo-espacial asociada a accidentes cerebro-vasculares. Se abordan los aspectos clínicos y teóricos más relevantes, así como las diferentes técnicas de intervención utilizadas actualmente. Desarrollo: La heminegligencia visuo-espacial es un déficit neuropsicológico multimodal asociado a lesiones cerebrales, principalmente de origen vascular. Su presencia implica una recuperación más lenta, mayor discapacidad y una respuesta precaria a la rehabilitación. Aunque la recuperación espontánea puede ocurrir en el transcurso de las primeras semanas o meses, el paso del tiempo no necesariamente implica una mejora de los síntomas. A día de hoy se han desarrollado múltiples estrategias de rehabilitación, pero son muy pocas las que demuestran efectos perdurables en el tiempo. Conclusiones: La adaptación de prismas es la técnica con la que se obtienen mejores resultados, aunque existen controversias respecto a sus beneficios a largo plazo. Las diferentes intervenciones que se describen en el artículo tienen un impacto transitorio y los resultados no acostumbran a traducirse en una mejora en las actividades de vida diaria. Las tendencias actuales apuestan por la aplicación combinada de diferentes técnicas.

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“…Indeed, its effects can persist long after the occurrence of stroke [3]. Reports of the rate of USN vary greatly in stroke research, ranging from about 15-80 %.…”

Section: Introductionmentioning

confidence: 99%

Italian standardization of the Apples Cancellation Test

et al. 2015

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Hemispatial neglect due to right parieto-temporo-frontal lesions has a negative impact on the success of rehabilitation, resulting in poor functional gain. Recent research has shown that different types of neglect can impact in a different way on rehabilitation outcomes. The availability of a sensitive test, useful for distinguishing egocentric and allocentric forms of neglect, may be clinically important as all current clinical instruments fail to distinguish between these forms of disturbance, yet they differentially predict outcome. The Apples Test is a new instrument useful to evaluate both egocentric and allocentric forms of neglect. In order to establish Italian norms for this diagnostic instrument the test was administered to a sample of 412 healthy people of both genders (201 M and 211 F), aged from 20 to 80 years enrolled from 14 different rehabilitation centers in Italy. Based on the data, we established pathological performance cut-offs for the accuracy score (total omission errors), the asymmetry score for egocentric neglect (omission error difference), the asymmetry score for allocentric neglect (commission error difference) and execution time. The usefulness of the Apples Test for diagnostic purposes is illustrated by presenting three patients with different forms of neglect (egocentric, allocentric and mixed neglect).

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Time course of visuospatial neglect early after stroke: A longitudinal cohort study

Cited by 172 publications

References 35 publications

Modulation of visual attention by prismatic adaptation

Modulation of visual attention by prismatic adaptation

Heminegligencia visuo-espacial: aspectos clínicos, teóricos y tratamiento [Visuospatial neglect: clinical, theoretical and treatment aspects]

Italian standardization of the Apples Cancellation Test

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