Some neuroscientists figure that during an average lifetime, a person uses only 1 / 100 of 1 percent (. 0001) of his potential brain capacity.
Mõned neuroloogid arvavad, et inimene kasutab keskmise eluea jooksul kõigest sajandikku protsenti (kümnetuhandikku) oma potentsiaalsest ajumahust.