Childhood-onset schizophrenia is associated with significant progressive loss of cerebellar volume during adolescence, consistent with previously reported decreases in total cerebral and cortical gray matter. At least in these patients with severe early-onset schizophrenia, the loss appears secondary to a generalized process.

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Posterior alien hand syndrome is a new addition to a poorly understood group of movement disorders. Historically, anatomical lesions causing uncontrolled limb movement and a feeling of foreignness were found to be located in the corpus callosum or frontal lobe. Recent case reports, however, demonstrate the typical symptoms of alien hand syndrome with lesions located in the parietal/occipital lobes. Disturbance of normal function in these regions tends to produce less complex motor activity, such as hand levitation, along with a sensory component characterized by feeling of estrangement. We discuss a patient who presented with unusual symptoms following an outpatient procedure and was found to have posterior alien hand syndrome.

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