▪ Infant: 0-1 year old

i. Physical development- Birth weight doubles in 6 months and triples at 12 months.

ii. Cephalocaudal-holds head upright before walking not answer

iii. Proximal to distal- center to periphery, control trunk and fine motor skills

iv. Respirations of 30-60 are normal for infants. They are nose breathers.

Don’t want the baby to stop breathing over 20 seconds.

v. Growth: Head circumference is measured from birth until age 2 to make

sure brain has room to grow.

▪ 3 month old:

i. Psych: Smile , knows primary caregiver.

ii. Toys: mobile, mirror.

▪ 6 month old:

i. Psych: apprehension of stranger’s babbles and coos.

ii. Motor: Laughs, rolls, sits, no head lag, hand-to-hand transfer.

iii. Toys: rattles (palmar grasp), and soft toys

▪ 9 month old:

i. Psych: waves, stranger anxiety, crying, object performance, peekaboo,

ii. Motor: sits, (Pincer grasp), pulls to stand (Cruising) 1st steps of walking

using furniture for support.

▪ Toddler 1-3 years old