Z-score neurofeedback, heart rate variability biofeedback, and brain coaching for older adults with memory concerns.

Restor Neurol Neurosci · 2021 · PMC7990441 · PMID 33386829

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showed a trendno p-value reported

Although there was no significant change in NeuroTrax score during the treatment period or follow-up period, both periods showed a trend in the positive direction (improvement).

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