이중과제의 동조효과가 언어 이해 속도에 미치는 영향

다국어 초록 (Multilingual Abstract)

There is a significant correlation between language and mental resources. To perform concurrently a couple of tasks exceeding our limited mental resources, we have to effectively allocate our limited mental resources or maximize our mental resources. The main purpose of this study was to investigate the 'entrainment effect' of dual tasks to increase the speed of language comprehension with 30 young normal people. To investigate the entrainment effect of dual tasks, all participants were asked to perform concurrently visuo-manual tracking and sentence plausibility judgment in which tracking errors and vocal reaction times were measured as the dependent variables. The results showed that subjects revealed faster comprehension speed in the faster tracking condition than the slower tracking condition. However, there was no significant difference of tracking errors according to the level of sentence difficulties. There was no speed-accuracy trade-off between the speed of sentence comprehension and sentence plausibility judgment accuracy. It indicated that the entrainment effect caused by visuo-manual tracking might increase the speed of language comprehension. The results of this study indicated that the entrainment effect might introduce a new intervention technique to rehabilitate persons with aphasia. Therefore, it was hoped that appropriate stimuli modalities and presentation methods to utilize the entrainment effect would be investigated in the future.

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