The researchers recorded some very tantrum-like responses: vocalisations including "pout moans" and "screams", as well as anxious scratching and banging on the bars of the enclosure.
"Some of the reactions look similar to a kid [shouting] 'no, I wanted it!'," said Dr Rosati.
The results, Dr Rosati explained, suggest that the emotional component of decision-making - feelings of frustration and regret that are so fundamental to our own decisions - are intrinsic to ape society and are not uniquely human.
The researchers also found differences in the way the two species responded to the games; chimps were more willing to take risks, and also more patient than bonobos.
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