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Re:Discovering a New Form of Communication in the Brain by Zenst on Tuesday February 19, 2019 @03:42PM (#19202578)
I can't say with 100% certainty that it would have no effect, but the following may be of use:

Frequency of Brain Waves

State Frequency range State of mind

Delta 0.5Hz–4Hz Deep sleep

Theta 4Hz–8Hz Drowsiness (also first stage of sleep)

Alpha 8Hz–14Hz Relaxed but alert

Beta 14Hz–30Hz Highly alert and focused

Re:Discovering a New Form of Communication in the Brain by avaidyam on Tuesday February 19, 2019 @04:07PM (#19202796)
This has very little relevance to the topic at hand as these refer to electroencephalogram measurements taken through a skin (scalp) patch and conductive gel.
Re:Discovering a New Form of Communication in the Brain by dr_dshiv on Tuesday February 19, 2019 @06:41PM (#19204154)
Empirically, we'd want data on how corresponding electromagnetic pulses would affect brain activity -- there should be resonance effects, once the amplitude is high enough.