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[Neuroscience] Re: Sensory recognition?

Kumar via neur-sci%40net.bio.net (by lordshiva5753 from gmail.com)
Mon Nov 30 12:35:20 EST 2009


On Nov 30, 11:25 am, Bill <connelly.b... from gmail.com> wrote:
> If by biochemical, you mean nutrient, then there is no simple answer
> to this. (or if there was, the answer would be, we don't know). There
> are numerous pathways, involving numerous parts of the brain (not just
> the hypothalamus). The most well understood (as far as I am aware) is
> the selection for carbohydrates and amino acids. I believe the
> carbohydrate selection involves the hypothalamus, and glucose (ATP)
> sensing neurons releasing neuropeptide Y. Diets lacking essential
> amino acid are sensed in the piriform cortex (independent of the sense
> of smell or taste) by a lack of particular tRNA, which then activates
> a complex downstream pathway.
>
> On Nov 30, 12:55 am, Kumar <lordshiva5... from gmail.com> wrote:
>
>
>
> > Hello,
>
> > Simply, I want to know, how our neurological system sense
> > defficiencies & excessivness of any bio-chemical & how it react on
> > such sensation?
>
> > Best wishes.- Hide quoted text -
>
> - Show quoted text -

Does brain enhance physiological activities if it is sensed weak
stimuli  & resist if sensed strong stimuli?



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