Synchronous changes in ear and tail blood flow following salient and noxious stimuli in rabbits

Eugene Nalivaiko, William W. Blessing

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)

    Abstract

    Simultaneous recordings were made of ear and tail blood flow during alerting responses to salient environmental stimuli in conscious rabbits, and during electrical stimulation of the spinal trigeminal tract and raphe pallidus in anesthetized rabbits. Blood flow fell in a highly correlated manner (Pearson coefficient ranging from 0.52 to 0.95) in these experimental situations. Salient stimuli in conscious rabbits, and noxious stimuli in anesthetized rabbits appear to cause a generalized vasoconstriction in cutaneous beds.

    Original languageEnglish
    Pages (from-to)343-346
    Number of pages4
    JournalBrain Research
    Volume847
    Issue number2
    DOIs
    Publication statusPublished - 20 Nov 1999

    Keywords

    • Alerting response
    • Pain stimulation
    • Skin blood flow
    • Skin vasomotor reflex
    • Trigeminal depressor response

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