| Summary: | Anosognosia for hemiplegia (AHP) is relatively common among patients who suffer from a stroke. It is characterized as a denial of bodily paralysis and the complexity of studying it is evident. Anosognosia is a neuropsychological deficit of self-awareness and most frequently associated with both cortical and subcortical lesions distributed within the right hemisphere, resulting in a left hemiplegia. The purpose of this review is to provide a comprehensive overview of AHP by presenting theoretical, clinical, and neural aspects. Different diagnostic procedures have attempted to clinically evaluate patients with AHP. The timing of assessment and the characteristic differences between these procedures are crucial factors to consider. Various theories regarding the underlying mechanisms of AHP are also discussed in this review, suggesting the cause of AHP from different perspectives. In order to confirm or disconfirm these theories, several studies are presented concerning the neural aspects, such as the frequency, related disorders, and anatomical correlates of AHP.
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