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Acute injection of clomipramine or a 24-hour period of sleep deprivation produces an increased firing rate in lateral septal neurons of the rat. However, it is unknown whether changes in firing rate in lateral septal neurons also appear after repetitive treatments. This study explored and compared the effects of long-term clomipramine with those of sleep(More)
The present study was designed to explore whether changes occur in psychophysiological variables in healthy women not suffering from premenstrual tension. Variations in electroencephalogram frequencies, reaction time, somatosensory evoked potentials, and nerve conduction velocity were examined in a sample of 30 women, in relation to scores from the Hamilton(More)
Many symptoms that define the premenstrual syndrome (PMS) are present in depressive states. The fact that there are not adequate animal models to study the PMS may explain the lack of knowledge about its etiology. An alternative might be the use of animal models which are useful to study depression, such as the forced swimming test. Eighteen female rats(More)
This survey explored how fifth-grade Mexican premenarcheal girls (N = 80) and their teachers (N = 16) view the preparation students receive about menstruation at school. The most discussed topics in class included hygiene and body functions. The main discrepancies between girls and teachers were as follows: (a) more teachers than girls reported that they(More)
The forced swimming test is an animal model that is sensitive to the different antidepressant treatments. On the other hand, it is also sensitive to the characteristic changes suffered by animals that have been previously exposed to different depression models. In the present study we explored the effects of inescapable shocks on the forced swimming test,(More)
College students from Mexico and the United States (n = 349) were surveyed to explore stereotypes regarding women in different menstrual cycle phases and other stages of reproductive life. Participants from both countries defined a premenstrual or menstrual woman as irritable and moody and a menopausal woman as old and irritable. A woman with a hysterectomy(More)
Most women present some premenstrual symptoms, which may be influenced by diverse sociocultural factors. The authors studied the premenstrual symptoms of 89 healthy Mexican women living in rural areas and whose education ranged from no schooling to middle school attendance, and 182 women living in urban areas whose education ranged from elementary school to(More)
Most women experience changes surrounding the start of menstruation. These changes are influenced by sociocultural context. Consequently, certain changes are more pronounced in some cultures than in others. Girls enter menarche with a clear set of paramenstrual expectations that may alter their menstrual cycle-related experiences when they become(More)
OBJECTIVE Most women have some premenstrual symptoms that may be influenced by diverse environmental factors. The aim of this study was to determine the influence of knowledge about premenstrual syndrome (PMS) in the reports of women and their symptoms. METHOD We studied 86 healthy Mexican women whose highest level of education was sixth grade.(More)
The objective of this study was to explore the beliefs and attitudes toward menopause among young and middle-aged Mexican women and men, as well as the menopausal-related symptoms that middle-aged women report or expect and that other participants think a menopausal woman experiences. The beliefs about and attitudes toward Menopause Questionnaire and the(More)