Research Article | OPEN ACCESS
Effects of Learning Task Difficulties on the Prefrontal Brain Area
Amin Zammouri and Abdelaziz Ait Moussa
Department of Computer Sciences, Faculty of Sciences, Mohammed First University, Bd Med VI, B.P. 717, 60000 Oujda, Morocco
Research Journal of Applied Sciences, Engineering and Technology 2016 3:232-236
Received: January 17, 2016 | Accepted: April 22, 2016 | Published: August 05, 2016
Abstract
This study addresses the issue of estimating mental efforts during a learning task based on brain signal measurements. The aim of this study is to describe how a Brain-Computer Interface (BCI) can be used as a direct communication tool between the human brain and a machine in the context of learning. Such devices are based on analyzing the electrical brain activity measurements using different brain exploration technics. In this study we describe an offline method to highlight effects of changing difficulty levels of a learning task on the prefrontal brain area status. Based on a single ElectroEncephaloGraphic (EEG) channel and using the Fisher-Snedecor test our proposed algorithm describes changes of Delta (0.5-3Hz), Theta (4-7Hz) and Alpha (8-11Hz) band powers. By using the Kappa coefficients, to assess the agreement rate between the algorithm decisions and those made by an expert, experimental results show a rate of 62% of agreement. This reflects the efficiency of the proposed method in distinguishing effects of difficulty levels of a learning task on the prefrontal brain area.
Keywords:
Brain waves, cognitive task, mental effort, mental status,
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Competing interests
The authors have no competing interests.
Open Access Policy
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Copyright
The authors have no competing interests.
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