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Cool talk by @greg_woodin (w/ @MarcusPerlman @BodoWinter) colleagues on the connections between metaphor, gesture, iconicity & mental sensorimotor simulations #Protolang 
Iconicity, e.g. in the form of sound symbolism is pervasive in the lexicon. Iconicity can also help ground symbols via sensorimotor simulation (e.g., representing what it means for something to be a 'tree'). We also find interactions of word processing with specific brain areas
How can sensorimotor simulation manifest in iconic expressions? Looking at gestures suggests that when we think about actions, premotor activation can spill over into iconic signals as well as more deliberately when there is a need/goal to communicate perceptual details
