- References
Whenever a reaction R is evoked from an organism there is left an increment of primary negative drive IR which inhibits to a degree according to its magnitude the reaction potential SER to that response (Hull, 1951, p. 74).
According to Hull's postulate X.B. inhibition I dissipates exponentially with time t:.:
With the passage of time since its formation IR spontaneously dissipates approximately as a simple decay function of the time t elapsed, i.e.,Hull's decay formula is somewhat awkward and might give rise to confusion. For example, I'R does not refer to the derivative of IR. A more convenient way of writing the formula would be as follows:(Hull, 1951, p. 74).
with 
. 
is the inhibition at the beginning the time interval [0,t]. Note, that if one takes the natural logarithm of both sides one obtains:
where 
and 
. The last formula is used in inhibition theory.
References
- Hull, C.L.: Essentials of behavior. Westport (Connecticut): Greenwood Press, 1951.
1 : Perception
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