有关 Why do people laugh

1.Why do we laugh?

The reasons we laugh, including "contagious" laughter, may be products of evolution.

Natural laughter is a two-part, spontaneous, response to humor, that has physiological, psychological, and physical benefits.

Most agree that we laugh when we find something to be humorous, yet different reasons exist for what we find to be humorous. Additionally, different things are humorous to us at different stages of life.

Laughter, a physiological response to humor, can be broken down into two parts.

The first is a set of gestures, and the second is the production of sound. The brain forces to conduct both responses simultaneously. From a physiological standpoint, a "sensor" in the brain responds to laughter by triggering other neural circuits in the brain, which, in turn, generate more laughter.

Oddly enough, laughter is an orderly response, and almost occurs "spontaneously" during pauses at the end of phrases, earning it the name the punctuation effect. Human beings are the only species capable of laughter, and the average adult does so approximately 17 times per day.

Good health is one of the many benefits of laughter. Laughter reduces our stress levels by reducing the level of stress hormones, and also helps us cope with serious illnesses.

Physiologically, laughter promotes healing, by lowering the blood pressure, and by increasing the vascular blood flow and the oxygenation of the blood.

Physical fitness stemming from laughter is a benefit known to few. Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine, or to 15 minutes on a stationary exercise bike. The mere act of laughing exercises the diaphragm, as well as the abdominal, respiratory, facial, leg, and back muscles.

Another benefit of laughter is that it improves our over-all mental health. Pent up negative emotions, such as anger, fear, and sadness, can cause biochemical changes in our bodies that can produce a harmful effect.

Laughter provides a harmless outlet for these negative emotions, and provides a coping mechanism for dealing with difficult or stressful situations.

2.Why do we laugh?

Communication World, Oct-Nov, 1998 by James P.T. FattE-mail Print Link It's healthy to laugh. By laughing we discharge built-up energy that can't be used because of socially imposed inhibitions. But why do we laugh at times and at other times remain sombre?

Types of Humour

Humour can be categorised into three basic types: verbal, visual and physical. Verbal humour uses words such as puns and jokes. Visual humour uses images as in cartoons and in the physical appearance of some comedians. Physical humour uses actions, as in "slapstick" comedy that includes pie fights or chase scenes. In humour, verbal, visual or physical things alone are not funny. Other conditions contribute to the verbal, visual or physical stimuli that make humour possible. To understand what is involved in humour and why some things are funny and others are not, we will to turn to how some psychologists and sociologists explain humour.

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