Disturbances of spatial perception in a patient with agenesis of the corpus callosum.
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Agenesis of Corpus Callosum↗
Biomedical subjects
J D Meerwaldt
Publications and source records attributed to J D Meerwaldt.
Spatial disorientation in right-hemisphere infarction: a study of the speed of recovery.
Sixteen patients with an infarct in the posterior region of the right hemisphere were tested at fixed intervals after a stroke (2 weeks, 6 weeks, 3 months, 6 months, 1 year) with the rod orientation test and the line orientation test. All patients initially showed spatial disorientation on the rod orientation test, while only three had a defective performance on the line orientation test. The recovery on the rod orientation test was parallel with the neurological improvement. Recovery mainly took place in the first six months after the stroke. Most patients then performed at a normal level. A relation between the size of the lesion (assessed from CT scans) and the speed of recovery was found.
Adolescent↗
[Improper treatment of patients with parkinsonism due to drug use].
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Dyskinesia, Drug-Induced↗
Spatial disorientation in right-hemisphere infarction.
Spatial orientation was tested with the rod orientation test. The subjects were 40 normal controls and 68 brain-damaged patients with cerebral infarcts. Patients in whom the lesion included the post-rolandic region of the right hemisphere performed worse than controls or patients with lesions at other sites. Patients with an exclusively postrolandic (usually occipital) lesion showed higher error rates than patients with a combined prerolandic and postrolandic lesion, but only for the visual part of the test. These patients were re-examined one year after the stroke. Most of them showed an incomplete recovery of spatial function.
Adult↗