View in EDS HTML Full Text PDF Full Text

Separating neural correlates of allocentric and egocentric neglect: Distinct cortical sites and common white matter disconnections.

Saved in:
Bibliographic Details
Title: Separating neural correlates of allocentric and egocentric neglect: Distinct cortical sites and common white matter disconnections.
Authors: Chechlacz, Magdalena (AUTHOR), Rotshtein, Pia (AUTHOR), Bickerton, Wai-Ling (AUTHOR), Hansen, PeterC. (AUTHOR), Deb, Shoumitro (AUTHOR), Humphreys, GlynW. (AUTHOR)
Source: Cognitive Neuropsychology. May2010, Vol. 27 Issue 3, p277-303. 27p. 4 Color Photographs, 1 Diagram, 5 Charts, 1 Graph.
Subjects: Egoism, Self-interest, Neuroanatomy, Neurobiology, Social psychology
Abstract: Insights into the functional nature and neuroanatomy of spatial attention have come from research in neglect patients but to date many conflicting results have been reported. The novelty of the current study is that we used voxel-wise analyses based on information from segmented grey and white matter tissue combined with diffusion tensor imaging to decompose neural substrates of different neglect symptoms. Allocentric neglect was associated with damage to posterior cortical regions (posterior superior temporal sulcus, angular, middle temporal and middle occipital gyri). In contrast, egocentric neglect was associated with more anterior cortical damage (middle frontal, postcentral, supramarginal, and superior temporal gyri) and damage within subcortical structures. Damage to intraparietal sulcus (IPS) and the temporo-parietal junction (TPJ) was associated with both forms of neglect. Importantly, we showed that both disorders were associated with white matter lesions suggesting damage within long association and projection pathways such as the superior longitudinal, superior fronto-occipital, inferior longitudinal, and inferior fronto-occipital fascicule, thalamic radiation, and corona radiata. We conclude that distinct cortical regions control attention (a) across space (using an egocentric frame of reference) and (b) within objects (using an allocentric frame of reference), while common cortical regions (TPJ, IPS) and common white matter pathways support interactions across the different cortical regions. [ABSTRACT FROM AUTHOR]
Copyright of Cognitive Neuropsychology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
Full text is not displayed to guests.
FullText Links:
  – Type: pdflink
Text:
  Availability: 1
Header DbId: pbh
DbLabel: Psychology and Behavioral Sciences Collection
An: 55053546
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Separating neural correlates of allocentric and egocentric neglect: Distinct cortical sites and common white matter disconnections.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Chechlacz%2C+Magdalena%22">Chechlacz, Magdalena</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rotshtein%2C+Pia%22">Rotshtein, Pia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bickerton%2C+Wai-Ling%22">Bickerton, Wai-Ling</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hansen%2C+PeterC%2E%22">Hansen, PeterC.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deb%2C+Shoumitro%22">Deb, Shoumitro</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Humphreys%2C+GlynW%2E%22">Humphreys, GlynW.</searchLink> (AUTHOR)
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Cognitive+Neuropsychology%22">Cognitive Neuropsychology</searchLink>. May2010, Vol. 27 Issue 3, p277-303. 27p. 4 Color Photographs, 1 Diagram, 5 Charts, 1 Graph.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Egoism%22">Egoism</searchLink><br /><searchLink fieldCode="DE" term="%22Self-interest%22">Self-interest</searchLink><br /><searchLink fieldCode="DE" term="%22Neuroanatomy%22">Neuroanatomy</searchLink><br /><searchLink fieldCode="DE" term="%22Neurobiology%22">Neurobiology</searchLink><br /><searchLink fieldCode="DE" term="%22Social+psychology%22">Social psychology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Insights into the functional nature and neuroanatomy of spatial attention have come from research in neglect patients but to date many conflicting results have been reported. The novelty of the current study is that we used voxel-wise analyses based on information from segmented grey and white matter tissue combined with diffusion tensor imaging to decompose neural substrates of different neglect symptoms. Allocentric neglect was associated with damage to posterior cortical regions (posterior superior temporal sulcus, angular, middle temporal and middle occipital gyri). In contrast, egocentric neglect was associated with more anterior cortical damage (middle frontal, postcentral, supramarginal, and superior temporal gyri) and damage within subcortical structures. Damage to intraparietal sulcus (IPS) and the temporo-parietal junction (TPJ) was associated with both forms of neglect. Importantly, we showed that both disorders were associated with white matter lesions suggesting damage within long association and projection pathways such as the superior longitudinal, superior fronto-occipital, inferior longitudinal, and inferior fronto-occipital fascicule, thalamic radiation, and corona radiata. We conclude that distinct cortical regions control attention (a) across space (using an egocentric frame of reference) and (b) within objects (using an allocentric frame of reference), while common cortical regions (TPJ, IPS) and common white matter pathways support interactions across the different cortical regions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Cognitive Neuropsychology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=55053546
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/02643294.2010.519699
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 27
        StartPage: 277
    Subjects:
      – SubjectFull: Egoism
        Type: general
      – SubjectFull: Self-interest
        Type: general
      – SubjectFull: Neuroanatomy
        Type: general
      – SubjectFull: Neurobiology
        Type: general
      – SubjectFull: Social psychology
        Type: general
    Titles:
      – TitleFull: Separating neural correlates of allocentric and egocentric neglect: Distinct cortical sites and common white matter disconnections.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Chechlacz, Magdalena
      – PersonEntity:
          Name:
            NameFull: Rotshtein, Pia
      – PersonEntity:
          Name:
            NameFull: Bickerton, Wai-Ling
      – PersonEntity:
          Name:
            NameFull: Hansen, PeterC.
      – PersonEntity:
          Name:
            NameFull: Deb, Shoumitro
      – PersonEntity:
          Name:
            NameFull: Humphreys, GlynW.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 05
              Text: May2010
              Type: published
              Y: 2010
          Identifiers:
            – Type: issn-print
              Value: 02643294
          Numbering:
            – Type: volume
              Value: 27
            – Type: issue
              Value: 3
          Titles:
            – TitleFull: Cognitive Neuropsychology
              Type: main
ResultId 1