Seeing One's Own Painful Hand Positioned in the Contralateral Space Reduces Subjective Reports of Pain and Modulates Laser Evoked Potentials

Valentini, Elia; Koch, Katharina; Aglioti, Salvatore Maria

doi:10.1016/j.jpain.2015.02.003

Cited by 15 publications

(28 citation statements)

References 34 publications

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“…() which reports additional effects of visual feedback on pain unpleasantness. Several other studies did not measure pain unpleasantness (Moseley et al., ; Longo et al., ; Mancini et al., ; Valentini et al., ). At present, intracortical inhibition in SI is a widely discussed mechanism involved in visually induced analgesia (Haggard et al., ).…”

Section: Discussionmentioning

confidence: 99%

“…However, the extent to which these findings bear relevance to chronic pain remains unclear. The analgesic effect is weak and context dependent (Osumi et al., ; Torta et al., ; Valentini et al., ). Apparently habitual pain in chronic pain patients differs fundamentally from experimental pain, both in respect to its psychological implications and its neurophysiological basis.…”

Section: Discussionmentioning

confidence: 99%

“…In fact, visual feedback of the hand during experimental painful stimulation reduces perceived pain intensity and increases pain thresholds compared with watching a neutral object (Longo et al., , ; Mancini et al., , ). While this analgesic effect is rather small and context‐dependent (Osumi et al., ; Torta et al., ; Valentini et al., ; Beck et al., ), the simplicity of its induction allows its straightforward application, especially in clinical settings, warranting further research. The mechanisms underlying visually induced analgesia are still not known.…”

Section: Introductionmentioning

confidence: 99%

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Visually induced analgesia during massage treatment in chronic back pain patients

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Zieglgänsberger

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

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Visually induced analgesia during massage treatment in chronic back pain patients

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“…Future research should especially meet the need for multisensory research in the context of pain. Despite the high current popularity of this topic, clear evidence is still lacking [41,42].…”

Section: Discussionmentioning

confidence: 99%

Watching what’s coming near increases tactile sensitivity: An experimental investigation

Biest

Legrain

Paepe

et al. 2016

Behavioural Brain Research

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During medical examinations, doctors regularly investigate a patient's somatosensory system by approaching the patient with a medical device (e.g. Von Frey hairs, algometer) or with their hands. It is assumed that the obtained results reflect the true capacities of the somatosensory system. However, evidence from crossmodal spatial research suggests that sensory experiences in one modality (e.g. touch) can be influenced by concurrent information from other modalities (e.g. vision), especially near the body (i.e. in peripersonal space). Hence, we hypothesized that seeing someone approaching your body could alter tactile sensitivity in that body-part. In the In Vivo Approaching Object (IVAO) paradigm, participants detected and localized threshold-level vibrotactile stimuli administered on the left of right hand (= tactile targets). In Experiment 1, this was always preceded by the experimenter approaching the same (congruent trials) or the other (incongruent trials) hand with a pen (= visual cue). In Experiment 2, a condition was added in which a point further away from the hands (also left vs. right) was approached. Response Accuracy was calculated for congruent and incongruent trials (Experiment 1 & 2) and compared between the close and far condition (Experiment 2). As expected, Response Accuracy was higher in congruent trials compared to incongruent trials, but only near the body. As a result, evidence was found for a crossmodal interaction effect between visual and tactile information in peripersonal space. These results suggest that somatosensory evaluations -both medical or research-based -may be biased by viewing an object approaching the body.

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“…More recently, Valentini et al. () only found evidence for visually induced analgesia with superficial stimulation of the hand when the arms were crossed. Direct visualisation of the hand in the uncrossed position was not analgesic.…”

Section: Discussionmentioning

confidence: 99%

Visually induced analgesia in a deep tissue experimental pain model: A randomised crossover experiment

Selm

Gibson

Travers

et al. 2018

European Journal of Pain

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Seeing One's Own Painful Hand Positioned in the Contralateral Space Reduces Subjective Reports of Pain and Modulates Laser Evoked Potentials

Cited by 15 publications

References 34 publications

Visually induced analgesia during massage treatment in chronic back pain patients

Visually induced analgesia during massage treatment in chronic back pain patients

Watching what’s coming near increases tactile sensitivity: An experimental investigation

Visually induced analgesia in a deep tissue experimental pain model: A randomised crossover experiment

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