Monitoring and controlling one’s own learning process objectively is essential for improving one’s learning abilities. This ability, often referred to as “learning to learn” or “metacognition,” has been studied in educational psychology. Owing to the tight coupling between the higher meta-level and the lower object-level cognitive systems, a conventional reduction approach has difficulty understanding the neural basis of metacognition. To overcome this limitation, the researchers employed a novel research approach where they compared the metacognition of artificial intelligence (AI) to that of humans.
First, they demonstrated that the metacognitive system of AI, which aims to maximize rewards and minimize punishments, can effectively regulate learning speed and memory retention in response to the environment and task. Second, they demonstrated the metacognitive behavior of human motor learning, which demonstrates that providing monetary feedback as a function of memory can either promote or suppress motor learning and memory retention. This constitutes the first-ever empirical demonstration of the bi-directional regulation of implicit motor learning abilities by economic factors. Notably, while AI exhibited equal metacognitive abilities for reward and punishment, humans exhibited an asymmetric response to monetary gain and loss; humans adjust their memory retention in response to gain and their learning speed in response to loss. This asymmetric property may provide valuable insights into the neural mechanisms underlying human metacognition.
Researchers anticipate that these findings could be effectively applied to enhance the learning abilities of individuals engaging in new sports or motor-related activities, such as post-stroke rehabilitation training.
This work was supported by the Japan Society for the Promotion of Science KAKENHI (JP19H04977, JP19H05729, and JP22H00498). TS was supported by a JSPS Research Fellowship for Young Scientists and KAKENHI (JP19J20366). NS was supported by NIH R21 NS120274.
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