Abstract
Usually, the level of asymmetry between the left and right brain caused by the difference between left and right brain functions is seen in an EEG analysis, as we see in the literature. A prerequisite for optimizing brain function is appropriate symmetry between the left brain and the right brain. In this paper, we developed a neurofeedback system to improve emotional disorders, such as anxiety and depression, and to optimize the brain function. Our experiment confirmed an enhancement in the symmetry of left/right brain activities and EEGs in each training section. A comparison of the results for the first and third weeks of the experiment showed a considerable increase in alpha and beta waves, and we found that the symmetry between the left and right brain activities was improved. The system might be applied in various fields, including education programs improving concentration for children and medical treatments to improve depression and insomnia for adults.
Highlights
The study of the human brain has rapidly advanced in areas such as brain science, brain engineering, and brain medicine
The level of left and right brain asymmetry caused by the differentiation of brain functions can be seen in an EEG analysis
We aimed to develop a neurofeedback system to improve emotional disorders such as anxiety and depression and to optimize brain function
Summary
The study of the human brain has rapidly advanced in areas such as brain science, brain engineering, and brain medicine. The cerebrum in particular is made up of a left and right brain, or two hemispheres. Each hemisphere has developed to perform different functions involving logical problems in the left brain and sensory problems in the right brain. The differences between the left and right sides of the brain is referred to in brain science as the differentiation of brain function [1]. The level of left and right brain asymmetry caused by the differentiation of brain functions can be seen in an EEG analysis. A prerequisite to optimize brain function is proper symmetry between the left brain and right brain [2]. Asymmetry of the left and right hemispheres causes emotional tendencies to be different, and an increase in this difference can produce symptoms such as anxiety and depression [3]
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