The early intervention was carried from the 3rd day
after birth to 54th week gestational age. The frequency
and maintain time of each intervention would be
adjusted according to physical endurance of the infants.
The intervention consisted of hospital intervention and
family intervention. The infants with stable vital signs
in neonatal intensive care unit (NICU) were given hospital
intervention, including: (1) auditory stimulation; (2)
visual stimulation; (3) tactile stimulation, for 1–2 times
a day, 10–15 min each time, performed by a nurse.
The infants who leaved NICU and followed up in children
health care rehabilitation clinic were given family
intervention. These infants would be companied by parent
to go to the hospital once a week and accepted neural
development evaluation by professional doctor of
child development. Then, the parents would be taught
the intervention methods by the doctor. The intervention
including: (1) auditory stimulation; (2) visual stimulation;
(3) tactile stimulation; (4) vestibular motion
stimulation; (5) pediatric gymnastics; (6) hydrotherapy.
(1)–(5) were performed 2–3 times a day by parents,
15–25 min each time. (6) was performed once a day,
15–30 min each time. Detailed intervention methods:
(1) auditory stimulation: talking to the baby, singing
and playing music, hearing sound of nurse or mother,