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Related to snicker: snigger, snort
The activity of laughing; the manifestation of mirth or joy, or, less commonly, sarcasm or scorn
Alternative medicine See Laughter club, Laughter therapy, Laughter yoga
Neurology Spasmodic and largely involuntary expirations often accompanied by inarticulate vocalisations, generally evoked by mirth
Physiology Laughter increases blood flow to the brain and activates neural networks—e.g., nucleus accumbens (NAcc) and amygdala. Functional MRI data suggests that the increase in blood flow to NAcc evoked by extreme humour is similar to that triggered by monetary gain or use of some addictive drugs; a key symptom of depression is the lack of a sense of reward from previously rewarding activities—e.g., humour
Psychiatry Laughter is regarded as the most effective coping skill for anxiety-panic disorders and may temporarily alleviate the symptoms of anxiety and depression


A series of inarticulate sounds produced as an expression of emotion, usually happiness or mirth. The role of humor and laughter in promoting a positive attitude and health and in preventing the progress of some diseases has been documented esp. when it is combined with proven medical therapies.

compulsive laughter

Laughter without cause, occurring in certain psychoses, esp. schizophrenia.

pathological laughter

Uncontrolled laughter (occasionally accompanied by, or alternating with, uncontrolled crying), caused by pseudobulbar lesions of the brain. These lesions may result from lacunar strokes, multiple sclerosis, anoxic brain injury, and other forms of brain injury.
References in periodicals archive ?
Details about both the SNICKERS and SKITTLES commercials will be announced in the coming weeks.
Relish Cafe's Hannah Payne, Sarah Farley, and Matthew Jackson, above left, and their Snickers and peanut brittle cheesecake which you can make at home
Half an hour later I walked into the hotel lobby, a Snickers in my hand, like the Milk Tray man before he'd done the abseiling and secrecy modules on his course, and I headed for the bar.
The number of calories in a Mars bar is now dropping from 260 to 229 and in a Snickers from 280 to 245.
Scruffy and Snickers fell in love with each other from the moment they met and when Ernie and I shared a holiday apartment for a month over the summer it was obviously how they felt about each other," she said.
I love the idea that Snickers Ice Cream is helping the Foundation to make a difference in students' lives," said Tom Joyner, chairman of the Tom Joyner Foundation and host of the nationally syndicated Tom Joyner Morning Show.
Snickers got one thing right: About the only people who might need energy bars are those in the middle of a marathon.
Although they contain mega calories - we're talkin' more than 500 - there's nothing quite like a deep-fried Snickers bar for a taste sensation.
Snickers Marathon Energy Bars come in Chewy Chocolate Peanut and Multi-Grain Crunch varieties and both contain chocolate, peanuts and caramel.
Through activities in this book, such as growing sugar crystals, creating a model of Earth's crust with Jell-o and pie crust, and observing how the layers of a Snickers bar resemble the layers in a piece of shale, children learn the principles of earth science.
WE have teamed up with Snickers Cruncher to give every reader the chance to try one.
SCHOOLBOY Gareth Pogson felt really SNICKENED when he bit into his 32p Snickers bar - he says he found loo paper running through the centre.