Peripheral input WAS Re: micro mods to neurons
COLLEEN M. SPECHT
v102nq9f at ubvms.cc.buffalo.edu
Sun Oct 13 20:24:19 EST 1996
In article <32617DA1.7061 at ento.uq.edu.au>, Craig Hull <c.hull at ento.uq.edu.au> writes:
>Thanks for the replies.
>Following on from the discussion of the nature of the central nervous
>physiology, I'd like to enquire more about the nature of the
>peripheral input. (I should point out that I am conducting research on
>insect sensory systems, so have not been exposed to much work on
>vertebrate systems). Never the less, an interesting paper has recently
>been published that makes certain postulates on the nature of the
>peripheral sensory input. It relates to feeding, but has other
>applications. Part of the model suggests (with some experimental
>evidence to back it up) that it is the total number of nerve impulses
>from a number of sensory cells that are required to form the input
>pattern of the "acceptable diet", ie across-fibre patterning. The
>important point is that depending on the quality of the previous diet,
>the firing patterns of the various sensory cells will change such that
>the behavioural feeding response is modified to take in deficient
>nutrients, but the total number of impulses for all the sensory cells
>would be roughly the same.
>Any comments? Has there been much experimentation of this area in
>vertebrate systems, or are entomologists leading the way again?
>Ref: Simpson S. J. and D. Raubenheimer. 1996. Feeding behaviour,
>sensory physiology and nutrient feedback: a unifying model.
>Entomologia Experimentalis et Applicata 80: 55-64.
very interesting, craig! this is a very good example, too. i could surely use
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