THE STATE OF SENSORY AND MOTOR CENTERS IN PATIENTS WITH HYPOTHYROIDISM

Abstract
The state of sensory (detd. by the fusion frequency of flicker) as well as that of motor centers (detd. by the maximum frequency of finger movements) was deteriorated in patients with disturbances of the endocrine system characterized by diminished B.M.R. and increased blood cholesterol content. In some patients the decrease of fusion frequency, in other patients the decrease of motor frequency was more pronounced. 11 of 13 patients had values of fusion frequency lower than the lowest value of 45 normal subjects, the other 2 had values that coincided with the lowest normal values. These results explain the disposition to increased fatigability of those patients, as the fusion frequency of flicker is diminished in nervous fatigue. The weakness of motor centers is shown by the increase of the drop of frequency during the performance of 1 min.

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