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Old Thread Alert!
There is a gap of 208 days between these two posts... |
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struan80 |
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struan80 World Chat Champion
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piazza |
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piazza Brolly Dolly
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struan80 |
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Lord Percy |
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Lord Percy World Chat Champion
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Posted: 12:26 - 14 Sep 2018 Post subject: |
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Brainwaves are the electrical output of brain activity which sort of looks like a wave pattern, a very chaotic one. Like this:
https://upload.wikimedia.org/wikipedia/commons/2/26/Spike-waves.png
Resonance is when an external oscillation has a frequency that matches the natural frequency of an object nearby, causing that nearby object to oscillate at greater or increasing amplitude.
For example, if you pull back a swing and let go, it'll go back and forth at a particular rate. That's the natural frequency. If you then push it each time it comes back to you, so it swings higher each time, you're adding a periodic driving force which is essentially a classic example of resonance.
Now going back to the brainwave picture above, you can see there's some amount of periodicity to the waves, but it's too chaotic to do anything with. At best you could place an electrode on someone's skull and apply an alternating current that sort of matches the frequency of the brain waves, but it would be like applying a hammer to a piece of cotton wool - pointless. The alternative would be to use a tiny nanofrequency electric current, but then the opposite problem would occur - it would be like using the same hammer on a big field of mud - way too much extra mud (extra brainwaves) interfering.
Resonance tends to only work with good mechanical systems without too many external factors or moving parts. The brain has billions of synapses all firing, it would be nigh-on impossible to single any of them out to do anything special with. |
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struan80 |
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Old Thread Alert!
The last post was made 5 years, 189 days ago. Instead of replying here, would creating a new thread be more useful? |
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