NDLI: Strategy changes and activation of the prefrontal cortex

Content Provider	IEEE Xplore Digital Library
Author	Yasuda, T. Kobayashi, H.
Copyright Year	2008
Description	Author affiliation: Grad. Sch. of Adv. Sci. & Technol., Tokyo Denki Univ., Hatoyama (Yasuda, T.; Kobayashi, H.)
Abstract	We investigated the relationship between strategy variations in skill acquisition and the use of prefrontal cortex. We used a computerized mirror drawing task in which the participants repeated tracing a star-shape displayed on a computer monitor using a joystick. Changes of the cerebral blood flow were measured by near infra-red spectroscopy (NIRS). Performance measures were traced lengths and the number of errors. The results suggest that when a human was conducting a skilled performance such as smooth tracing, the decrease of activation of the prefrontal cortex (PFC) was observed. But it was NOT observed when the same human was conducting an unskilled performance. The study also showed that adding or subtracting assistance influenced brain activation and suggested that strategy changes occurred. The activation of PFC can be a useful source of information to know the performance status in skill acquisition and to know appropriate timing of assistance.
Starting Page	2818
Ending Page	2823
File Size	1403848
Page Count	6
File Format	PDF
ISBN	9788995003893
DOI	10.1109/ICCAS.2008.4694239
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-14
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	ICROS
Subject Keyword	Spectroscopy Information resources near-infrared spectroscopy Humans prefrontal cortex Length measurement Infrared spectra Blood flow Computer displays Fluid flow measurement Human Adaptive Mechatronics (HAM) Computer errors strategy variations Mirrors
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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