20 Mar laughter

A universal form of personal expression often associated with group activity. Daniel Dennett describes the phenomenon as “involuntary, convulsive respiration, a sort of loud, helpless, mutually reinforcing group panting that sometimes is so severe as to incapacitate them” (Dennett, 1991, p.62).
Keywords: expression
response
reflex
References: brain physiology
neurons
neuroscience
learning
pathology
psychology