a case with an astrocytoma in the right basal ganglia , suspected of having originated from the posterior ventro-lateral part of the thalamus , without any clinical findings indicating severe internal hydrocephalus and cortical damaged , showed dissociation of sleep stages between the two hemispheres , i.e. , the affected side always fell earlier into deeper stages of sleep and was more difficult to arouse by sonic stimulations than the other side .
C0037088
clinical findings
C0085639
fell