-----
/ o o \
====OO=====OO===
http://pnews.org/
Progressive News & Views (since 1982)
|||||||||||||||||||||||||||||||||||||
Why not perform the experiment on the human for the sake of the cat?
Hank
On Fri, 3 Mar 2006, Hank Roth wrote:
> From: "James a. Mulick, PhD" <[EMAIL PROTECTED]>
>
[...]
>
>
> Those particular experiments are useful in a number of ways. They
> demonstrate the time limits of central nervous system plasticity in the
> visual system. Plasticity refers to the ability of the environment to
> create a functional substrate for normal brain function (perception,
> behavior, bodily regulation) via experience. You see, the brain is the
> organ of adaptation, and animals differ in how much, when, and what parts
> and functions of the brain are modifiable by the world into which the
> animal is born. For cats and humans (among others) vision is very
> important for survival, including functions in predation, defense, and
> reproduction. Sewing up those eyes over several decades worth of
> experiments (after the Nobel Prize winning pioneering work of Hubel and
> Weisel who did it first) has shown (among other things) that early
> experience literally shapes the architecture and function of the visual
> system, that this sensitivity to experience is a time limited phenomenon
> in cats, that intervention must take place within these time constraints
> if (as in the case of congenital cataracts) it is going to result in a
> normally constructed and functioning visual system (and normal vision - a
> cat, like a human archer - with no depth perception is a sorry hunter).
(......)
|||||||||||||||||||||||||||||||||||||||||||||||||||||||
M A I L I N G L I S T S
(1) pnews-news - NEWS mailing list - (text only)
Send "subscribe" or "unsubscribe" as subject
----> pnews-news-request(at)inyourface.info
=======================================================
(2) pnews-views - VIEWS mailing list- (text only)
OPEN discussion - "subscribe" or "unsubscribe" as subj
Send to ------> pnews-views-request(at)inyourface.info
=======================================================
(3) fightback - articles and pointers distribution list
(html/text) - expert informed opin., credentialed authors
----> http://pnews.org/dada/
========================================================
(4) ATTN: WEBMASTERS - Link Exchange/improve site rank
----> links_only-subscribe(at)googlegroups.com - or, go to:
-----> http://groups.google.com/group/Links_Only
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
