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Stimulation, in general, refers to how organisms perceive incoming stimuli. As such it is part of the stimulus-response mechanism. Simple organisms broadly react in three ways to stimulation: too little stimulation causes them to stagnate, too much to die from stress or inability to adapt, and a medium amount causes them to adapt and grow as they overcome it.
Sexual stimulation is a broad term, usually understood to mean physical touching of the genitals or other body parts. The term can, however, include stimuli affecting the mind (sexual fantasy), [1] or senses other than touch sight, smell, or hearing). Sufficient physical stimulation of the genitals usually results in an orgasm.
Stimming behavior is almost always present in autistic people, but does not, on its own, necessarily indicate the diagnosis. [9] [23] The biggest difference between autistic and non-autistic stimming is the type of stim and the quantity of stimming. [23]
If the stimulus does not warrant a strong enough response, it is said to not reach absolute threshold, and the body does not react. However, if the stimulus is strong enough to create an action potential in neurons away from the photoreceptor, the body will integrate the information and react appropriately.
In this context, a distinction is made between the distal stimulus (the external, perceived object) and the proximal stimulus (the stimulation of sensory organs). [ 1 ] In perceptual psychology , a stimulus is an energy change (e.g., light or sound) which is registered by the senses (e.g., vision, hearing, taste, etc.) and constitutes the basis ...
Equally, if sexual stimulation stops before orgasm, the physical effects of the stimulation, including the vasocongestion, will subside in a short time. Repeated or prolonged stimulation without orgasm and ejaculation can lead to discomfort in the testes (corresponding to the slang term "blue balls" [12]).
During intercourse or other forms of sexual stimulation with a partner, one person stimulates the other(s) and reduces the level of stimulation when approaching orgasm. Erotic sexual denial occurs when the partner who is in control of the other partner's orgasm prolongs the orgasm to allow for an increased level of sexual tension. [5]
Masturbation has a similar meaning, but is not synonymous; masturbation is only physical stimulation of the genitals by oneself [4] while autoeroticism encompasses all stimulation by oneself (masturbation or sexual thoughts), as well as involuntary experiences (wet dreams or spontaneous sexual arousal).