Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive cognitive dysfunction and behavioral impairment. It is currently the most common type of dementia in the old age. At present, the clinical treatment of Alzheimer's disease is expensive and has side effects, so it is very important to explore new methods of treatment for AD. Investigators designed a prospective, randomized, double-blinded and placebo-controlled trial to investigate the effect of transcranial alternating current stimulation (tACS) on cognitive function in AD patients and to assess the biological effectiveness of the treatment.
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Cognitive appraisal
Timeframe: A total of 5 times will be measured, before the treatment, immediately after the treatment, 1-, 3- and 6-month follow-ups.
Global Cognitive appraisal
Timeframe: A total of 5 times will be measured, before the treatment, immediately after the treatment, 1-, 3- and 6-month follow-ups.
Psychobehavioral assessment
Timeframe: A total of 5 times will be measured, before the treatment, immediately after the treatment, 1-, 3- and 6-month follow-ups.