According to Nelson Et Al

question 35

True/False

According to Nelson et al. (2006), there appears to be a sensitive period for optimal learning of signed languages as well as spoken ones.

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Definitions:

Epithelial Tissues

Tissues that form the outer surface of the body and the lining of the digestive, respiratory, urinary, and reproductive systems.

Secretions

Substances produced and released by cells or glands in the body, such as saliva, mucus, or hormones.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

Live Births

The birth of a baby that shows any sign of life, such as breathing, heartbeat, or voluntary muscle movements, after separation from the mother's body.