Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Hemispatial Neglect

  • Mark MennemeierEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1371

Synonyms

Hemiagnosia; Left (or right) neglect; Spatial neglect; Unilateral neglect; Visual neglect; Visuospatial agnosia; Visuospatial neglect

Definition

Hemispatial neglect is one element of the neglect syndrome. Neglect is operationally defined as the failure to report, respond, or orient either to external sensory stimulation or mental representations of sensory events when the failure is not attributable to a primary sensory or motor deficit (Heilman et al. 1985). Hemispatial neglect denotes the consistency with which neglect occurs on one side of space located contralateral to brain injury. Hemispace is notsynonymous with the sensory hemifields; rather, each cerebral hemisphere is presumed to direct attention and movement in contralateral hemispace independent of the sensory hemifields or of the extremity used to operate in hemispace. In other words, the cerebral hemispheres are organized hemispatially with regard to attention and intention. While neglect may not be strictly...

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References and Readings

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Neurobiology and Developmental SciencesUniversity of Arkansas for Medical SciencesLittle RockUSA