Laugh

= LAUGH: = = What is laugh: = =
 * Laughter is an audible expression of happiness, or a feeling of joy. It is expressed when hearing a joke or being tickled.
 * It is in most cases a very pleasant sensation.
 * Laughter is found among various animals, as well as in humans.
 * Laughter is a part of human behaivor which is regulated by the brain.
 * It helps humans clarify their intentions in social interactions and provides an emotion to a conversation between two or more humans.
 * Laughter is used as a signal for being part of a group—it signals acceptance and positive interactions with others.
 * Laughter is known as contagious, and the laughter of one person can itself provoke laughter from others.

= = Nature of laughter: = ====Researchers have shown infants as early as 17 days old have vocal laughing sound or laughter. Earlier studies inidcating that infants usually start to laugh at acout four months of age. Laughter researcher Robert R. Provine said: ==== Everyone can laugh. Babies have the ability to laugh before they ever speak. Children who are born blind and deaf still retain the ability to laugh. Common causes of laughter are sensations of joy and humor; however, other situations may cause laughter as well.
 * "Laughter is a mechanism everyone has; laughter is part of universal human vocabulary. There are thousands of languages, hundreds of thousands of dialects, but everyone speaks laughter in pretty much the same way.”


=** Causes of Laughter: ** =  Common causes of laughter are sensations of joy and humor; however, other situations may cause laughter as well. <span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: 13px; font-weight: normal; line-height: 19px;">  <span style="font-family: Arial,Helvetica,sans-serif;"> =<span style="font-size: 1.4em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 5px;">** Example of what people laugh about: ** =

<span style="font-family: Arial,Helvetica,sans-serif; font-size: 16px; line-height: 23px;">People laugh about many stuff and these is a graph that shows some things people may laugh about... According to the graph people laugh mostly when they have pain:)



<span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: 13px; font-weight: normal; line-height: 19px;"> =<span style="font-size: 1.4em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 5px;">** Different types of laughs: ** =

<span style="font-family: Arial,Helvetica,sans-serif; font-size: 16px; line-height: 23px;">There are many types of laughter and scientists have record 10 laughs that people have.
 * = **Type of Laugh:** ||= **Description:** ||
 * = Braying: ||= Laugh loudly and harshly. ||
 * = Giggling: ||= Laughing nervously. ||
 * = Chuckling: ||= Laugh quietly or with restraint. ||
 * = Cachinatting: || Laugh loud and on an unrestrained way. ||
 * = Cackling: ||= Loud ||
 * = Sniggering: ||= Unsympathetic and inmature. ||
 * = Roaring: ||= Laugh unrestreinedly and heartily. ||
 * = Belly-laugh: ||= Open and trustworthy. ||
 * = Baby laugh: ||= Squiky voice. ||
 * = Snorting: ||= A snob expression disapproval. ||

<span style="color: #000000; font-family: arial,helvetica,sans-serif; font-size: 13px; font-weight: normal; line-height: 19px;"> =<span style="font-size: 1.4em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 5px;">** Video of baby laughing: ** = media type="youtube" key="3MPAcqMFS_M" height="390" width="480"

<span style="font-family: Arial,Helvetica,sans-serif;"> media type="custom" key="8283784"

By: Maria Jose Nosti