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Past Pain Experience and Experimentally induced Pain Perception
Aude Paquet1, Brigitte Plansont1, Anaïs Labrunie2
1a Unité de recherche et de neurostimulation , Centre Hospitalier Esquirol , Limoges , France.
Issues in Mental Health Nursing
|August 3, 2017
Summary
Previous painful experiences influence current pain perception in individuals with schizophrenia and major depression. This finding highlights the impact of personal pain history on pain sensitivity across different diagnostic groups.
Area of Science:
- Neuroscience
- Psychiatry
- Pain Research
Background:
- Pain perception is modulated by various factors, including past painful experiences.
- Individual differences in pain experience may influence susceptibility to experimentally induced pain.
Purpose of the Study:
- To investigate if previous painful experiences differentially affect experimentally induced pain sensitivity.
- To compare pain sensitivity in individuals with schizophrenia (SC), major depression (MD), and controls (C).
Main Methods:
- Recruited 30 SC, 32 MD, and 30 C participants.
- Conducted semi-structured interviews to assess previous painful experiences.
- Administered experimental pain tests (pressure, ischemia) and evaluated anxiety (autonomic, HAD scale) and catastrophism.
Main Results:
- No significant differences in overall reported pain intensity, severity, duration, or number of past painful events between groups.
- The MD group reported fewer painful events in the last six months.
- Experimental pain sensitivity was influenced by diagnosis, anxiety scores (HAD), and the intensity/number of previous painful events.
Conclusions:
- Psychiatric disorders (schizophrenia, major depression) did not alter the general experience of past pain.
- Individual's history of pain significantly influences their current pain perception.
- Past pain experiences are a crucial factor in modulating present pain sensitivity.
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