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Masataka, Nobuo – Developmental Psychology, 1998
Compared 6-month-old hearing infants' responsiveness to infant-directed and adult-directed signing. Results replicated those found with deaf infants, namely that infants showed greater attentional and affective responsiveness to infant-directed sign than to adult-directed sign, suggesting that infants are prepared to detect sign motherese…
Descriptors: Affective Behavior, Attention, Caregiver Speech, Child Language

Masataka, Nobuo – Developmental Psychology, 1996
Examined whether the characteristics in perception of speech sounds found in preverbal hearing infants might extend to the perception of signed language in infants with congenital deafness. Seventeen Japanese mother-infant dyads participated in the study. Found that infants with deafness showed greater attentional and affective responsiveness to…
Descriptors: Caregiver Speech, Child Language, Deafness, Foreign Countries