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I suggest the key you are looking for is language. Without a language, how can you express concepts? To some extent animals do display basic language - body language and sounds. Humans probably developed sign language for hunting (because being silent while hunting). We do know some human sign languages became relatively sophisticated as the Native Americans had a fairly well developed inter-tribal sign language used by many tribes that was in use across much of North America.

But the key to developing the ability to conceptualize is language dependent. Having a written language permits the ability to pass knowledge across time. And languages develop in complexity. It is a fact that modern English (for example) is far more sophisticated in vocabulary than Old Latin, which means we can express concepts (and thus develop) far more than the Romans could.

It is our ability to conceptualize that gives us a major advance over animals, and we need language to do so. I suspect that from a selection process, people that could handle this survived better than those that do not, and this would impact our brain development.



Edited 1 time(s). Last edit at 19-May-18 22:07 by Race Jackson.

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Subject Views Written By Posted
Evolution 1436 Baz86 18-May-18 14:45
Re: Evolution 420 Aine 18-May-18 16:09
Re: Evolution 354 greengirl5 31-May-18 03:15
Re: Evolution 394 Nolondil 18-May-18 21:22
Re: Evolution 378 Baz86 18-May-18 21:44
Re: Evolution 514 carolb 18-May-18 23:39
Re: Evolution 373 Race Jackson 19-May-18 22:06
Re: Evolution 379 Eddie Larry 19-May-18 23:47
Re: Evolution 354 Susan Doris 21-May-18 07:32
Re: Evolution 339 Eddie Larry 21-May-18 16:39
Re: Evolution 384 Nolondil 22-May-18 13:56
Re: Evolution 345 Eddie Larry 22-May-18 14:20
Re: Evolution 375 Susan Doris 22-May-18 15:19
Re: Evolution 366 Eyalz 04-Jun-18 15:40
Re: Evolution 333 Susan Doris 04-Jun-18 16:28
Intelligence in Nature 334 greengirl5 05-Jun-18 01:33
Another quote 508 greengirl5 05-Jun-18 01:42


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