rh <rh at nospam.com> writes:
> As I understand it, as neural pathways are used
> the spines grow and become more numerous.
>> My question is: why? Why do they get bigger? Also, do they multiply,
> or are they just changing shape?....what accounts for this new form that
> they take?
This is actually a "leading edge" question, whose answer is not yet
clear even to the experts.
Also, it's not obvious from the way the question is phrased what sort
of answer you're looking for. Are you asking about the functional
significance of changing spines, or the biochemical processes behind