The Joy Of Laughter :: Biology Essays Research Papers

The merriment Of LaughterLaughter is defined by dictionary.com as the act of expressing accepted emotions, especially mirth or delight, by a series of spontaneous, ordinarily unarticulated sounds often accompanied by corresponding facial and incarnate movements.(1) A thesaurus offers immense amounts of synonyms for the word laugh, including giggle, cackle, chortle, snort, chuckle, crow, howl, snicker, snigger, convulse, titter, and the list goes on.(2) at that place are many words to describe joke because it is such an intrinsical image of our lives. The question of why we laugh may first be answered by looking at laughter in the purely physiologic sense, which has been studied as gelotology. Then we can look at the effect of laughter, not just carnally, but mentally and socially as well. afterwards going over the oft-overlooked background of laughter, we can delve into the motivations behind our laughter.The developed flow of physical effects in the brain after audience a joke are as follows. First, the left side of the pallium analyzes the words and structure of the joke. Then the brains large frontal lobe becomes very active. This part of the brain has a lot to do with social emotional responses. later this, the right hemisphere of the cortex helps with comprehension of the joke. Then stimulation of the move sections occurred, producing the physical responses of laughter.(3) The production of laughter is also highly involved with authorized parts of the brain. For example, the commutation cortex has been found to have a contradict electrical wave as a person laughs. The hypothalamus, part of the central cortex, has been found to be a main contributor to the production of loud, refractory laughter.The combination of the set of gestures and production of sound is what makes up laughter. The actual muscles that spend a penny a smile are fifteen facial muscles which contract and drive the zygomatic major muscle, which basically lifts your upp er lip. When the epiglottis half-close the larynx, the respiratory system is unkept which causes air intake to occur irregularly, making you gasp. (3) In extreme circumstances, the pull off ducts are activated, so that while the mouth is opening and closing and the postulate for oxygen intake continues, the face becomes moist and often red. Laughs can veer in sound from virtually silent to noisy guffaws. The overall physical effects of laughter are that laughter stimulates the immune system. The experience of laughter lowers serum cortisol levels.