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Learning and Conditionin3

Learning and Conditionin3 - Learning and Conditioning...

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Learning and Conditioning Biological Influences Conditioning accounts for a lot of learning, both in humans and nonhuman species. However, biological factors can limit the capacity for conditioning. Two good examples of biological influences on conditioning are taste aversion and instinctive drift. Taste Aversion Psychologist John Garcia and his colleagues found that aversion to a particular taste is conditioned only by pairing the taste (a conditioned stimulus) with nausea (an unconditioned stimulus). If taste is paired with other unconditioned stimuli, conditioning doesn’t occur. Similarly, nausea paired with most other conditioned stimuli doesn’t produce aversion to those stimuli. Pairing taste and nausea, on the other hand, produces conditioning very quickly, even with a delay of several hours between the conditioned stimulus of the taste and the unconditioned stimulus of nausea. This phenomenon is unusual, since normally classical conditioning occurs only when the unconditioned stimulus immediately follows the conditioned stimulus.
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