Neurotransmitters

Patrick & Sangeeta Bishop psbishop at worldnet.att.net
Fri Jan 28 22:25:59 EST 2000


Thanks for the reference Richard, and for the advice.

Regards,
Patrick

Richard Norman wrote:

> Virtually any neurophysiology, neurochemistry or
> pharmacology book will have lists of neurotransmitters.
>
> For example: Kandel et al (Principals of Neural Science,
> 4th Ed, McGraw Hill, 2000) p. 281 lists
>   Small molecule transmitter substances:
>       Acetylcholine, Biogenic amines (dopamine,norepinephrine,
>        epinephrine, serotonin, histamine), Amino acids (gamma-
>        amino butyric acid, glycine, glutamate).
>
>  Then, on p. 288 it lists some 46 neuroactive mammalian brain
> peptides.
>
> However, it really is not possible to list a "function" associated
> with a neurotransmitter.  For example, in the periphery ACh
> is involved in stimulating skeletal muscle and activating sympathetic
> and parasympathetic ganglia.  It also frequently inhibits smooth and
> cardiac muscle.  In the CNS it has complex effects, depending on
> exactly what cells in what pathways it acts.  Similarly for the other
> transmitters.  Glutamate and GABA are widely distributed in many
> areas of the brain.
>
> You probably are referring to the way some people attribute a
> particular neural function to things like dopamine or serotonin.  The
> fact is that the chemical is just a signal sent from one cell to another.
> The significance of the signal is entirely dependent on the pathway
> and the particulars of the cell that receives the signal and how it
> responds to the signal.
>
> Patrick & Sangeeta Bishop <psbishop at worldnet.att.net> wrote in message
> news:389216F4.7AB05A39 at worldnet.att.net...
> > Greetings,
> >
> > Is anyone aware of a comprehensive information resource regarding
> > neurotransmitters and the function of each, i.e., what each
> > neurotransmitter regulates.
> >
> > Thanks in advance!
> >
> > Patrick Bishop
> >





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