Basic paradigm of CC
UCS
stimulus that elicits a particular response WITHOUT training
UCR
response that occurs to a stimulus without prior training
CS
stimulus that does not elicit a particular response initially but comes do to so as a result of becoming associated with an unconditioned stimulus
CR
response that comes to be made to the conditioned stimulus as a result of classical conditioning
Higher-order conditioning
Procedure in which a previously conditioned stimulus (CS1) is used to condition a new stimulus (CS2)
- CS2 comes to elicit the CR
Two phases of higher-order conditioning
2. CS (light) + CS (tone) = CR salivation
Variables influencing effectiveness of conditioning
Sequencing
forward or backward
Backward conditioning
CS shortly AFTER UCS
Intervals
Short delay interval
CS shortly BEFORE UCS
Long-delay interval
CS BEFORE UCS with longer delay
Trace (interval)
US AFTER CS is terminated for a short period
Simultaneous
UCS and CS = simultaneously presented
Belongingness
extent to which CS is relevant or belongs w UCS
Rats conditioned w sickness learn stronger aversion to
taste
Rats conditioned w shock learn stronger aversion to
audiovisual stimuli
Salience
Stimuli intensity or significance, or noticeability
- learning will occur more rapidly w more salient stimuli
preexposure
Subjects familiarized w a US before it’s pairing with CS are slower to develop conditioned responding to the CS
Discrimination = established thru
selective reinforcement
extinction
Experimental neuroses results from
requiring too fine a discrimination
extinction in CC
involves repeated presentations of the CS by itself
extinction in OC
involves no longer presenting the reinforcer as consequence of the instrumental response