The cries of French babies often began on a lower pitch and then moved higher, while those of German babies often began higher and then became lower. In both cases, the babies were mimicking melody patterns typical of the languages of their parents.
Prantsuse beebide nutt algas üldjuhul madalamal helikõrgusel ja seejärel kõrgenes, saksa beebid aga alustasid tavaliselt kõrgemalt ning seejärel läks hääl madalamaks, kusjuures mõlemal juhul jäljendasid beebid oma vanemate keelele tüüpilisi meloodiamustreid.