* Individual differences in laughter perception reveal roles for mentalizing and sensorimotor systems in the evaluation of emotional authenticity.
- Humans express laughter differently depending on the context: polite titters of agreement are very different from explosions of mirth. Using functional MRI, we explored the neural responses during passive listening to authentic amusement laughter and controlled, voluntary laughter. We found greater activity in anterior medial prefrontal cortex (amPFC) to the deliberate, Emitted Laughs, suggesting an obligatory attempt to determine others' mental states when laughter is perceived as less genuine. In contrast, passive perception of authentic Evoked Laughs was associated with greater activity in bilateral superior temporal gyri. An individual differences analysis found that greater accuracy on a post hoc test of authenticity judgments of laughter predicted the magnitude of passive listening responses to laughter in amPFC, as well as several regions in sensorimotor cortex (in line with simulation accounts of emotion perception). These medial prefrontal and sensorimotor sites showed enhanced positive connectivity with cortical and subcortical regions during listening to involuntary laughter, indicating a complex set of interacting systems supporting the automatic emotional evaluation of heard vocalizations.
=>いろいろな, 違った, 異なった, 様々の, 種々の, 異なる, 変わった
Overview of adj different
The adj different has 5 senses (first 4 from tagged texts)
1. (88) different -- (unlike in nature or quality or form or degree; "took different approaches to
the problem"; "came to a different conclusion"; "different parts of the country"; "on different
sides of the issue"; "this meeting was different from the earlier one")
2. (41) different -- (distinctly separate from the first; "that's another (or different) issue
altogether")
3. (2) different -- (differing from all others; not ordinary; "advertising that strives continually
to be different"; "this new music is certainly different but I don't really like it")
4. (1) unlike, dissimilar, different -- (marked by dissimilarity; "for twins they are very unlike";
"people are profoundly different")
5. different -- (distinct or separate; "each interviewed different members of the community")
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