Hemispatial neglect
Hemispatial Neglect
Hemispatial neglect (pronounced: he-mi-spatial ne-glect), also known as unilateral spatial neglect or contralateral neglect, is a neuropsychological condition often associated with stroke or brain injury.
Etymology
The term "hemispatial" is derived from the Greek word "hemi" meaning "half" and the Latin word "spatium" meaning "space". "Neglect" is derived from the Latin word "neglegere" meaning "to disregard".
Definition
Hemispatial neglect is characterized by reduced awareness of stimuli on one side of space. It is most commonly observed following damage to the right hemisphere of the brain, resulting in neglect of the left side of space.
Symptoms
Symptoms of hemispatial neglect can include failure to acknowledge objects or people on the affected side, difficulty navigating through space, and even neglect of the patient's own body.
Diagnosis
Diagnosis of hemispatial neglect is typically made through clinical observation and neuropsychological testing, such as the line bisection test and the cancellation test.
Treatment
Treatment for hemispatial neglect often involves occupational therapy and cognitive rehabilitation, with the aim of improving spatial awareness and functional independence.
Related Terms
- Anosognosia: A condition in which a person who suffers from a disability seems unaware of or denies the existence of their disability.
- Extinction (neurology): A neurological disorder that impairs the ability to perceive multiple stimuli of the same type simultaneously.
- Spatial disorientation: A condition in which a person loses their sense of direction.
External links
- Medical encyclopedia article on Hemispatial neglect
- Wikipedia's article - Hemispatial neglect
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