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World’s first*1 report: A potential effectiveness of Plasmacluster Technology that may induce brain activation

PRNewswire July 26, 2023

Validation of the mechanism of its enhancing effect on human work performance by measuring brain function *2

OSAKA, Japan, July 26, 2023 /PRNewswire/ — Sharp Corporation conducted collaborative research on its Plasmacluster technology, with Dr. Goichi Hagiwara, Associate Professor, Faculty of Human Sciences, Kyushu Sangyo University. When the mechanism of its enhancing effectiveness on human work performance is validated by measuring brain function, Sharp confirmed for the first time in the world, the potential to induce brain activation by exposing working people to Plasmacluster ions with positive and negative ions emitted simultaneously.

Through research using brain wave measurements, Sharp has demonstrated that its Plasmacluster technology contribute to the enhancing effectiveness on work performance (the reducing stress and maintaining the concentration of people working indoors or driving a car*3, 4 and the improvement of exercise training efficiency*5,6and esports scores*7 and so on), and this time, Sharp could approach specific mechanism for the first time.

From the results so far, Sharp considered the possibility of Plasmacluster technology effect not only on brain waves but also on blood flow (cerebral blood flow) in the prefrontal cortex, which is closely associated with concentration and cognition. Therefore, in this research, Sharp used a device to measure the changes in cerebral blood flow and then compared the changes under the following conditions: when subjects were not exposed to Plasmacluster ions (air flow only) and exposed to Plasmacluster ions.

As a result, the changes in cerebral blood flow that occurs during brain activation was confirmed when subjects were exposed to Plasmacluster ions, and it is suggested that this brain activation by the Plasmacluster technology contribute to the mechanism of the enhancing effectiveness on human work performance.

Plasmacluster technology is an air purification technology that uses the same positive and negative ions as those present in nature. A high level of safety and various effectiveness have been confirmed by conducting tests at independent third-party testing institutions in and outside Japan for more than 20 years. With the discovery of the potential of Plasmacluster technology to induce brain activation as a turning point, Sharp will continuously conduct the verification of the effectiveness and its mechanism against the human being to enhance its reliability, and will study the additional effectiveness and applicability of Plasmacluster technology to the new field.

Comments from Dr. Goichi Hagiwara, Associate Professor, Kyushu Sangyo University

Research on positive or negative ions only has been conducted till now, but there has been little progress in research emitting both simultaneously. In this research, the potential for brain activation to be induced by Plasmacluster technology with positive and negative ions emitted simultaneously was confirmed for the first time, and this is very significant for advancing research in this field. it is possible that work performance such as sports, learning, daily operations and so on is enhanced by improvement of the ability to think and take action due to this brain activation, so I look forward to further application of Plasmacluster technology in the future.

*1   Research results of ion emission type air purification technology in which positive and negative ions are emitted simultaneously (as of May 30, 2023; based on Sharp findings).

*2   Measuring brain activity by measuring brain wave, and the changes in cerebral blood flow. it is used for not only to basic research but also to simple diagnosis on the brain.

*3   Verification of the suppression of stress and maintenance of concentration while working indoors  https://jp.sharp/plasmacluster-tech/closeup/closeup01/

*4   Verification of the suppression of stress and maintenance of concentration while driving a car https://jp.sharp/plasmacluster-tech/closeup/closeup05/ 

*5   Verification of improvement of exercise training efficiency with Plasmacluster technology  https://jp.sharp/plasmacluster-tech/closeup/closeup06/ 

*6   Hagiwara et al. Effectiveness of Positive and Negative Ions for Elite Japanese Swimmers’ Physical Training: Subjective and Biological Emotional Evaluations. Applied Sciences. 2020, 10(12), 4198. https://doi.org/10.3390/app10124198 

*7   Hagiwara et al. Effect of positive and negative ions in esports performance and arousal levels. Journal of Digital Life. 2021, 1,2. https://doi.org/10.51015/jdl.2021.1.2 

  • Plasmacluster and the Plasmacluster logos are registered trademarks of Sharp Corporation.

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