theta density

theta density patterns in EEG reflect specific brain states and functions. QEEG brain mapping measures theta density activity across brain regions, revealing individual patterns that guide neurofeedback protocol selection. Browse our 1 research paper on this topic.

Research Papers

The use of EEG theta biofeedback in the treatment of a patient with sleep-onset insomnia

Bell, J. Stephen (1979) · Biofeedback and Self-regulation

In this report, the treatment of a 42-year-old female with a complaint of chronic sleep-onset insomnia is described. Following the unsuccessful use of relaxation training, treatment consisted of 11 sessions of EEG theta rhythm (4–7 Hz) biofeedback. Theta density and five sleep indices were monitored throughout baseline, placebo, and treatment sessions. A significant increase in theta density was accompanied by reports of a decrease in sleep latency and an increase in total sleep time. This improvement was maintained after withdrawal of medication and at 3-month follow-up.

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