Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation

Herbert C, Kißler J (2014)
Neuroscience 277: 902-910.

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In sentences such as dogs cannot fly/bark, evaluation of the truth-value of the sentence is assumed to appear after the negation has been integrated into the sentence structure. Moreover negation processing and truth-value processing are considered effortful processes, whereas processing of the semantic relatedness of the words within sentences is thought to occur automatically. In the present study, modulation of event-related brain potentials (N400 and late positive potential, LPP) was investigated during an implicit task (silent listening) and active truth-value evaluation to test these theoretical assumptions and determine if truth-value evaluation will be modulated by the way participants processed the negated information implicitly prior to truth-value verification. Participants first listened to negated sentences and then evaluated these sentences for their truth-value in an active evaluation task. During passive listening, the LPP was generally more pronounced for targets in false negative (FN) than true negative (TN) sentences, indicating enhanced attention allocation to semantically-related but false targets. N400 modulation by truth-value (FN > TN) was observed in 11 out of 24 participants. However, during active evaluation, processing of semantically-unrelated but true targets (TN) elicited larger N400 and LPP amplitudes as well as a pronounced frontal negativity. This pattern was particularly prominent in those 11 individuals, whose N400 modulation during silent listening indicated that they were more sensitive to violations of the truth-value than to semantic priming effects. The results provide evidence for implicit truth-value processing during silent listening of negated sentences and for task dependence related to inter-individual differences in implicit negation processing. (C) 2014 IBRO. Published by Elsevier Ltd. All rights reserved.
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Herbert C, Kißler J. Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation. Neuroscience. 2014;277:902-910.
Herbert, C., & Kißler, J. (2014). Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation. Neuroscience, 277, 902-910.
Herbert, C., and Kißler, J. (2014). Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation. Neuroscience 277, 902-910.
Herbert, C., & Kißler, J., 2014. Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation. Neuroscience, 277, p 902-910.
C. Herbert and J. Kißler, “Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation”, Neuroscience, vol. 277, 2014, pp. 902-910.
Herbert, C., Kißler, J.: Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation. Neuroscience. 277, 902-910 (2014).
Herbert, C., and Kißler, Johanna. “Event-Related Potentials Reveal Task-Dependance and Inter-Individual Differences in Negation Processing During Silent Listening and Explicit Truth-Value Evaluation”. Neuroscience 277 (2014): 902-910.
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Fractionating the word repetition effect with event-related potentials.
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