Consider: millions of years ago our antecedents gave a massive sacrifice of their left hemisphere. We lost a tremendous amount of short term memory and replaced it with Broca’s, Wernicke & the phonological loop. But why? So we can—talk. Thus chimpanzees can do this—we can’t:pic.twitter.com/CDznxg37p1
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In 1956 "The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information” by George A. Miller of Harvard University was published. It was a landmark of human memory research. Bell Labs adopted memory chunking in phone numbers (xxx)-xxx-xxxxpic.twitter.com/SDsB22DRNu
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Consider Kim Peek. He had a skill that would surpass the abilities of the chimpanzees. He had suffered damage through encephalitis to the corpus colosseum. I wrote about him here on Quora: https://www.quora.com/Is-the-ability-to-observe-many-things-at-once-a-documented-human-phenomenon/answer/Brian-Roemmele?ch=10&share=0c808fa3&srid=Pi3 … You may know him: His name was Rain Man in a popular movie.pic.twitter.com/77rhdkiN5P
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This chimpanzee research was performed for over 30 years by Tetsuro Matsuzawa, PhD, Distinguished Professor, Kyoto University Institute for Advanced Study, Professor, Primate Research Institute of Kyoto University, Coordinator. There is much to his work.https://www.matsuzawa.kyoto/cv/en/
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Is that loss of memory synapomorphic to H. sapiens or did our dearly departed sister species also have this shift?
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Great question. I think the evidence is not fullyin on this. We know that the advantages to these mutations to human speech had a massive impact to memory and the interceding species may have started the process. I have some postulations on this but not yet ready to publish.
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how do I read this graph?
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oh yeah vsauce
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do they have perfect pitch too?
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Is that to say that the simpler the language the more likely that we retained higher memory ability? Do people with simpler languages have better memories?
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Do emotions take up 'brain power'? If we 'gave up' emotions (let's say negative in this case) would that significantly enhance our overall capability in other areas? If we had some magic way to remove that from our DNA/life experience.
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Can't link to anything specific right now, however from what I remember base emotion processing is pretty low-level part of the brain, one of the older in fact.
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