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Changes in visual evoked potentials during the menstrual cycle in young women.
Avitabile, Teresio; Longo, Antonio; Caruso, Salvatore; Gagliano, Caterina; Amato, Roberta; Scollo, Davide; Lopes, Rossella; Pulvirenti, Luigi; Toto, Lisa; Torrisi, Benedetto; Agnello, Carmela.
Afiliação
  • Avitabile T; Eye Clinic, University of Catania, Catania, Italy. Clinica.Oculistica@mbox.unict.it
Curr Eye Res ; 32(11): 999-1003, 2007 Nov.
Article em En | MEDLINE | ID: mdl-18027176
ABSTRACT

PURPOSE:

Since, during the menstrual cycle, changes in neuronal activity and in auditory, olfactory, and taste thresholds were found, visual evoked potentials were investigated. MATERIALS &

METHODS:

In 50 healthy women the latency and the amplitude of P100 wave of pattern reversal visual evoked potentials were measured during the different menstrual phases (follicular, periovular, and luteal), as determined by sonography and serum progesterone level.

RESULTS:

Compared with the follicular phase, during the luteal phase significant reduction in latency (101.29+/-4.42 vs. 104.76+/-5.02 ms, P<0.01) and increase in amplitude (10.44+/-3.15 vs. 8.62+/-3.09 microV, P<0.05) were recorded.

CONCLUSIONS:

Fluctuations in ovarian steroid hormones affect the excitability of the visual system.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Potenciais Evocados Visuais / Ciclo Menstrual Limite: Adult / Female / Humans Idioma: En Ano de publicação: 2007 Tipo de documento: Article
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Potenciais Evocados Visuais / Ciclo Menstrual Limite: Adult / Female / Humans Idioma: En Ano de publicação: 2007 Tipo de documento: Article