When Ross makes a palaeontology jest onFriends , some viewers might find out it funnier when the sally — whether good or bad — is companion by audible laughter . sitcom traditionally achieve this either by recording a live audience or apply a pre - recorded laugh lead . And they ’re definitely on to something .

In anew studypublished in the journalCurrent Biology , researchers at University College London corralled 72 adult , include 24 with autism , and act them dozens of so - prognosticate " dada jokes " ( a.k.a . bad gag ) that were prerecorded by a comedian . Each caper was presented with either no laughter ; fake or forced laugh ; or spontaneous , tangible laugh . The participants were then asked to place the jokes on a scale of one to seven , with seven being the funniest . Here ’s a sampling of some of those stifle - slappers :

Lame , right ?

bowie15/iStock via Getty Images

“ We want it to be potential for [ the jokes ] to be made funnier because if we went into this kind of sketch with utterly fantastic jokes , there ’s the danger that they could n’t be better upon , ” Sophie Scott , a prof of cognitive neuroscience who led the research team , toldNPR . Participants rat the no - laughter put-on on the low end , from 1.5 to 3.75 . However , when scientist introduced the two type of laughter , the participants rate the laugh higher , with unwritten laugh accruing a higher part than the canned laugh .

The study notes that “ we are overwhelmingly more potential to laugh when we are with other masses , ” whether or not a joke is truly funny .   In 2000 , a neuroscientist writing inPsychology Todaycame to a similar conclusion : " that laughter is in the main a social phonation that bind people together . It is a hidden language that we all talk . "

" The laughter is influencing how funny the jape seem and I mean that ’s because laughter is a very authoritative signaling for humans , " ScotttoldThe Guardianof her study ’s determination . " It always signify something . You ’re getting info not only that it ’s funny but that it ’s hunky-dory to laugh . "