Did you know smartphone addiction is affecting your teen’s brain?
Washington DC [USA], Dec 2 : Do you also keep checking your cell phone in every five minutes for news, information or maybe an occasional phone call? If yes, then you may need to take a break, as researchers have found an imbalance in the brain chemistry of teenagers addicted to smartphones and internet. According to a recent Pew Research Centre study, 46 per cent of Americans say they could not live without their smartphones. Researchers from the Korea University in Seoul, South Korea used magnetic resonance spectroscopy (MRS) to gain unique insight into the brains of smartphone - and internet - addicted teenagers. MRS is a type of MRI that measures the brain's chemical composition. The team analysed 19 young people (mean age 15.5, nine males) diagnosed with internet or smartphone addiction. 12 of the addicted youth received nine weeks of cognitive behavioural therapy, modified from a cognitive therapy programme for gaming addiction. "The higher the score, the more severe the addiction," said researcher Hyung Suk Seo. The results indicated that the addicted teenagers had significantly higher scores in depression, anxiety, insomnia severity and impulsivity. The researchers performed MRS exams on the addicted youth prior to and following behavioural therapy and a single MRS study on the control patients to measure levels of gamma aminobutyric acid, or GABA, a neurotransmitter in the brain that inhibits or slows down brain signals, and glutamate-glutamine (Glx), a neurotransmitter that causes neurons to become more electrically excited. The results revealed that the ratio of GABA to Glx was significantly increased in the anterior cingulate cortex of smartphone - and internet - addicted youth prior to therapy. Having too much GABA can result in a number of side effects, including drowsiness and anxiety. "The increased GABA levels and disrupted balance between GABA and glutamate in the anterior cingulate cortex may contribute to our understanding the pathophysiology of and treatment for addictions," Seo noted. The research is presented today at the annual meeting of the Radiological Society of North America (RSNA).
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