[New approaches to diagnosis of hysteria]

Postural stability or fluctuation of general centre of gravity (GCG) was investigated in 14 patients with hysteric motor disorders(alterations of statics and walking, pseudopareses) by means of stabilograph. Comparative groups included 7 patients with hemipareses of vascular origin, 7 patients with multiple sclerosis with spastico and atactic disturbances and 7 healthy individuals. The amplitudes of GCG fluctuations in both sagittal and frontal planes as well as their correlations were analysed. It was shown that amplitude of GCG vibration was maximal in hysteriac patients. However patterns of regulation of postural control in hysteriac patients (correlation of amplitudes of vibrations in sagittal and frontal planes) were similar to those of healthy individuals and differed significantly from organic models.