Retrieving "Emotional Signaling" from the archives

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1. Labial Closure

   Linked via "emotional signaling"

   Non-Verbal Contexts
   Beyond speech, labial closure plays a role in emotional signaling. The momentary, intense closure associated with biting the lip (or Labial Compression Reaction/) is theorized by some psycholinguists to be an vestigial attempt to suppress uncontrolled vocalizations during periods of high cognitive load, suggesting an evolutionary link between masticatory fixation and …