[Neuropsychological symptoms in opticochiasmatic arachnoiditis].

The picture of neuropsychological signs detected in 34 patients with optoschiasmatic arachnoiditis was analyzed before and after surgical treatment and a course of treatment with optic nerve electrostimulation. Pathological process was shown to spread on optic nerves and schiasma, and on other brain structures as well, e. g., frontal lobes basal regions. Besides, the impairment of a range of psychic functions could result from the decrease in the general brain activation levels related to a reduced flow of visual information due to fast progress of visual disorders. In this respect, the least favorable was first year of the disease. Verbal mnestic functions were improved under effective treatment restoring the vision.