Effect of practice on the perception of temporal patterns |
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Authors: | Stephen Handel William E. Lewis |
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Affiliation: | a Department of Psychology, Kansas State University, |
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Abstract: | The effect of practice on the organization and the rate of identification of temporal patterns was investigated. The patterns involved a set of eight dichotomous left-right elements, repeated without interruption until the subject was able to identify the patterns. The patterns were presented in the auditory, tactual, or visual modalities, or in pairs of these modalities. In some conditions, all the pattern elements were presented in one modality; in other conditions, four elements were presented in one modality and the remaining four elements were presented in the second modality.
The results demonstrated that when all pattern elements were presented in one modality, naive subjects organized the sequence into a well-structured pattern; practiced subjects organized the sequence into a pattern beginning at the starting element. These patterns may be poorly-structured. When four pattern elements were presented in each of two modalities, naive subjects organized the elements in each modality separately; practiced subjects disregarded the modality structure and organized the sequence into a well-structured pattern.
These changes in organization suggest a hierarchy of perceptual modes; perception by modality (i.e. by sensations) is least complex, perception by pattern structure is intermediate, and perception by start point is most complex. Changes in the rate of pattern identification confirm this hierarchy. Furthermore, the changes in organization and identification found for highly practiced patterns were also found for novel patterns. |
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