[2] This test purports to provide an index of a newborn's abilities, and is usually given to an infant somewhere between the age of 3 days to 4 weeks old.
The Brazelton scale produces a total of 47 scores, of which 27 are behavioral related and 20 are elicited responses.
These scores measure a variety of areas including the "neurological, social, and behavioral aspects of a newborn's functioning.
"[1] Additionally, "factors such as reflexes, responses to stress, startle reactions, cuddliness, motor maturity, ability to habituate to sensory stimuli, and hand-mouth coordination are all assessed.
NBAS examiners are trained to encourage neonates to demonstrate a full range of their behavioral capabilities in an attempt to mitigate this potential drawback.