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Related Experiment Videos

Dentist phobia.

H E Schroeder, U Schroeder, G Santibánez-H

    The Pavlovian Journal of Biological Science
    |January 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    This study investigates "hopeless gaggers" experiencing retching during dental treatment. Findings reveal heightened sensitivity and varied psychopathological links to this gag reflex.

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    Area of Science:

    • Psychology
    • Gastroenterology
    • Neurology

    Background:

    • Gagging during dental treatment, termed "hopeless gaggers," presents a significant challenge.
    • Understanding the underlying mechanisms of this pathological gag reflex is crucial for effective management.

    Purpose of the Study:

    • To investigate the sources and characteristics of the pathological gag reflex in patients undergoing dental treatment.
    • To differentiate the gag reflex in patients from that in a normal control group.

    Main Methods:

    • Anamnestic inquiry, determination of reflexogenic zones, and recording of the peripheral pattern of the pathological reflex were performed in 35 patients.
    • Extinction training was applied, with a comparison group of six normal individuals.

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    Main Results:

    • Patients exhibited an enlarged receptive field and sensitivity to a wider range of stimuli compared to controls.
    • Precursors and aftereffects of gagging, not observed in normals, were present in patients.
    • The gag reflex was linked to diverse psychopathologic processes, including specific fears, anxiety, and depressive states.

    Conclusions:

    • The pathological gag reflex in dental patients is a complex syndrome with varied origins, often rooted in psychopathological factors.
    • Nervous system processes, including conditioned reflexes and stimulus generalization, play a role in its development.
    • Individual differences in reaction properties and response to extinction training were observed.