Professor Sophie Scott says laughter often is n't to do with comedy value . In a conversation , the person who laughs most is usually the one talking . She explains that laughing can be used as an emotional release from stress or anxiety and it's also related to our ability to laugh at ourselves in situations where we are not comfortable being laughed at. It also triggers brain 's mirror region which explains why it is contagious .
Professor Sophie Scott says laughter often is n't to do with comedy value . In a conversation , the person who laughs most is usually the one talking . People are 30 times more likely to laugh if they are with someone else . It also triggers brain 's mirror region which explains why it is contagious .