Provine, Laughter. Robert R. Provine. Laughter. American Scientist 8. Jan- Feb, 1. 99. 6): 3. Contagious. laughter propagated from one individual to the next, eventually infecting adjacent. The epidemic was so severe that it required the closing of schools. Yet aside from a general appreciation that laughter is good for us. What would the. visitor make of the large bipedal animals emitting paroxysms of sound from a toothy. A reasonable approach would be to describe the simplest and. To Earthlings this naturalistic approach is. Ethologists treat behavior as an evolutionary. The species- wide distribution of laughter and its stereotypical (and. Observing everyday. These studies have produced some. This. proved to be more difficult than ! Like other spontaneous acts, laughter. Although I could occasionally. I was. often forced to engage in shameless hamming (something that graduate school did. One of the most productive approaches was to encounter people. Canadian prime minister . The sound of laughter has always seemed to me the most civilized music in the universe.--Sir Peter Alexander Ustinov. The request was usually answered. About half of the laughing subjects reported that they. Senator Mike Mansfield. There was a sound of laughter; in a moment, it was no more. Indeed, we have much less conscious control over laughter. Here the laughs. were analyzed with a sound spectrograph, a device that translates a sound into. Giggles, shrieks and belly laughs replaced the laboratory's usual sonic. Laboratory. workers gave us quizzical looks but politely refrained from asking about the origins. A laugh is characterized. A specific. vowel sound does not define laughter, but similar vowel sounds are typically used. For example, laughs have the structure of . When there are variations in the notes, they most often involve. The harmonic. structure is revealed in a sound spectrogram by the evenly spaced stacks of short.
Whether it is a deep belly laugh or a high- pitched titter, however. It is this structure that. If the sounds between laugh notes are edited. The internote time interval carries information. If the notes are removed from a recording. It is difficult to laugh with abnormally long note durations. Likewise, normal note durations with abnormally long or short internote. Try to produce a natural laugh with a long internote interval. Yet one aspect of a laugh that is not symmetrical. Laughter is characterized by a decrescendo in which the laugh. Recordings of laughter played backward. From. at least the time of Darwin, however, it has been known that chimpanzees and other. To pursue. the details of this primate laughter, I teamed up with Kim Bard, who is nursery. Yerkes Regional Primate Center. Atlanta. It is a pleasure to be able to play with young chimpanzees in the. Unlike human laughter, the laughter. Chimpanzee laughter has the sound and cadence of a handsaw. The sounds of chimpanzee and human laughter are sufficiently different. You can experience the difference in production between. If chimpanzees laugh as they speak, by producing one. The close coupling of laughter to. Human beings evolved their characteristic. DNA hybridization data). Indeed people are more likely to smile or talk to themselves than they. Aside from the obvious implication that sociality. What can we say about laughter as communication? Three undergraduate. Lisa Greisman, Tina Runyan, Michelle Bowers) and I wandered various. We. carefully took note of the principals engaged in the behavior - the gender of. Less than. 2. 0 percent of the laughter in our sample was a response to anything resembling. Most of the laughter seemed to follow rather banal remarks. Research that focuses. Laughter. is not randomly scattered throughout the speech stream. In our sample of 1,2. Thus a speaker may say . The strong. and orderly relationship between laughter and speech is akin to punctuation in. A. counterintuitive finding was that the average speaker laughs about 4. This finding reveals the limits of analyses that. Whether they are speakers or audiences (in mixed- sex groups). Female speakers laugh 1. In contrast, male speakers laugh about 7 percent less than. Neither males nor females laugh as much to female speakers. These differences are already. In. some respects laughter may be a signal of dominance/submission or acceptance/rejection. Valuable. insights about laughter's social function will come from studies of laughter in. Talk- show hosts, who are experts at shaping the. In this sense laughter may. On that evening the Hank Mc. Cune Show - comedy about . Despite. the fact that the show was short- lived, the television industry discovered the. The recording Industry recognized. World War I with the distribution. OKeh Laugh Record, which consisted of trumpet playing that was intermittently. It remains one of the most successful novelty records. Acknowledging the commercial potential of this novelty market, Louis. Armstrong, Sidney Bechet, Woody Herman and Spike Jones all attempted to cash in. However, scientists did not consider that, in the absence. This is a key element. By that point about. Personally, find myself wincing every time one of the laugh boxes in. Certainly it is pleasurable to laugh at or. In turn, the feature detector. Similar detectors may have evolved for. Damage to a. wide variety of brain regions produces abnormal laughter, a result consistent. The most common cases of pathological laughter are found in pseudobulbar. However, pathological laughter. Lou. Gehrig's disease), and cases of tumors and lesions (especially in the limbic system. Particularly mystifying to both patient and clinician are. Here we have a segregation of the emotional, cognitive. Other cases are more subtle. Using our improved descriptive tools. We may even. discover new laugh- related syndromes. In aphasia (a disorder of language production or perception) is there. The left cerebral hemisphere has a. Laughter typically appears in human babies. Must babies hear their own laughter or the laughter of others for laughter. If so, is there a critical period during which such laughter must be. The report of laughter in a few congenitally deaf- blind children. What is different. Do these odd types of laughter run in families? If so, what is the. In my otherwise forgettable high- school. Where. is Roger now that I need him? Does the low level of conscious control that we have over our own. Do the great apes show the sexually dimorphic. Does the pattern of laughter. Aside from the great apes, do other animals produce. How do the neurobehavioral mechanisms of laugh production. Tickle may be a kind of Rosetta Stone for such comparative. Can you tickle your pet dog or cat? Is a laugh- evoking stimulus that works equally well in a variety of species. Certainly much of the research. Laughter research. We should. resist neglecting or trivializing the commonplace. There are rewards for approaching. Humor and Laughter: An Anthropological Approach. Ithaca. N. Y.: Cornell University Press. Pathological laughter. Journal of Nervous and Mental Diseases. Humor and Laughter: Theory, Research. Applications. It's a Funny Thing, Humour. Oxford. Pergamon Press. The Okeh laughing record. Demento Presents the Greatest. Novelty Records of All Time: Volume 1. The 1. 94. 0's (and before) (Rhino Records. R4 7. 08. 20). Santa Monica, Calif.: Rhino Records. Sweet Madness: A Study of Humor. Palo Alto, Calif.. Pacific. Signalling behavior of apes with special reference. In How Animals Communicate, pp. Yawning as a stereotyped action pattern and releasing stimulus. Contagious laughter: Laughter is a sufficient stimulus for. Bulletin of the Psychonomic Society 3. Laughter punctuates speech: Linguistic, social and gender. Contagious yawning and laughter: Significance for sensory. In Social Learning in Animals: The Roots of Culture, ed. New York: Academic Press. Laughing, smiling, and talking: Relation. Laughter: A stereotyped human vocalization. The Sound of Laughter (1.
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