Abstract

Given the high prevalence and socioeconomic burden of anxiety disorders, there is an urgent need for effective, fast-acting, cost-efficient treatment alternatives to traditional psychotherapy. Transcranial alternating current stimulation (tACS), a noninvasive brain stimulation technique that modulates endogenous brain oscillations via the application of sinusoidal currents to the scalp, emerges as a promising neuromodulatory treatment. We reviewed oscillatory neuropsychopathology in anxiety, examined current evidence of tACS interventions for anxiety and related disorders, and proposed novel simulation targets and protocols. We emphasize the need for rigorously designed clinical trials to systematically investigate the neuropsychological effects of different tACS protocols on diverse populations with pathological anxiety.

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