Using 100% of your brain

The new movie Limitless is based on the premise that a drug can enable us to use “100% of our brains” because according to common wisdom, we currently only use 10%. This claim has been used in innumerable science fiction settings to provide a hypothetical source of magical cognitive abilities from super-intelligence to extra-sensory perception and is one of the most ill-informed and silly pretexts I’ve seen.  Of course, this realization is not new but I felt like writing a short rant.

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