Learn Before
Timing in Acquisition
The time interval between the presentation of the conditioned stimulus and the unconditioned stimulus is a crucial factor in classical conditioning. While this interval is often very brief, sometimes as short as five seconds, it can extend to several hours in specific cases, such as taste aversion.
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Conditioned Stimulus (CS)
Timing in Acquisition
Example of Classical Conditioning Processes: The Ice Cream Truck
A researcher is training a rat in a special cage. The researcher plays a specific tone, and two seconds later, a small food pellet is dispensed. Initially, the rat ignores the tone. After 30 trials, the researcher observes that the rat now approaches the food dispenser as soon as the tone is played. Which statement best analyzes this initial learning phase?
A researcher is training a pigeon to peck a key for a food reward. In the initial phase of the experiment, a red light is turned on for two seconds, immediately followed by the delivery of a food pellet. This procedure is repeated multiple times. After several trials, the researcher observes that the pigeon begins to approach the food dispenser as soon as the red light comes on. Which statement best describes this initial phase of the experiment?
Ice Cream Truck Example of Acquisition
Learn After
Taste Aversion
A researcher is conducting two separate experiments to teach a laboratory rat to associate a flashing light with receiving a food pellet. In Experiment A, the light flashes, and a food pellet is delivered 2 seconds later. In Experiment B, the light flashes, and a food pellet is delivered 45 minutes later. Based on the general principles of how such associations are formed, which outcome is most probable?