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Publication
Variabilidade da frequência cardíaca em repouso, desejo e frequência sexual
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Abstract(s)
O sistema nervoso simpático e o sistema nervoso parassimpático são dois ramos do sistema nervoso autónomo que influenciam a frequência cardíaca fazendo variar os intervalos entre batimentos cardíacos – a variabilidade da frequência cardíaca (VFC). Maior VFC em repouso tem-se correlacionado com vários indicadores de saúde e melhor função sexual. O objetivo do presente estudo é examinar separadamente para ambos os sexos, as relações entre a VFC em repouso (potência de alta frequência - VFC_AF e baixa frequência - VFC_BF), por um lado, e a satisfação, desejo e frequência sexual, por outro. A amostra foi constituída por 85 mulheres e por 60 homens. O desejo sexual foi medido com questões acerca da frequência de desejo de coito vaginal, masturbação e sexo não coital. O desejo sexual feminino e masculino foram ainda medidos pelas respetivas subescalas do International Index of Erectile Function Function (IIEF) e do Female Sexual Function Index (FSFI). A satisfação sexual é avaliada pela escala respetiva da Li-Sat (Life Satisfaction) scale. A frequência sexual é acedida através da pergunta da frequência (em dias) dos comportamentos sexuais no mês precedente. Na amostra feminina a frequência coital associou-se a maior VFC_AF e o desejo por coito a menor VFC_AF. Na amostra masculina não se verificaram correlações entre VFC_AF e a frequência coital e a VFC_AF foi correlacionada com o desejo por masturbação. A frequência coital poderá ser facilitada por maior atividade parassimpática em repouso. O desejo poderá resultar de quer alta ou baixa atividade parassimpática em repouso.
The sympathetic nervous system and the parasympathetic nervous system are two branches of the autonomic nervous system that influence heart rate by varying the intervals between heart beats - heart rate variability (HRV). Higher HRV at rest has been correlated with several indicators of health and better sexual function. The aim of the present study is to examine separately, for both female and male, the relationships between HRV at rest (high frequency power - HF and low frequency - LF), on the one hand, and sexual satisfaction, desire and frequency, on the other. The sample consisted of 85 women and 60 men. Sexual desire was measured with questions about the frequency of desire for vaginal intercourse, masturbation, and noncoital sex. Female and male sexual desire were further measured by the respective International Index of Erectile Function Function (IIEF) and Female Sexual Function Index (FSFI) subscales. Sexual satisfaction is assessed by the respective Li-Sat (Life Satisfaction) scale. Sexual frequency is accessed by asking the frequency (in days) of sexual behaviors in the preceding month. In the female sample, coital frequency was associated with higher HF and desire for vaginal intercourse with lower HF. In the male sample there were no correlations between HF and coital frequency and HF was correlated with desire for masturbation. Coital frequency may be facilitated by greater parasympathetic activity at rest. Desire may result from either high or low parasympathetic activity at rest.
The sympathetic nervous system and the parasympathetic nervous system are two branches of the autonomic nervous system that influence heart rate by varying the intervals between heart beats - heart rate variability (HRV). Higher HRV at rest has been correlated with several indicators of health and better sexual function. The aim of the present study is to examine separately, for both female and male, the relationships between HRV at rest (high frequency power - HF and low frequency - LF), on the one hand, and sexual satisfaction, desire and frequency, on the other. The sample consisted of 85 women and 60 men. Sexual desire was measured with questions about the frequency of desire for vaginal intercourse, masturbation, and noncoital sex. Female and male sexual desire were further measured by the respective International Index of Erectile Function Function (IIEF) and Female Sexual Function Index (FSFI) subscales. Sexual satisfaction is assessed by the respective Li-Sat (Life Satisfaction) scale. Sexual frequency is accessed by asking the frequency (in days) of sexual behaviors in the preceding month. In the female sample, coital frequency was associated with higher HF and desire for vaginal intercourse with lower HF. In the male sample there were no correlations between HF and coital frequency and HF was correlated with desire for masturbation. Coital frequency may be facilitated by greater parasympathetic activity at rest. Desire may result from either high or low parasympathetic activity at rest.
Description
Dissertação de Mestrado apresentada no ISPA – Instituto Universitário para obtenção de grau de Mestre na especialidade de Psicologia da Saúde.
Keywords
Variabilidade da frequência cardíaca Frequência sexual Desejo sexual Heart rate variability Sexual frequency Sexual desire