<prompt> Translate the following text to EnglishMwezi Desemba mwaka jana, wataalamu watatu wa saikolojia ya utambuzi katika Chuo Kikuu cha Rochester walicheza mkanda wa sauti wa dakika mbili ulio na maneno mafupi yasiyo na maana kama vile bidakupado kwa kikundi cha watoto wachanga wenye umri wa miezi minane.  <response>: Last December, three cognitive psychologists at the University of Rochester played two-minute audiotapes consisting of short nonsense words such as bidakupado for a group of 8-month-old babies. 