Covert Responses:

"Responses can make many forms. In addition to immediate overt responses, there are covert responses and those that do not become overt until much later. Covert responses consist of changes in the state of the receiver, which potentially alter its responses in the future. If these changes are impossible for us to perceive without special tools or vantages, they are covert."

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"covert behavior may occur 'when individuals attempt to solve a difficult problem', as when they might try to privately solve the problem 'in their heads.' "

"Skinner (1969) relies on introspection for attributing behavioral features to the inner events: 'Some of the objects of introspection are private (covert) responses'. "

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"Covert behavior is that class of on-going human reactions which occur exclusively 'within the skin.' "

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"Palmer states that as the strength of a response decreases, it will become less likely that the response will be detected, at some point dropping below the threshold of observability and becoming a covert response."

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"Imagined speech (silent speech or covert speech) is thinking in the form of sound – 'hearing' one’s own voice silently to oneself, without the intentional movement of any extremities such as the lips, tongue, or hands."

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"Inner speech—also known as covert speech or verbal thinking[.]"

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"Some covert behaviors are only detectable by the person who is performing them, in which case they are truly private, whereas others may be detected by special means."

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Was sind die Vorteile, die damit verknüpft sind, das wir leise bzw. still sprechen können, und das wir somit nicht stets gezwungen sind, unsere verbalen Gedankengänge laut auszusprechen?

Weiters: Was sind die Vorteile, die damit vernüpft sind, dass beim Menschen Sex generell im Verborgenen stattfindet?

In diesem Zusammenhang sind möglicherweise auch Richard D. Alexanders Überlegungeen, die "Sphere of secrecy" betreffend, von Interesse.