A Division of the American Association for

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ARTICLES
	CROSS-CULTURAL COMPARISONS: BIRTH CONTROL PRACTICES
	THE MALE SEXUAL ORGANS: NERVE SUPPLY OF THE PENIS - THE SYMPATHETIC NERVOUS SYSTEM
	SEXUAL AVOIDANCE: AVOIDING MORE THAN SEX ITSELF
	NATURAL MEN’S HEALTH: SEXUAL HEALTH - LOW LIBIDO - TREATMENT & PREVENTION PROGRAM
	EVALUATING THE EFFECTS OF BIRTH CONTROL PILLS ON SEXUALITY
	WHAT ARE THE COMMON STAGES OF INTERCOUSES?
	SAW PALMETTO: NATURE’S PROSTATE HEALER: HERBAL HAIR-RAISER?
	WHAT TO DO IF YOU HAVE PROSTATE CANCER: THE WATCHFUL WAITING DEBATE
	MENTAL HYGIENE OF SEX: MOST OF THE IMPORTANT PROBLEMS OF SEX ARE SOCIAL PROBLEMS
	THE SEXUAL INSTINCT: INTERNAL & EXTERNAL STIMULUSES

THE SEXUAL INSTINCT: INTERNAL & EXTERNAL STIMULUSES

Contrary to popular opinion, human beings do not possess a highly specific sexual instinct that guides them infallibly to normal expression of the impulse. Of course, when the stimulation of the genital organs through physical contact has reached a certain point, there is a series of reflexes which occur that are highly specific and partly involuntary. But, apart from these bodily reflexes, the instinct is very vaguely defined. Sexual interest is capable of attaching itself to almost any object, and the specific object upon which it hits in its earliest stages depends upon the many accidents of one's experience and training.

The sexual impulse, like some other reactions in man and the animals, is a three-cornered affair, consisting of (1) an internal stimulus, (2) an external stimulus, and (3) a motor response. In order to produce the complete sexual reaction, both the internal stimulus and external stimulus must be present. This will be clearer after the two stimuli and the various phases of the motor response have been described.

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Men's Health-Erectile Dysfunction