Læknablaðið - 15.01.2009, Page 33

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Unilateral neglect: A review of causes, anatomical localization,
theories and interventions
Unilateral neglect is usually caused by right hemisphere
damage from stroke, leading to difficulties in attending
to stimuli in the left perceptual hemifield. As an example,
a patient suffering from neglect may read only the right
part of a word or the right part of sentences, or eat only
from the right side his plate. Neglect is more common,
and most often more severe, following infarcts in the
right hemisphere than the left. Brain damage leading to
neglect usually involves infarcts in the inferior parietal lobe,
temporo-parietal junction and/or the superior temporal
lobe. Most theories of the nature of neglect assume that
neglect involves dysfunctional attentional mechanisms.
Increased understanding of neglect has led to the
development of several effective therapeutic interventions,
where prism adaptation has received the most attention in
recent years. This article reviews brain damage in neglect,
theories of neglect, therapeutic methods for neglect and
their possible future developments.
Key words: Unilateral neglect, attention, visual perception, location of
lesions, theoríes, interventions.
Saevarsson S, Kristjansson A, Hjaltason H. Unilateral neglect: A review of causes, anatomical localization,
theories and interventions. Icel Med J 2009; 95: 27-33.
Correspondence: Styrmir Sævarsson: saevarsson@daad-alumni.de
Barst: 1. júlí 2008, - samþykkt til birtingar: 10. desember 2008.
LÆKNAblaðið 2009/95 33
ENGLISH SUMMARY