General intellectual impairment in chronic right hemisphere damaged patients with anosognosia: a group study

Neuropsychological Rehabilitation
F MattioliC Scarpazza

Abstract

The study evaluates the possible relations between cognitive impairment, persisting anosognosia for hemiplegia and peripersonal neglect. Thirty eight chronic right hemisphere stroke patients were divided in three age- and education-matched groups: A (n = 13) patients with left hemiparesis, peripersonal neglect, and anosognosia for hemiplegia; B (n = 12) patients with left hemiparesis and peripersonal neglect, and C (n = 13) patients with left hemiparesis only. We used MMSE and WAIS Verbal IQ and verbal subtests to assess cognitive impairment in patients, in order to avoid a bias due to visuospatial deficit, which is common in patients with neglect. VIQ, Information, Digit Span and Vocabulary WAIS subtests as well as MMSE were found to be significantly lower in group A versus group B. No difference was found in any test between groups B and C, indicating a general worse cognition in patients compared to those without anosognosia for hemiplegia. Patients with anosognosia for hemiplegia also showed larger brain lesions and, more frequently, frontal, parietal, temporal and basal ganglia involvement, particularly if they had low verbal IQ, indicating a relationship between cognitive impairment, persisting anosognosia for hemiplegia ...Continue Reading

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Citations

Jul 31, 2013·Neuropsychological Rehabilitation·Ian I Kneebone, Fiona W Jeffries
Jun 11, 2014·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Mari E Nurmi Laihosalo, Mervi Jehkonen
Feb 17, 2015·Neuropsychological Rehabilitation·Philip Gerard Gasquoine
Jun 25, 2014·Neuropsychological Rehabilitation·Sahba BesharatiAikaterini Katerina Fotopoulou
Apr 11, 2018·Frontiers in Human Neuroscience·Ilka BuchmannJennifer Randerath

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