Resending "Brain freeze?"

Sat Mar 1 13:04:46 EST 1997

> >
> > Can anyone tell me what mechanism causes the rapid, brief headache pain
> > when a cold substance is ingested quickly?  Related to this is my
> > question regarding the brain not sensing pain during brain surgery, but
> > a person's perception of headaches as localized pain within the brain?
> > Is this a paradox or are headaches not actually occuring within the
> > brain?
> I greatly appreciate the responses.  Sorry, I missed the prior
> discussion.  My assumptions about the origination of the pain seem to be
> supported, as I also had been previously informed of the constriction of
> blood vessels in the in the paranasal regions.  The hypothesis regarding
> the melanges is interesting.
> I am only in my infancy in learning about brain functioning so I have
> many questions.  I am curious if somehow the sensory homunculus is
> distorted in regards to the perceptions of certain kinds of head pain.
> (cerebral-parietal lobe postcentral gyrus in the primary sensory area)
> Can someone help me with tracing this pain path? Does it begin in the
> Pterygopalatine ganglion of the maxillary division of V2 of the
> trigeminal nerve?  Or does in originate in the mandibular division, or a
> combination of the two which lead to the trigeminal ganglion and
> sensory root?  Does the trigeminothalamic tract convey the constriction
> pain impulses from the lingual/superior alveolar region to the ventral
> posterior medial nucleus of the thalamus?  I get lost at this point.
> Does the Trigeminal fifth nerve take over?
> Or is this all wrong and does it involve the Glossopharyngeal nerve?
> Details will be appreciated.  Thanks in advance.

Hope this goes through.  AT&T responded with a resource error.
> Shelia Cassidy-Feltgen
> PsyD Student
> University of Sarasota (FL)

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