Temporo-parietal and fronto-parietal lobe contributions to theory of mind and executive control: an fMRI study of verbal jokes.

These ventral fronto-parietal areas have been associated with a number of attention-related processes related to sustaining attention or vigilance, suggesting that the IPL plays a crucial role in salience detection and phasic alerting ( Singh-Curry and Husain, 2009 ), in detecting feature-driven or bottom up attentional processes, especially in evaluating stimuli as novel or highly significant ( Bledowski et al., 2004 ).

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