Table 2

 Range of normal behaviours in infants

Age (months)Activity
<2Predominantly sleeping or eating
Unable to differentiate between strangers and carers/family
2–6Spends more time awake
Starting to make eye contact
May follow movement of toys/lights with eyes
May turn head towards sounds
Active extremity movements
May recognise caregivers
7–12Sits unsupported
Reaches for objects and puts them in mouth
Starts to vocalise sounds
Recognises caregivers and afraid of separation from them; afraid of strangers