Sustained attention in context conditioning: Evidence from steady-state VEPs

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
Anna K KastnerMatthias J Wieser

Abstract

In classical fear conditioning an aversive event is paired repeatedly with a predictive stimulus, which later elicits fear. Repeated presentation of an aversive event in the absence of a predictive cue however may induce anxiety, and the context may gain a threatening value. As such conditioned anxiety can be considered a sustained reaction compared to phasic fear, it would be interesting to track continuous cortical responses during context conditioning. The present study realized a differential context conditioning paradigm and assessed sustained cortical activations to the threatening and the safe context and how neutral cues are processed within both contexts. Two pictures of different office rooms presented for 20s served as contexts. One room became associated with an unpleasant noise that was presented unpredictably (CTX+) while the other office (CTX-) was never associated with this unpleasant noise. After acquisition, a social agent or an object was presented as a distractor in both contexts. Cortical activations in response to contexts and distractors were assessed separately by steady-state visually evoked potentials (ssVEPs) using frequency tagging. Results revealed enhanced ssVEP-amplitudes for CTX+ compared to CTX-...Continue Reading

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Citations

Nov 8, 2015·Chemical Senses·Anna K KastnerMatthias J Wieser
Jul 29, 2020·Cognitive, Affective & Behavioral Neuroscience·Danielle L TaylorEvan J White
May 20, 2020·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Matthias J Wieser, Andreas Keil
Aug 5, 2021·Scientific Reports·Yannik StegmannMatthias J Wieser

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