Reference Work Entry

Encyclopedia of Clinical Neuropsychology

pp 1722-1728

Neglect Syndrome

  • Mark MennemeierAffiliated withNeurobiology and Developmental Sciences, University of Arkansas for Medical Sciences


Amorphosynthesis​; Hemiagnosia; Left (or right) neglect; Spatial neglect; Unilateral neglect; Visual neglect; Visuospatial angnosia; Visuospatial neglect

Short Description or Definition

The neglect syndrome (or more simply, neglect) is a fascinating and multifaceted neurological disorder. Patients with neglect act as if portions of their world do not exist. In addition to spatial neglect, they may appear unconcerned about their hemi-paresis and even deny ownership of a limb on the neglected side of their body. A widely cited operational definition states that persons with neglect fail to report, respond, or orient to external stimulation (or mental representations of sensory events) located contralateral to a brain lesion (i.e., contralesional) when the failure cannot be attributed to a primary sensory or motor deficit such as hemianopia or paralysis (Heilman, Watson, & Valenstein, 1985). Not surprisingly, neglect has and continues to inspire ...

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