Implicit variations of temporal predictability: Shaping the neural oscillatory and behavioural response

Neuropsychologia
Sophie K Herbst, Jonas Obleser

Abstract

Being able to predict when an event will occur (temporal predictability) can help us prepare and time our responses. We here sought to delineate the neural and behavioural corollaries of highly implicit, probabilistic temporal predictability in an auditory foreperiod paradigm. To this end, we measured electroencephalography (EEG) and response times in two independent experiments (total N =46). Unbeknownst to participants, we induced a probabilistic variation of cue-target delays (i.e., foreperiods) in a pitch-discrimination task on a noise-embedded tone: The smaller the standard deviation of the underlying foreperiod distribution, the more predictable the time of target occurrence should be. Both experiments showed that more predictive foreperiods sped up listeners' responses. Crucially, neural signatures of temporal predictability emerged when comparing EEG activity between conditions of varying temporal predictability. First, cue-related P2 evoked responses were less pronounced for cues that implicitly signalled temporal predictability of target occurrence. Second, in both experiments, fronto-central delta (1-4Hz) phase coherence was found relatively reduced during predictive foreperiods. Concomitantly, in Experiment II, the ...Continue Reading

Citations

Oct 22, 2019·Journal of Cognitive Neuroscience·Flor KusnirAyelet N Landau
May 8, 2020·Journal of Cognitive Neuroscience·Tadeusz W KononowiczVirginie van Wassenhove
Jan 5, 2019·Cognitive, Affective & Behavioral Neuroscience·Jacqueline R Janowich, James F Cavanagh
Apr 7, 2021·Psychonomic Bulletin & Review·Josh M SaletHedderik van Rijn
May 12, 2021·The European Journal of Neuroscience·Daniel SchneiderMalte Wöstmann
Jun 15, 2021·Biological Psychology·Pia BrinkmannSimone Dalla Bella

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