J Korean Neuropsychiatr Assoc JKNA Journal of Korean Neuropsychiatric Association 1015-4817 2289-0963 Korean Neuropsychiatric Association 10.4306/jknpa.2019.58.2.115 Special Article The Clinical Use of Electroencephalography in Psychiatry Addiction and Quantitative Electroencephalography Lee Jaewon MD PhD Easybrain Clinic, Seoul, Korea. Address for correspondence: Jaewon Lee, MD, PhD. Easybrain Clinic, 174 Saimdang-ro, Seocho-gu, Seoul 06627, Korea. Tel +82-2-583-9080, Fax +82-2-583-9082, sonton21@gmail.com 05 2019 31 05 2019 58 2 115 124 26 04 2019 08 05 2019 08 05 2019 Copyright © 2019 Korean Neuropsychiatric Association 2019 Korean Neuropsychiatric Association

Quantitative electroencephalography (QEEG) has a long history and its clinical usefulness has gradually become well known. QEEG is a noninvasive, easy, comfortable and inexpensive way to check the brain status, but it is not specific to a diagnosis and requires sufficient experience in its clinical interpretation. The techniques and parameters of QEEG are increasingly being developed and studied, so their utilization will become more widespread in the future. QEEG in addiction disorders has not been fully studied, but it has many possibilities. The symptoms of addiction disorder and QEEG characteristics in some addictions show features that are clinically beneficial to diagnosis and treatment. Various complementary studies in the future are expected to make it more useful in clinics.

 Quantitative electroencephalography Addiction Alcohol addiction Internet gaming disorder

The author has no financial conflicts of interest.

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