Electronic Screen Syndrome: Does blue sreen affect behaviour?
According to the Nielson Total Audience Report (2018), an American Adult spends about ten hour per day on screen, which include television, smartphones and computers. The numbers are high and may raise questions about the effects of electronic devices on the brain and human behavior.
The term Electronic Screen Syndrome was written by the psychiatrist Victoria Dunckley and published in 2014 with the title “Gray Matters: Too Much Screen Time Damages the Brain”. The scientist explain that children are having some behavioral disorders that are caused by electronic screens. Some of them are impulsive, temperamental and can’t pay attention. Dunckley explains that kids suffer from sensory overload, lack of restorative sleep, and a hyper-aroused nervous system .
In her published article, the researcher and psychiatrist reviews several scientific studies that show that addiction to the internet and games can cause the gray matter to shrink in several brain areas, especially in regions that exercise planning, organization, impulse control and prioritization functions. In addition to affecting areas of gray matter correlated with emotional processing, empathy and the reward system, the electronic screen syndrome also affects white matter, reducing connectivity. Therefore, addiction to electronic devices can generate cognitive deficits and compromise the function of dopamine, a neurotransmitter of pleasure and emotion. However, when compared to intensity and effect, addiction to screens does not have the same effect as drug addiction, but both activate the mesolimbic system, responsible for human emotions. The statement was made by Nicolas Morgan, youth counselor.
Additionally, an article published by Harvard Medical School Article shows that the blue light of electronic devices changes our circadian rhythm, considered our biological clock.
References:
Sousa, A. Addicted to Blue (Screens). https://chapinchronicle.org/showcase/2019/04/30/addicted-to-blue-screens/
Morgan, N. How and why are our screens so addictive?
https://www.nicolamorgan.com/life-online/how-and-why-are-our-screens-so-addictive/#
Henricks, T. Screen Addiction: What Are We Looking For?
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