Emotional modulation of pain-related evoked potentials

Christopher Ring; Maria Kavussanu; Adrian R. Willoughby

doi:10.1016/j.biopsycho.2013.04.006

Emotional modulation of pain-related evoked potentials

Christopher Ring, Maria Kavussanu, Adrian R. Willoughby

Sport, Exercise and Rehabilitation Sciences

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Abstract

To investigate whether cortical processing of trigeminal nociception is modulated by emotion, the N2 and P2 components of the pain-related evoked potential (PREP) were recorded in response to noxious stimulation of the supraorbital nerve while participants viewed neutral, pleasant and unpleasant pictures. The nerve was stimulated at 125% of pain threshold via a nociceptive-specific concentric electrode to selectively activate A-delta pain fibres. The N2 and P2 pain-related evoked potentials were similarly influenced by emotional priming: the amplitude of both potentials decreased monotonically from viewing neutral to pleasant to unpleasant pictures. These findings show that cortical processing of trigeminal nociception is modulated by emotion. We explain our findings in terms of the effects of picture viewing on attention.

Original language	English
Pages (from-to)	373-376
Journal	Biological Psychology
Volume	93
Issue number	3
Early online date	19 Apr 2013
DOIs	https://doi.org/10.1016/j.biopsycho.2013.04.006
Publication status	Published - 1 Jul 2013

Keywords

Attention
Emotion
Nociception

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10.1016/j.biopsycho.2013.04.006

Ring_Emotional_modulation_Biological_Psychology_2013
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AU - Willoughby, Adrian R.

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N2 - To investigate whether cortical processing of trigeminal nociception is modulated by emotion, the N2 and P2 components of the pain-related evoked potential (PREP) were recorded in response to noxious stimulation of the supraorbital nerve while participants viewed neutral, pleasant and unpleasant pictures. The nerve was stimulated at 125% of pain threshold via a nociceptive-specific concentric electrode to selectively activate A-delta pain fibres. The N2 and P2 pain-related evoked potentials were similarly influenced by emotional priming: the amplitude of both potentials decreased monotonically from viewing neutral to pleasant to unpleasant pictures. These findings show that cortical processing of trigeminal nociception is modulated by emotion. We explain our findings in terms of the effects of picture viewing on attention.

AB - To investigate whether cortical processing of trigeminal nociception is modulated by emotion, the N2 and P2 components of the pain-related evoked potential (PREP) were recorded in response to noxious stimulation of the supraorbital nerve while participants viewed neutral, pleasant and unpleasant pictures. The nerve was stimulated at 125% of pain threshold via a nociceptive-specific concentric electrode to selectively activate A-delta pain fibres. The N2 and P2 pain-related evoked potentials were similarly influenced by emotional priming: the amplitude of both potentials decreased monotonically from viewing neutral to pleasant to unpleasant pictures. These findings show that cortical processing of trigeminal nociception is modulated by emotion. We explain our findings in terms of the effects of picture viewing on attention.

KW - Attention

KW - Emotion

KW - Nociception

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VL - 93

SP - 373

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JO - Biological Psychology

JF - Biological Psychology

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Emotional modulation of pain-related evoked potentials

Abstract

Keywords

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