- 20 Hz (vary frequency over time to avoid adaptation = one week at 15 Hz, one week at 30 Hz, one week at 20 Hz, etc.)
- 200 microseconds
- 20 minutes x 2 days
- Start at a minute then work up
- Combine with peaceful activities = deep breathing, meditation
- Left ear only
- Red clip on inside
- Attach to concha or the tragus
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