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Abstracts
  • Witowska, J., Schmidt, S., & Wittmann, M. (2020). What happens while waiting? How self-regulation affects boredom and subjective time during a real waiting situation. Acta Psychologica, 205, 103061. https://doi.org/10.1016/j.actpsy.2020.103061

    Boredom is an everyday experience during uneventful situations and while waiting. Such situations are typically described as unpleasant since oneself becomes the focus of awareness, and the subjective duration expands. Self-control is an individual trait that helps to cope with unpleasant situations. Hardly any systematic studies exist on real waiting situations where people's boredom and subjective time experience are assessed in relation to self-control. Therefore, we assessed 99 participants who first filled out self-report questionnaires on emotional and metacognitive control, the Scale for Experiencing Emotions (SEE) and the Temporal Metacognition Scale (TMCS). After giving a fake reason for why they had to wait, participants were shut in an empty room alone for 7.5 minutes and afterwards asked to report their impressions regarding the experienced time and reactions to the situation. Boredom was associated with the feeling of time passing more slowly and more frequent thoughts about time. The propensity to self-regulate was related to less awareness of time and to lower levels of boredom. Mediation analyses revealed that the level of boredom mediates the relationships between self-regulation processes and time perception. The results provide new insights into the association between time perception and boredom as states in a real situation and self-regulation as a trait.

  • Röhricht, J., Jo, H.-G., Wittmann, M., & Schmidt, S. (2018). Exploring the maximum duration of the contingent negative variation. International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology, 128, 52–61. https://doi.org/10.1016/j.ijpsycho.2018.03.020

    While the contingent negative variation (CNV) has been the subject of extensive research over the last fifty years, the maximum duration during which such cortical negativity can be maintained has, to the best of our knowledge, never been systematically explored. Participants were presented with the classic S1-S2 paradigm task, where a warning stimulus (S1) acts as a cue for the appearance of an imperative stimulus (S2). A fast motor response was required upon S2 arrival. Inter-stimulus intervals (ISIs) of 2.5, 5, 7.5 and 10 s duration were presented in blocked fashion. Data was analysed using both EEG referenced to linked mastoids and the current source density (CSD) technique, which maximizes the cortical origin of the measured voltage. Mean late CNV (lCNV) amplitude was found to be significantly higher for fast reaction time (RT) trials when CSD data was split according to the median into 'fast' and 'slow' RT halves. Post-hoc comparisons showed that this RT effect was particularly strong for the 10 s condition. This may be explained by the lack of an lCNV component and thus of cortical negativity prior to S2 in the 10 s condition. Our results suggest that intervals of a duration between 7.5 and 10 s represent the upper boundary during which the lCNV component can be elicited.

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