The triune brain seems to be popular in anthropology and among
evolutionary psychologists. It is a serious oversimplificaiton of what
happened during the evolution of the brain. The vertebrate brain
follows a single bauplan (blueprint). Structures expand, functions are
sometimes redistributed (e.g. much visual function from superior
colliculus to cortex), and some new structures appear (cortex). But the
brain of a lizard must, by definition, do all the perception, cognition,
etc. of which the lizard is capable. Evolution of the human brain did
not happen in a way analogous to how a three scoop ice cream cone is
created.
don
Donald McBurney
University of Pittsburgh
-----Original Message-----
From: Rob Hoff [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 12, 2003 11:16 AM
To: Teaching in the Psychological Sciences
Subject: Triune Brain
How valid is the concept of the "triune brain"? Is it more than just
'pop psych'? I have had several students raise the question in class
recently. Some of the students are anthropology majors and have heard
reference to triune brain as a neural substrate for ritual behaviors,
including chant. Anyone know anything about this? Thanks for any help?
Rob
Rob Hoff
Professor of Psychology
Director, Psychology Department
Mercyhurst College
Erie, PA 16546
[EMAIL PROTECTED]
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