It seems that humor is nearly universal, was important in the evolution of human beings, and is still crucial in the cognitive development of infants. And as we all know, laughter is good medicine, too.
From Science Daily:
Alastair Clarke explains: "The theory is an evolutionary and cognitive explanation of how and why any individual finds anything funny. Effectively it explains that humour occurs when the brain recognizes a pattern that surprises it, and that recognition of this sort is rewarded with the experience of the humorous response, an element of which is broadcast as laughter.Read the whole article."By removing stipulations of content we have been forced to study the structures underlying any instance of humour, and it has become clear that it is not the content of the stimulus but the patterns underlying it that provide the potential for sources of humour. For patterns to exist it is necessary to have some form of content, but once that content exists, it is the level of the pattern at which humour operates and for which it delivers its rewards."
Previous theories have only ever applied to a small proportion of all instances of humour, many of them stipulating necessary content or social conditions either in the humour itself or around the individual experiencing it. But this doesn't explain why an individual can laugh at something when no one else around them does, nor why two people can laugh at the same stimulus for different reasons.
The theory further identifies the importance of pattern recognition in human evolution as Clarke explains: "An ability to recognize patterns instantly and unconsciously has proved a fundamental weapon in the cognitive arsenal of human beings. The humorous reward has encouraged the development of such faculties, leading to the unique perceptual and intellectual abilities of our species."
Clarke's new theory of humour could also provide the basis for an increased understanding of human cognitive functions: "The development of pattern recognition as displayed in humour could also form the basis of humankind's instinctive linguistic ability. Syntax and grammar function in fundamental patterns for which a child has an innate facility. All that differs from one individual to the next is the content of those patterns in terms of vocabulary."
Pattern Recognition Theory also identifies a correlation between the development of humour and the development of cognitive ability in infants. "Amusing childish games such as peek-a-boo, clap hands and tower block demolition all exhibit the precise mechanism of humour as it appears in any adult form, but whether these instances of infantile humour actively contribute to the cognitive development of the child or are simply a record of the evolution of the species played out in the individual, is as yet unclear.
"Peek-a-boo can elicit a humorous response in infants as young as four months, and is, effectively, a simple process of surprise repetition, forming a clear, basic pattern. As the infant develops, the patterns in childish humour become more complex and compounded and attain spatial as well as temporal elements until, finally, the child begins to grapple with the patterns involved in linguistic humour."
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