Motor control - post surgical removal of brain

Kalman Rubinson kr4 at nyu.edu
Wed Jan 16 10:41:10 EST 2002


On Thu, 17 Jan 2002 02:28:48 +1300, "yan king yin" <y.k.y@(dont
spam)lycos.com> wrote:

>I am more optimistic than you. In a recent study, some dopamine
>neurons are implanted into the putamen and there is extensive
>innervation of the target. If these cells can do this then other stem
>cells could also make their correct connections.

There's a substantial difference between having cells survive to dump
dopamine locally into the putamen and having cells establish correct
long distance (or even local) synaptic connections.  

>This is quite encouraging. 

For what it is, yes.

>The particular synaptic connections might have
>been shaped by the subject's experience. We cant expect to
>reproduce that. But if the gross connectivity is established,
>some training might make them work.

Where is there evidence of useful gross connectivity being
reestablished?

Kal
>




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