Artículos de revistas
Multimodal evoked potentials and the ovarian cycle in young ovulating women
Fecha
2000-06-01Registro en:
Arquivos de Neuro-Psiquiatria, v. 58, n. 2 B, p. 418-423, 2000.
0004-282X
10.1590/S0004-282X2000000300004
S0004-282X2000000300004
WOS:000088040700004
2-s2.0-0034200496
2-s2.0-0034200496.pdf
1346461670550428
5248388716505709
Autor
Universidade Estadual Paulista (Unesp)
Institución
Resumen
There is controversy over how hormonal conditions influence cerebral physiology. We studied pattern-shift visual evoked potentials (PS-VEP), brain stem auditory evoked potentials (BAEP) and short-latency somatosensory evoked potentials (SSEV) in 20 female volunteers at different phases of the menstrual cycle (estrogen phase, ovulatory day and progesterone phase). Statistical analysis showed decreased latencies for P 100 (PS-VEP), N 19and P 22 (SSEV) waves in the progesterone phase compared with the estrogen phase. There was no significant difference between the estrogen and the ovulation day values. Comparing the three above stages, there were no significant differences in the brainstem auditory evoked potentials. The reduction of the latencies of the potentials generated in multisynaptic circuits provides the first consistent neurophysiological basis for a tentative comprehension of human pre-menstrual syndrome.