As a result, directly established stimulus functions of words can transfer to other words, symbols, and events indirectly via higher order conditioning.
The principle of higher order conditioning states that when a stimulus, previously neutral with respect to a particular response, has acquired CS functions to elicit that response ([r.
By doing so, however, persons also establish various stimulus functions to otherwise neutral stimulus events via higher order conditioning and transfer of emotional functions.
The failure of higher order conditioning to account for the strength of the CR.
A central tenet of PB is that emotional meaning is acquired via direct classical conditioning and/or indirectly though language experiences via higher order conditioning.