Changes in Cognitive Functions Following Violent and Football Video Games in Young Male Volunteers by Studying Brain Waves

Authors

  • Elaheh Tekieh Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
  • Hamed Aliyari Faculty of Electrical, Biomedical and Mechatronics Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran.
  • Hassan Agaei Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
  • Hedayat Sahraei Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
  • Marjan Erfani Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
  • Maryam Salehi Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
  • Masoomeh Kazemi Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
  • Mohammad Mohammadi Human Motion Control and Computational Neuroscience Laboratory, School of ECE, College of Engineering, University of Tehran,Tehran, Iran.
  • Mohammad Reza Daliri Department of Electrical Engineering, University of Science and Technology, Tehran, Iran.
  • Mohammad Sahraei Faculty of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:

Introduction: This research investigated the effects of violent and football video games on cognitive functions, cortisol levels, and brain waves. Methods: A total of 64 participants competed in a single-elimination tournament. Saliva samples of all players were obtained before and after the games for the assessment of cortisol levels. The cognitive performances of the players were also assessed by paced auditory serial addition test. Moreover, the electroencephalogram recording was conducted during the games.  Results: The results showed that salivary cortisol levels significantly decreased after playing both games. Also, playing the football game increased reaction time, whereas decreased sustained attention and mental fatigue.  Conclusion: Conversely, following playing a violent game, the reaction time decreased, and sustained attention and mental fatigue increased. Furthermore, the results of the EEG recording revealed that playing a violent game engaged more brain regions than the football game. In conclusion, playing violent game more effectively improved cognitive performances in the players than the football game.

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volume 11  issue 3

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publication date 2020-05

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