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Contextual control in habituation: Diminution and potentiation of the startle response in humans.
The study examines the effects of context change on the habituation of the startle response in humans. In Experiment 1 the startle response was measured in three phases: pre-test, habituation, and post-test. For one group, the phases occurred in the same context, while for another, the habituation p...
The study examines the effects of context change on the habituation of the startle response in humans. In Experiment 1 the startle response was measured in three phases: pre-test, habituation, and post-test. For one group, the phases occurred in the same context, while for another, the habituation phase occurred in a different context. The results indicated that the different group had a more marked decrease between the pre-test and post-test than the same group. In Experiment 2, the same design was replicated, and the same results were obtained as in Experiment 1, although a different stimulus was used in the pre-test and post-test. Although the results are not statistically conclusive, they suggest that the context could be acquiring long-term potentiating properties that reduce the level of decrement that would be observed if only a habituation process existed.
