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Role of somatosensory cortex in visuospatial attention

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Role of somatosensory cortex in visuospatial attention. / Balslev, Daniela; Odoj, Bartholomaeus; Karnath, Hans-Otto.

In: The Journal of Neuroscience, Vol. 33, No. 46, 13.11.2013, p. 18311-18318.

Research output: Contribution to journalArticle

Harvard

Balslev, D, Odoj, B & Karnath, H-O 2013, 'Role of somatosensory cortex in visuospatial attention' The Journal of Neuroscience, vol 33, no. 46, pp. 18311-18318. DOI: 10.1523/JNEUROSCI.1112-13.2013

APA

Balslev, D., Odoj, B., & Karnath, H-O. (2013). Role of somatosensory cortex in visuospatial attention. The Journal of Neuroscience, 33(46), 18311-18318. DOI: 10.1523/JNEUROSCI.1112-13.2013

Vancouver

Balslev D, Odoj B, Karnath H-O. Role of somatosensory cortex in visuospatial attention. The Journal of Neuroscience. 2013 Nov 13;33(46):18311-18318. Available from, DOI: 10.1523/JNEUROSCI.1112-13.2013

Author

Balslev, Daniela; Odoj, Bartholomaeus; Karnath, Hans-Otto / Role of somatosensory cortex in visuospatial attention.

In: The Journal of Neuroscience, Vol. 33, No. 46, 13.11.2013, p. 18311-18318.

Research output: Contribution to journalArticle

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@article{f273fd4575d64ab8ac69babb02109ca8,
title = "Role of somatosensory cortex in visuospatial attention",
abstract = "The human somatosensory cortex (S1) is not among the brain areas usually associated with visuospatial attention. However, such a function can be presumed, given the recently identified eye proprioceptive input to S1 and the established links between gaze and attention. Here we investigated a rare patient with a focal lesion of the right postcentral gyrus that interferes with the processing of eye proprioception without affecting the ability to locate visual objects relative to her body or to execute eye movements. As a behavioral measure of spatial attention, we recorded fixation time during visual search and reaction time for visual discrimination in lateral displays. In contrast to a group of age-matched controls, the patient showed a gradient in looking time and in visual sensitivity toward the midline. Because an attention bias in the opposite direction, toward the ipsilesional space, occurs in patients with spatial neglect, in a second study, we asked whether the incidental coinjury of S1 together with the neglect-typical perisylvian lesion leads to a milder neglect. A voxelwise lesion behavior mapping analysis of a group of right-hemisphere stroke patients supported this hypothesis. The effect of an isolated S1 lesion on visual exploration and visual sensitivity as well as the modulatory role of S1 in spatial neglect suggest a role of this area in visuospatial attention. We hypothesize that the proprioceptive gaze signal in S1, although playing only a minor role in locating visual objects relative to the body, affects the allocation of attention in the visual space.",
author = "Daniela Balslev and Bartholomaeus Odoj and Hans-Otto Karnath",
year = "2013",
month = "11",
doi = "10.1523/JNEUROSCI.1112-13.2013",
volume = "33",
pages = "18311--18318",
journal = "The Journal of Neuroscience",
issn = "0270-6474",
publisher = "Society for Neuroscience",
number = "46",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Role of somatosensory cortex in visuospatial attention

AU - Balslev,Daniela

AU - Odoj,Bartholomaeus

AU - Karnath,Hans-Otto

PY - 2013/11/13

Y1 - 2013/11/13

N2 - The human somatosensory cortex (S1) is not among the brain areas usually associated with visuospatial attention. However, such a function can be presumed, given the recently identified eye proprioceptive input to S1 and the established links between gaze and attention. Here we investigated a rare patient with a focal lesion of the right postcentral gyrus that interferes with the processing of eye proprioception without affecting the ability to locate visual objects relative to her body or to execute eye movements. As a behavioral measure of spatial attention, we recorded fixation time during visual search and reaction time for visual discrimination in lateral displays. In contrast to a group of age-matched controls, the patient showed a gradient in looking time and in visual sensitivity toward the midline. Because an attention bias in the opposite direction, toward the ipsilesional space, occurs in patients with spatial neglect, in a second study, we asked whether the incidental coinjury of S1 together with the neglect-typical perisylvian lesion leads to a milder neglect. A voxelwise lesion behavior mapping analysis of a group of right-hemisphere stroke patients supported this hypothesis. The effect of an isolated S1 lesion on visual exploration and visual sensitivity as well as the modulatory role of S1 in spatial neglect suggest a role of this area in visuospatial attention. We hypothesize that the proprioceptive gaze signal in S1, although playing only a minor role in locating visual objects relative to the body, affects the allocation of attention in the visual space.

AB - The human somatosensory cortex (S1) is not among the brain areas usually associated with visuospatial attention. However, such a function can be presumed, given the recently identified eye proprioceptive input to S1 and the established links between gaze and attention. Here we investigated a rare patient with a focal lesion of the right postcentral gyrus that interferes with the processing of eye proprioception without affecting the ability to locate visual objects relative to her body or to execute eye movements. As a behavioral measure of spatial attention, we recorded fixation time during visual search and reaction time for visual discrimination in lateral displays. In contrast to a group of age-matched controls, the patient showed a gradient in looking time and in visual sensitivity toward the midline. Because an attention bias in the opposite direction, toward the ipsilesional space, occurs in patients with spatial neglect, in a second study, we asked whether the incidental coinjury of S1 together with the neglect-typical perisylvian lesion leads to a milder neglect. A voxelwise lesion behavior mapping analysis of a group of right-hemisphere stroke patients supported this hypothesis. The effect of an isolated S1 lesion on visual exploration and visual sensitivity as well as the modulatory role of S1 in spatial neglect suggest a role of this area in visuospatial attention. We hypothesize that the proprioceptive gaze signal in S1, although playing only a minor role in locating visual objects relative to the body, affects the allocation of attention in the visual space.

U2 - 10.1523/JNEUROSCI.1112-13.2013

DO - 10.1523/JNEUROSCI.1112-13.2013

M3 - Article

VL - 33

SP - 18311

EP - 18318

JO - The Journal of Neuroscience

T2 - The Journal of Neuroscience

JF - The Journal of Neuroscience

SN - 0270-6474

IS - 46

ER -

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ID: 80301337