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#1. Timothy was cooking last week when he accidentally inhaled black pepper, causing him to sneeze uncontrollably. At the exact moment he inhaled the pepper, a car alarm began blaring loudly outside his window. Now, whenever Timothy hears a car alarm, he immediately sneezes. If a Board Certified Behavior Analyst (BCBA) wanted to implement respondent extinction for Timothy’s sneezing in response to car alarms, which of the following procedures would be most appropriate?
This scenario describes respondent classical or Pavlovian conditioning Lets break down the components Unconditioned Stimulus UCS Inhaling black pepper naturally elicits sneezing Unconditioned Response UCR Sneezing the natural unlearned reaction to black pepper Neutral Stimulus NS The car alarm initially it does not elicit sneezing Pairing The NS car alarm was presented simultaneously with the UCS black pepper Conditioned Stimulus CS After pairing the car alarm now elicits sneezing Conditioned Response CR Sneezing in response to the car alarm a learned response Respondent extinction is the process of weakening and eventually eliminating a conditioned response This is achieved by repeatedly presenting the conditioned stimulus CS in the absence of the unconditioned stimulus UCS until the conditioned response CR no longer occurs Option B Repeatedly present the car alarm conditioned stimulus without the presence of black pepper unconditioned stimulus until sneezing no longer occurs This option correctly describes the procedure for respondent extinction By repeatedly presenting the car alarm CS without the pepper UCS the association between the two stimuli weakens and the car alarm will eventually cease to elicit sneezing Option A Identify the function of Timothys sneezing behavior and withhold reinforcement for that function This approach applies to operant behavior where behaviors are maintained by consequences reinforcement Sneezing in response to a car alarm is a respondent behavior which is elicited by a stimulus not emitted for a consequence Therefore withholding reinforcement is not an appropriate procedure for respondent extinction Option C Present black pepper unconditioned stimulus repeatedly without the car alarm until sneezing no longer occurs This procedure would not extinguish the conditioned response to the car alarm Presenting the UCS black pepper would continue to elicit the UCR sneezing and it does not address the learned association with the car alarm Option D Withhold the car alarm conditioned stimulus from Timothys environment entirely to prevent the conditioned response While withholding the CS would prevent the CR from occurring it would not lead to extinction Extinction requires exposure to the CS without the UCS for the association to weaken If the CS were simply avoided the conditioned response would likely reappear if Timothy encountered a car alarm again in the future
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