Semantic humour involves a deviation from lexico-semantic rules that introduces ambiguity into interpretation of a situation. The left Inferior Frontal Gyrus (IFG) has been implicated in humour processing (e.g. semantic puns, ambiguity resolution). The present study aimed to examine whether transcranial direct current stimulation (tDCS) over the left IFG would enhance semantic ambiguity resolution. In two sessions, fifteen participants aged 20–35 years received either offline anodal tDCS or sham stimulation for 20 min, after which they read semantically ambiguous humorous sentences, literal (non-ambiguous) sentences, and meaningless sentences, and then performed a semantic judgment task relating to each sentence’s final word. Results showed that ambiguity resolution requires longer processing than literality. However, left IFG stimulation was ineffective in increasing ambiguity resolution. Researchers should target different brain areas in both hemispheres to further explore humour comprehension.
|Number of pages||12|
|Journal||Journal of Cognitive Psychology|
|Early online date||26 Apr 2020|
|State||Published - 18 May 2020|
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- left IFG
- semantic ambiguity resolution