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Nocturnal clitoral tumescence

– Definition and Nature: – Nocturnal clitoral tumescence (NCT) is colloquially known as morning bean. – It is a spontaneous swelling of the clitoris during […]

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– Definition and Nature:
– Nocturnal clitoral tumescence (NCT) is colloquially known as morning bean.
– It is a spontaneous swelling of the clitoris during sleep or upon waking up.
– Similar to males’ nocturnal penile tumescence, females experience clitoris tumescence and vaginal engorgement mainly during REM sleep.
– Fisher et al. noted that NCT occurs in about 95% of REM phases and more frequently in non-REM sleep.
– NCT’s magnitude is comparable to that induced by erotic stimulation when awake.

– Research and Documentation:
– The phenomenon of NCT was first documented in 1970 by Karacan et al.
– A follow-up study in 1983 by Fisher et al. further explored patterns of female sexual arousal during sleep and waking.
– Fisher et al. found that the increase in vaginal blood flow during NCT is akin to the process in men, occurring frequently during REM sleep.
– Each episode of NCT appears to be shorter in duration.
– NCT was compared to the magnitude of vaginal blood flow induced by erotic stimulation when awake.

– Related Topics:
– Rapid eye movement sleep is associated with NCT, as it mainly occurs during the REM sleep phase.
– Research in female sexual arousal during sleep and waking has shed light on NCT.
– The clitoral erection cycle during sleep was studied by Karacan et al.
– Further understanding of NCT contributes to the knowledge of sexual arousal in females.
– NCT is an aspect of anatomy that is still being explored and understood.

– References:
– Robert Michels (1985) published a work on Psychiatry, which may contain relevant information.
– Fisher et al. (1983) conducted a study on patterns of female sexual arousal during sleep and waking, providing valuable insights.
– Karacan et al. (1970) first documented the clitoral erection cycle during sleep, contributing to the understanding of NCT.
– Additional references on NCT may be found in scholarly articles and publications.
– The study of NCT and its implications on female sexual arousal is an ongoing area of research.

– Expansion and Contribution:
– The article on NCT may require additional citations for verification.
– Contributions to expanding the understanding of NCT are welcomed.
– NCT is a significant aspect of female sexual arousal that warrants further exploration.
– The anatomy of NCT is still a developing area of study.
– Understanding NCT can provide insights into female sexual response mechanisms.

Nocturnal clitoral tumescence (Wikipedia)

Nocturnal clitoral tumescence (NCT), colloquially known as morning bean, is a spontaneous swelling of the clitoris during sleep or when waking up. Similar to the process in males, nocturnal penile tumescence, females experience clitoris tumescence and engorgement of the vagina mainly during the REM sleep phase.

According to Fisher et al., the increase in vaginal blood flow associated with NCT during REM sleep is similar to the process in men in frequency, i.e. 95% of REM phases. It does occur a bit more often in non-REM sleep, and each episode appears shorter in duration. In terms of magnitude, NCT is similar to that induced by erotic stimulation when awake. The phenomenon was first documented in 1970 by Karacan et al., with a single aforementioned follow-up study in 1983 by Fisher et al.

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