NDLI: Captured by the pain: Pain steady-state evoked potentials are not modulated by selective spatial attention

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Captured by the pain: Pain steady-state evoked potentials are not modulated by selective spatial attention

Content Provider	Semantic Scholar
Author	Blöchl, Maria Franz, Marcel Miltner, Wolfgang H. R. Weiss, Thomas
Copyright Year	2015
Abstract	Attention has been shown to affect the neural processing of pain. However, the exact mechanisms underlying this modulation remain unknown. Here, we used a new method called pain steady-state evoked potentials (PSSEPs) to investigate whether selective spatial attention affects EEG responses to tonic painful stimuli. In general, steady-state evoked potentials reflect changes in the EEG spectrum at a certain frequency that correspond to the frequency of a train of applied stimuli. In this study, high intensity transcutaneous electrical stimulation was delivered to both hands simultaneously with 31 Hz and 37 Hz, respectively. Subject׳s attention was directed to one of the two trains of stimulation in order to detect a small gap that was occasionally interspersed into the stimulus trains. Thereby, they had to ignore the stimulation applied to the other hand. Results show that PSSEPs were induced at 31 Hz and 37 Hz at frontal and central electrodes. PSSEPs occurred contralaterally to the respective hand stimulated with that frequency. Surprisingly, the magnitude of PSSEPs was not modulated by spatial attention towards one of the two stimuli. Our results indicate that attention can hardly be shifted between two simultaneously applied tonic painful stimulations.
Starting Page	94
Ending Page	100
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1016/j.brainres.2015.01.035
PubMed reference number	25637852
Journal	Medline
Volume Number	1603
Alternate Webpage(s)	https://api.elsevier.com/content/article/pii/S0006899315000554
Alternate Webpage(s)	https://www.sciencedirect.com/science/article/pii/S0006899315000554?dgcid=api_sd_search-api-endpoint
Alternate Webpage(s)	https://doi.org/10.1016/j.brainres.2015.01.035
Journal	Brain Research
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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