Influence of transient spatial attention on the P3 component and perception of painful and non-painful electric stimuli in crossed and uncrossed hands positions.

ABSTRACT: Recent reports show that focusing attention on the location where pain is expected can enhance its perception. Moreover, crossing the hands over the body's midline is known to impair the ability to localise stimuli and decrease tactile and pain sensations in healthy participants. The present study investigated the role of transient spatial attention on the perception of painful and non-painful electrical stimuli in conditions in which a match or a mismatch was induced between skin-based and external frames of reference (uncrossed and crossed hands positions, respectively). We measured the subjective experience (Numerical Rating Scale scores) and the electrophysiological response elicited by brief electric stimuli by analysing the P3 component of Event-Related Potentials (ERPs). Twenty-two

SUBMITTER: Swider K 

PROVIDER: S-EPMC5584947 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature