A patient with a severe organic schizophreniform illness is described in whom the bizarre psychotic features were related to a non-dominant parietal lobe lesion. This case is a severe and unusual form of the neuro-psychiatric disorder, somatoparaphrenia. The relationship of this condition to other disorders of parietal lobe function is discussed.
We report evidence that visual representations of space close to the body can be extended when a patient uses a tool to explore the environment. HB had severe neglect of left and far spatial regions which was determined more by how locations were visually perceived than by how they were represented tactilely or through proprioception. His ability to detect… (More)