neurogenesis - NewSci Feb 12 2000

JoshCahoon joshcahoon at cs.com
Thu Feb 24 03:15:34 EST 2000


 >As Dag Stenburg says, it has been definitely established.  Still, we
>shouldn't make *too* much of it.  As far as I know, there are only two
>kinds of nerve cells that have been shown to reproduce in the adult
>mammalian nervous system -- granule cells in the hippocampus and
>olfactory receptor cells in the nose.  Most likely few, if any, others
>will be discovered, because it isn't actually all that difficult to
>tell whether dividing neurons are present in a region, and many
>studies of this kind have been done using rodents.  Thus, the rule is
>still that neurons in the adult nervous system don't reproduce -- we
>just know now that there are a couple of curious exceptions to the
>rule.
>
>	-- Bill
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But at least one of these exceptions looks pretty interesting. What role does
neurogenesis play in memory? Does it ever occur in response to brain injury?
Can we cause it to? Perhaps we can enhance memory by facilitating neurogenesis.





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