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Abstract #3010

The Neural mechanisms in relation to transfer effects of intensive shooting training to enhanced visuospatial working memory

Kyung Eun Jang 1 , Jeehye Seo 1 , Seong-Uk Jin 1 , Jang Woo Park 1 , Mun Han 1 , Yang-Tae Kim 2 , Kyung Jin Suh* 3 , and Yongmin Chang* 1,4

1 Department of Medical & Biological Engineering, Kyungpook National University, Daegu, Korea, 2 Department of Psychiatry, School of Medicine, Keimyung University, Daegu, Korea, 3 Department of Radiology, College of Medicine, Dongguk University, Gyungju, Gyeongsangbuk-do, Korea, 4 Department of Radiology and Molecular Medicine, Kyungpook National University, Daegu, Korea

Recently, there is a growing interest in training effect of working memory. It has been demonstrated that training induced improvement in working memory was shown in several domains such as updating, shifting, and inhibition. Furthermore, some studies suggest transfer effects of working memory training to cognitive reasoning and fluid intelligence. These findings could be attributable to improvements in general working memory capacity by training program. To the best of our knowledge, the plastic changes in neural networks associated with visuospatial working memory after sports training have been seldom studied. In the present study, we are aimed to investigate the dynamic neural changes in neural activation related to transfer effects of shooting training on visuospatial working memory, using fMRI. We used the difficult version of the judgment of line orientation (JLO) task, which is a well-established visuospatial task to assess angular orientation of lines. Overall, our finding of greater activations in fronto-parietal networks and basal ganglia during the JLO after training suggest not only dynamic neural changes in relation to training but also transfer effects of training to visuospatial working memory. Transfer effects of training to non-trained tasks might be explained by the underlying similarities neural networks as well as neurotransmitter. Thus, higher activity of fronto-parietal networks in this study might provide the basis for transfer effects of shooting training to the JLO task and increased activity of striatum together with increased release of dopamine might also provide a more general mechanism that mediates transfer effects of shooting training to the JLO task.

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