There's a big literature on treating neurological and psychiatric conditions by stimulating the brain electrically or magnetically through the skull (ie without surgery). There are cheap home devices for tDCS (direct current) but there's better evidence for rTMS (magnetic) ...
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and the rTMS machines are still quite expensive (8K on Ebay). Fortunately there's instructions on how to make your own!https://www.instructables.com/id/Transcranial-Magnetic-Stimulation-TMS-Device/ …
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The big effect sizes (5 percent IQ improvements, total recovery of ability to read nonverbal communication for some autistics) are all rTMS, not tDCS; metastudies show that tDCS doesn't actually improve cognition
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(They both work quite reliably for depression, which may just be "same principle as ECT but more lightweight")
11:55 AM - 20 Nov 2019
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