Auditory pattern perception: The effect of tonal frequency range on the perception of temporal order
Tóm tắt
Previous research in auditory sequence recognition based on the order of the components has suggested two conflicting hypotheses. This paper explores possible reasons for the conflict, and proposes a $hybrid% hypothesis consistent with the published data: The discrimination of sequences is better when permuted tones belong to a single perceived group, but the order of tones in different perceived groups is available. In the present study, subjects discriminated sequences forming two perceived groups, only one of which contained an order change, and sequences in three control conditions. Even though the experimental condition included order changes in one perceived group as well as among tones in different perceived groups, discrimination performance was significantly worse than in the control conditions, and fell to chance when all conditions were presented in random order. Performance improved significantly when the experimental condition was presented alone. This result supports the hybrid hypothesis, but several alternative explanations are discussed.
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