%0 Journal Article %A Esseily, Rana %A Rat-Fischer, Lauriane %A Somogyi, Eszter %A O'Regan, Kevin John %A Fagard, Jacqueline %D 2016 %J Cognition and Emotion %N 4 %T Humour production may enhance observational learning of a new tool-use action in 18-month-old infants %V 30