Temporal Shift Length and Antecedent Occurrence Likelihood Modulate Counterfactual Conditional Comprehension: Evidence from Event-Related Potentials

Counterfactual conditionals posit hypothetical scenarios in which antecedent events contradict reality. This study examined whether and how the processing difficulty of Chinese counterfactual conditionals ( , equivalent to in English) can be affected by the length of temporal shifts of the events ac...

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Bibliographic Details
Published in:Brain sciences 2023-12, Vol.13 (12), p.1724
Main Authors: Kong, Lingda, Jiang, Yong, Huang, Yan, Jiang, Xiaoming
Format: Article
Language:English
Subjects:
Cats
Causality
Chinese counterfactuals
Event-related potentials
implied causal relationship
Influence
likelihood of occurrence
N400
Semantics
temporal shift
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Summary:Counterfactual conditionals posit hypothetical scenarios in which antecedent events contradict reality. This study examined whether and how the processing difficulty of Chinese counterfactual conditionals ( , equivalent to in English) can be affected by the length of temporal shifts of the events across clauses and the likelihood of the antecedent occurrence. Participants read Chinese counterfactuals that contained either long (e.g., [last year-right now]) or short temporal shifts (e.g., [yesterday-right now]) within highly likely (e.g., sign up for school activity) or less likely contexts (e.g., sign up for Arctic scientific research). ERP results revealed a significant N400 interaction between the temporal shift length and antecedent likelihood on the temporal indicators in the consequent and the sentence-ending verbs. Specifically, the less likely events elicited larger negativity than highly likely events with short temporal shifts on the temporal indicator. On the sentence-ending word, the long temporal shift elicited enlarged negativity than the short temporal shift when the antecedent was highly likely. These findings have two key implications regarding the interplay of implied causality and falsity constraints during counterfactual comprehension. First, salient falsity constraints can override effects of causal coherence on processing. Second, greater negativity for unlikely antecedents suggests that counterfactual markers concurrently activate factual and hypothetical representations.
ISSN:2076-3425
2076-3425
DOI:10.3390/brainsci13121724