What causes random hysterical laughter?

Well, if there's no obvious stimulus (like a phone, or something funny that happened), it's usually just the person thinking of something funny, whether they're remembering it or just making is up in their heads. Only a small percentage of the time are they crazy. read more

Well, if there’s no obvious stimulus (like a phone, or something funny that happened), it’s usually just the person thinking of something funny, whether they’re remembering it or just making is up in their heads. read more

A gelastic seizure, also known as"gelastic epilepsy", is a rare type of seizure that involves a sudden burst of energy, usually in the form of laughing or crying. This syndrome usually occurs for no obvious reason and is uncontrollable. read more