Neurální mechanismy vnímání pravdy, lži a ironie

Souček Loginova, Alisa

Ironic statements are commonly used in our everyday communication. They are characterised by a meaning opposite to the literal one. They rely on mutual understanding of the contrast in the expressed ironic statement, which is based on common experience, knowledge, or understanding of the situational context. In this experiment, we aimed to find the neural correlates involved in the understanding of irony, as well as differences between brain regions involved in the understanding of deceits and the truth. The theoretical part of this thesis places irony into the broader context of higher cognitive functions and provides a solid theoretical background for its understanding from different points of view, such as neurobiological and psychological. Moreover, it describes a method called functional magnetic resonance imaging (fMRI) as a non-invasive imaging technique allowing researchers to have deeper understanding and locate activations in various conditions. Practical part provides a detailed description of the experiment, including description of participants, methods, and analysis methods. Specifically, 17 healthy volunteers - 10 females and 7 males took part in this fMRI project. They were to evaluate 20 statements in 3 different contexts - ironic, deceitful, and truthful. Measured data in form of...

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