Persimmon fruits have been put to various medicinal and chemical uses. Like the tomato, persimmons are not popularly considered to be berries, but in terms of botanical morphology the fruit is in fact a berry.he non-astringent persimmon is squat like a tomato and is most commonly sold as fuyu. Non-astringent persimmons are not actually free of tannins as the term suggests, but rather are far less astringent before ripening, and lose more of their tannic quality sooner.
A classical conditioning procedure for changing the relationship between a conditioned stimulus and its conditioned response. aversive conditioning : A form of treatment that consists of repeated pairings of a stimulus with a very unpleasant stimulus. habituation : Decreased responsiveness to a stimulus after repeated presentations. operant conditioning Also called instrumental conditioning, a form of associative learning in which the consequences of a behavior change the probability of the behavior's occurrence.
Sensory adaptation is defined as the diminished sensitivity to a stimulus as a consequence of constant exposure to that stimulus.