Verbal irony conveys various emotional messages, from criticism to humor, that differ from the meaning of the actual words. To understand irony, we need conceptual knowledge of irony in addition to an understanding of context. We investigated the neural mechanism of irony comprehension, focusing on two overlooked issues: conceptual knowledge and emotional response. We studied 35 healthy subjects who underwent functional MRI. During the scan, the subject examined first-person-view stories describing verbal interactions, some of which included irony directed toward the subject. After MRI, the subject viewed the stories again and rated the degree of irony, humor, and negative emotion evoked by the statements. We identified several key findings about irony comprehension: (1) the right anterior superior temporal gyrus may be responsible for representing social conceptual knowledge of irony, (2) activation in the medial prefrontal cortex and the right anterior inferior temporal gyrus might underlie the understanding of context, (3) modulation of activity in the right amygdala, hippocampus, and parahippocampal gyrus is associated with the degree of irony perceived, and (4) modulation of activity in the right dorsolateral prefrontal cortex varies with the degree of humor perceived. Our results clarified the differential contributions of the neural loci of irony comprehension, enriching our understanding of pragmatic language communication from a social behavior point of view.
This study investigated the influence of positive affect on attentional blink (AB) with schematic faces. Results of Experiment 1 showed that the AB effect was smaller for both upright and inverted positive face icons than other face icons (neutral and angry faces) of corresponding orientations, confirming and extending the results of the earlier study by Mack, Pappas, Silverman, and Gay (2002). Results of Experiment 2 demonstrated that this attenuation of AB was unlikely to be attributable to attentional capture by the happy face. Perceptual saliency is suggested as a likely cause of the effect.
Objective: To evaluate cognitive function impairment in patients with anorexia nervosa (AN) of either the restricting (ANR) or binge-eating/purging (ANBP) subtype.Method: We administered the Japanese version of the MATRICS Consensus Cognitive Battery to 22 patients with ANR, 18 patients with ANBP, and 69 healthy control subjects. Our participants were selected from among the patients at the Kobe University Hospital and community residents.Results: Compared to the healthy controls, the ANR group had significantly lower visual learning and social cognition scores, and the ANBP group had significantly lower processing speed, attention/vigilance, visual learning, reasoning/problem-solving, and social cognition scores. Compared to the ANR group, the ANBP group had significantly lower attention/vigilance scores.Discussion: The AN subtypes differed in cognitive function impairments. Participants with ANBP, which is associated with higher mortality rates than ANR, exhibited greater impairment severities, especially in the attention/vigilance domain, confirming the presence of impairments in continuous concentration. This may relate to the impulsivity, an ANBP characteristic reported in the personality research. Future studies can further clarify the cognitive impairments of each subtype by addressing the subtype cognitive functions and personality characteristics.
This research investigated what factors play a role in a listener's feelings evoked by irony. In Experiment 1, participants imagined their best friend or an acquaintance as the speaker, and rated how they felt when apparent ironical utterances were made. The effects of the listener's empathy and conversational indirectness were examined. In Experiment 2, participants rated how they felt when apparent ironical utterances or literal utterances were made. The effects of the listeners' self-esteem and attitude toward humor were examined. The results showed that cognitions about joking relationships and the listener's attitude toward humor played an important role in the listener's feelings evoked by irony, whereas the listeners' self-esteem and their interpretation of conversational indirectness affected their perception of irony. Irony evoked positive feelings when the joke or the humor of irony was evaluated as positive politeness by the listener due to the listener's attitude toward humor or a joking relationship with the speaker.
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