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Data · dataset · 2022

Generalization of instrumentally acquired pain-related avoidance to novel but similar movements using a robotic arm-reaching paradigm

Listed in IISH Dataverse and ODISSEI Portal — shown once because both records carry DOI 10.34894/sqcsdd

Avoidance is considered a key contributor to the development and maintenance of chronic pain disability, likely through its excessive generalization.

Description

This study investigated whether acquired avoidance behavior generalizes to novel but similar movements. Using a robotic arm, participants moved their arm from a starting to a target location via one of three possible movement trajectories.

For the Experimental Group, the shortest, easiest trajectory was always paired with pain (T1 = 100% reinforcement/no resistance and deviation). Pain could be partly or completely avoided by choosing increasingly effortful movements (T2= 50% reinforcement, moderate resistance/deviation; T3 = 0% reinforcement, strongest resistance/largest deviation). A Yoked Group received the same number of painful stimuli irrespective of their own behavior.

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Outcomes were self-reported fear of movement-related pain, pain-expectancy, avoidance behavior, (maximal deviation from the shortest trajectory), and trajectory choice behavior. We tested generalization to three novel trajectories (G1-3) positioned next to the acquisition trajectories. Whereas acquired fear of movement-related pain and pain-expectancy generalized in the Experimental Group, avoidance behavior did not, suggesting that threat beliefs and high-cost avoidance may not be directly related.

The lack of avoidance generalization may be due to a perceived context-switch in the configurations of the acquisition and the generalization phases.

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Where it is published

Catalogue records · 2

Topics

Stated by source
Social Sciences · Social Sciences
From keywords
Psychology & Behavioral Science · Psychology & Behavioral Science · Social Science · Social Science
Inferred from text
Biological psychology 69%
Provenance · 2 source records, 13 field assertions
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IISH Dataversedoi:10.34894/SQCSDD12 d agoJSON v1
ODISSEI Portaldoi:10.34894/SQCSDD8 d agoJSON v1
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