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Cordonier, Natacha

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Cordonier, Natacha
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https://libra.unine.ch/handle/123456789/1112

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  • Publication
    Accès libre
    Differential Impairments in Irony comprehension in Brain-Damaged Individuals: Insight from contextual processing, theory of mind, and executive functions
    (2020-8-11)
    Cordonier, Natacha 
    ;
    Fossard, Marion 
    ;
    Champagne-Lavau, Maud
    Objective: The comprehension of irony can be affected after brain injuries. The cognitive mechanisms accounting for such disorders remain yet unclear. The heterogeneity of cognitive profiles of braindamaged individuals and the use of independent tests to measure the links between these mechanisms and the comprehension of irony might contribute to this lack of clarity. The present study aimed to further explore the underlying mechanisms of irony-understanding disorders (i.e., context processing, executive functions [EF], and theory of mind [ToM]) in patients with brain lesions. Method: We used a paradigm manipulating these mechanisms within an irony task to identify different patterns of pragmatic performance associated with cognitive profiles. We administered this task and standard neuropsychological tests assessing EF and ToM to 30 participants with acquired brain injury (ABI) and 30 healthy control (HC) participants. Results: A cluster analysis revealed that two thirds of the participants with ABI (3 subgroups out of 4) presented atypical pragmatic and neuropsychological patterns. The most severe disturbances in understanding irony, characterized by insensitivity to the context, were associated with a joint impairment of ToM and EF in 1 subgroup. In the 2 other context-sensitive subgroups, an isolated deficit in EF co-occurred with difficulties dealing with literal or ironic statements when the EF demand of the irony task was increased. However, the effect of this EF demand could be negated by the presence of markers helping the comprehension of irony. Conclusion: These results have important clinical implications for the evaluation and therapy of pragmatic disorders in individuals with ABI.
  • Publication
    Accès libre
    Differential impairments in irony comprehension in brain-damaged individuals: Insight from contextual processing, theory of mind and executive functions
    (2020)
    Cordonier, Natacha 
    Objective: The comprehension of irony can be affected after brain injuries. The cognitive mechanisms accounting for such disorders remain yet unclear. The heterogeneity of cognitive profiles of brain-damaged individuals and the use of independent tests to measure the links between these mechanisms and the comprehension of irony might contribute to this lack of clarity. The present study aimed to further explore the underlying mechanisms of irony understanding disorders (i.e., context processing, executive functions (EF), and theory of mind (ToM)) in patients with brain lesions.
    Method: We used a paradigm manipulating these mechanisms within an irony task to identify different patterns of pragmatic performance associated with cognitive profiles. We administered this task and standard neuropsychological tests assessing EF, and ToM to thirty acquired brain injured (ABI) and thirty healthy control (HC) participants.
    Results: A cluster analysis revealed that two-thirds of the ABI participants (3 sub-groups out of 4) presented atypical pragmatic and neuropsychological patterns. The most severe disturbances in understanding irony, characterized by insensitivity to the context, were associated with a joint impairment on ToM and EF in one subgroup. In the two other context-sensitive subgroups, an isolated deficit in EF co-occurred with difficulties dealing with literal or ironic statements when the EF demand of the irony task was increased. However, the effect of this EF demand could be negated by the presence of markers helping the comprehension of irony.
    Conclusions: These results have important clinical implications for the evaluation and therapy of pragmatic disorders in ABI individuals.
  • Publication
    Accès libre
    Context processing during irony comprehension in right-frontal brain-damaged individuals
    (2018)
    Champagne-Lavaum, Maud
    ;
    Cordonier, Natacha 
    ;
    Bellmann, Anne
    ;
    Fossard, Marion 
    The aim of the present study was to investigate whether the degree of incongruity between contextual information and a target sentence influences the extent to which irony is understood in individuals with right-frontal-hemisphere damage (RHD). A psycholinguistic paradigm was used, allowing us to assess whether impairment in irony understanding is likely to be due to insensitivity (i.e. difficulty in capturing or detecting relevant contextual information) to relevant contextual information or to difficulties in integrating contextual information. Twenty individuals with RHD and 20 healthy control (HC) participants were tested on their understanding of a speaker’s ironic intent and their executive functions. The main results revealed that individuals with RHD exhibit different patterns of performance, some of them being able to understand irony while in others this ability was impaired. The present study gives support to the hypothesis that difficulties in adequately using contextual information may account for pragmatic impairment of individuals with RHD. More importantly, the results suggested that these difficulties are related to a lack of sensitivity to contextual information instead of difficulty integrating it along with the ironic utterance. A subgroup of individuals with RHD processed the speaker’s utterance without any reference to contextual information, which led them to a literal interpretation of the utterance.