learning and memory

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showed last 75 words of 947 total
…that technology appears to be held back for a period of two million years possibly due to the use of hands gestures in communication. This would lead one to believe according to Corballis, that the H.sapiens prevailed over the Neanderthals and the homo erectus as a result of the switch from manual to vocal language that allowed them to use their hands for the manufacture of tools and weapons and their voices for instruction.