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PEMF waveform. The PEMF used in this and previous studies. This 853 ms long base pattern was repeated four times with varying delays between each repetition (110, 220, 330, with 1200 ms at the end) for an overall period of 5272 ms. The field strength refers to the field strength at the brow; due to the gradient it would be stronger at the top of the head, weaker towards the bottom.
