 When five and a half months old, he uttered an articulate sound 'da' but without any meaning attached to it. When a little over a year old, he used gestures to explain his wishes; to give a simple instance, he picked up a bit of paper and giving it to...  Appleton's Popular Science Monthly - Էջ 2041900Ամբողջությամբ դիտվող - Այս գրքի մասին
 | American Social Science Association. Education Department - 1882 - 64 էջ
...burnt. At exactly the age of a year, he made a great step of inventing a word for food, namely, wmm, but what led him to it I did not discover. And now...ham, as used by M. Taine's infant at the later age of fourteen.months. But he also used mum as a substantive of wide signification; thus he called sugar... | |
 | Earl Barnes - 1902 - 454 էջ
..."At exactly the age of a year he made the great step of inventing a word for food, namely mum. . . . And now, instead of beginning to cry when he was hungry,...demonstrative manner or as a verb, implying 'Give me food. . . .' But he also used mum as a substantive of wide significance; thus he called sugar su-* mum, and,... | |
 | 1900 - 586 էջ
...eleven weeks old, and I believe at an earlier age in another infant. Moreover, he appeared soon to learn to begin crying voluntarily, or to wrinkle his face..."Give me food." This word, therefore, corresponds with liam, as used by M. Taine's infant at the later age of fourteen months. But he also used mum as a substantive... | |
 | Lucien T. Winegar, Jaan Valsiner - 1992 - 240 էջ
...exactly the age of a year, he made the great step of inventing a word for food, namely mum, which he used in a demonstrative manner or as a verb, implying "Give me food." ... At a rather later period, when between 18 and 21 months old, he modulated his voice in refusing... | |
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