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  • From: Benjamin Bayliss <ctrkgrendel AT yahoo.com>
  • To: gorillagroupiesforum AT yahoogroups.com, Chimps <chimpsiknow AT yahoogroups.com>, Apes <apes AT yahoogroups.com>, Monkey <monkeywire AT lists.ibiblio.org>, Save The Primates <Save_The_Primates AT yahoogroups.com>, primaterights9 AT yahoogroups.com
  • Subject: [monkeywire] Chimp haven news story
  • Date: Thu, 21 Feb 2008 04:45:04 -0800 (PST)

A recent news story - video - interviewing the Chimp Haven folks

http://www.ktbs.com/player/player.cfm?video_id=6055



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>From josh.greenman AT gmail.com Thu Feb 28 15:41:26 2008
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Subject: [monkeywire] Chimps May Have A 'Language-ready' Brain
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http://www.sciencedaily.com/releases/2008/02/080228124415.htm

Chimps May Have A 'Language-ready' Brain

ScienceDaily (Feb. 28, 2008) =97 An area of the brain involved in the
planning and production of spoken and signed language in humans plays
a similar role in chimpanzee communication, researchers report.

"Chimpanzee communicative behavior shares many characteristics with
human language," said Jared Taglialatela of the Yerkes National
Primate Research Center. "The results from this study suggest that
these similarities extend to the way in which our brains produce and
process communicative signals."

The results also suggest that the "neurobiological foundations" of
human language may have been present in the common ancestor of modern
humans and chimpanzees, he said.

Scientists had identified Broca's area, located in part of the human
brain known as the inferior frontal gyrus (IFG), as one of several
critical regions that light up with activity when people plan to say
something and when they actually talk or sign. Anatomically, Broca's
area is most often larger on the left side of the brain, and imaging
studies in humans had shown left-leaning patterns of brain activation
during language-related tasks, the researchers said.

"We didn't know if or to what extent other primates, and particularly
humans' closest ancestor, the chimpanzees, possess a comparable region
involved in the production of their own communicative signals,"
Taglialatela said.

In the new study, the researchers non-invasively scanned the brains of
three chimpanzees as they gestured and called to a person in request
for food that was out of their reach. Those chimps showed activation
in the brain region corresponding to Broca's area and in other areas
involved in complex motor planning and action in humans, the
researchers found.

The findings might be interpreted in one of two ways, Taglialatela said.

"One interpretation of our results is that chimpanzees have, in
essence, a 'language-ready brain,' " he said. "By this, we are
suggesting that apes are born with and use the brain areas identified
here when producing signals that are part of their communicative
repertoire.

"Alternatively, one might argue that, because our apes were
captive-born and producing communicative signals not seen often in the
wild, the specific learning and use of these signals 'induced' the
pattern of brain activation we saw. This would suggest that there is
tremendous plasticity in the chimpanzee brain, as there is in the
human brain, and that the development of certain kinds of
communicative signals might directly influence the structure and
function of the brain."

This research is reported online on February 28th in the journal
Current Biology, a publication of Cell Press.

The researchers include Jared P. Taglialatela, Yerkes National Primate
Research Center, Atlanta, GA, Department of Natural Sciences, Clayton
State University, Morrow, GA; Jamie L. Russell, Yerkes National
Primate Research Center, Atlanta, GA; Jennifer A. Schaeffer, Yerkes
National Primate Research Center, Atlanta, GA; and William D. Hopkins,
Yerkes National Primate Research Center, Atlanta, GA, Department of
Psychology, Agnes Scott College, Decatur, GA.



  • [monkeywire] Chimp haven news story, Benjamin Bayliss, 02/21/2008

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