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Although the brain is a powerful sex organ, the nerves are the actual “wires” that transmit pleasure impulses to the brain. Similarly, even though other nerve endings throughout the body contribute to sexual encounters and climaxes, the following principal nerves provide information to the brain from the genitalia: The hypogastric nerve transmits information from the uterus, cervix, and prostate; the vagus nerve transmits information from the cervix, uterus, and vagina; the pudendal nerve transmits information from the clitoris, penis, and scrotum; and the pelvic nerve transmits information from the vagina, cervix, and rectum in both sexes. Orgasms caused by stimuli other than sexual excitement have been reported anecdotally, which is compatible with the existence of these distinct brain pathways.
The Sexual Response
Not only does your mind experience a whirlwind of erogenous activity during sexual activity, but so does your body. Two pioneers in the study of sexuality, William Masters and Virginia Johnson, saw live sex acts and recorded the resulting physiological changes to better understand the human sexual response.
The sexual response cycle consists of four phases: arousal, plateau, orgasmic climax, and resolution. Helen Singer Kaplan, a sex therapist, later identified the cognitive and psychological aspects of the sexual response and proposed a three-stage paradigm (desire, excitement, and climax).
These linear models inspired the development of supplementary frameworks, such as cyclical ones that contain predictors for a sexual response such as seduction, emotional intimacy, and relationship satisfaction. I have added the anticipation phase in this revised model because I feel that both mental and physiological processes contribute to a successful sexual response.
However, there is a great deal of variety in the sexual response cycle, and the structure below is merely a general outline. Depending on your physiology and how you respond to sex, you may or may not experience every step or set of physical symptoms during every sexual encounter.
The Role of Anticipation
Frequently, the most thrilling aspect of sex is the anticipation of it. Reading hotel reviews, purchasing new resort attire, and researching must-do activities can be as exciting as the actual vacation. Even though the physical changes that occur during sexual anticipation are not immediately noticeable, they are nonetheless significant. The pleasure center, which regulates the production of dopamine, is among the brain regions stimulated in anticipation of a reward, according to research.
Classical conditioning, according to the scientific community, can prime the body for a happy sexual experience by priming it for the experience itself when we mentally anticipate it or meet indications that previously contributed to pleasure. Wanting something can be its own emotion, or it might be the forerunner to a more strong emotion. You may like gentle, affectionate contact that leads to an extended cuddling session, or you may prefer hard, deep kisses, bites, and spankings.
Sexual Intensity
You may not be able to predict the direction of your desires as the sex session develops, as their intensity may fluctuate. It is a popular belief that sex usually reaches a crescendo, but this is not always the case. It is conceivable to experience a surge of intense desire followed by a plateau or to rush headfirst into passionate encounters with no desire at all.
The EXCITEMENT phase of the sexual response is marked by a diverse array of apparent physical characteristics. Due to an increase in blood supply to these tissues, the genitalia, breasts, and lips all swell and change color. An increase in blood flow to the skin’s surface causes a sex flush. As the clitoris swells and the uterus drapes upward, the vagina becomes lubricated. As the scrotum contracts, the man’s penis becomes straighter and his testicles ascend. As the nipples tighten, it becomes harder to take a deep breath, and your heart, respiration, and blood pressure all accelerate.
During the PLATEAU stage, the level of excitement increases further. The hood conceals the clitoral glans. As the uterus continues to ascend, the outer vaginal third continues to enlarge. Increases in muscle tension, heart rate, respiration rate, and blood pressure persist. Muscle spasms are possible as the testicles rise near the body.
ORGASM is frequently seen as the apex of sexual interaction, yet it can feel extremely different for each individual and each sexual encounter. When your mind no longer wanders and your body does all the thinking, you may experience a wonderful sense of relaxation. Involuntary muscular contractions in the pelvic region also contribute to the onset of an orgasmic state. The frequency of these contractions begins at 0.6 seconds and subsequently decreases to 0.8 seconds. If oxytocin is produced in the spinal cord area that controls pupil size, the pupils will dilate. A man ejaculates when he empties his bladder into his urethra.
During RESOLUTION, swollen and erect bodily parts return to their natural size and color. Some people become quite exhausted, while others may continue sexual activity quickly after resting. The refractory period is the time it takes a man to recover after an injury; it varies between individuals and tends to grow with age.
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