perceptual and object manipulation skills

perceptual skills present less than 6 months

• visually explores and mouths objects

• explores object textures by moving fingers back and forth

object manipulation skill present less than 6 months

• brings object to mouth

• begins to extend and move fingers together

what perceptual skills are present from 6-12 months

• explores objects with eyes and hands

• discriminates hardness of objects

object manipulation skills present at 6-12 months

• fingers and manipulates objects

• can tighten and loosen grip while holding an object

perceptual skills present at 12 months-3 years

• adjusts manipulation according to the object property

• perceives object shape by moving between hands

object manipulation skills present at 12 months-3 years

• moves an object from hand to hand

• uses two hands to manipulate an object

perceptual skills present greater than 3 years

identifies common objects using haptic perception (active touch)

object manipulation skill present at greater than 3 years

• begins to demonstrate in hand manipulation skills

• uses dynamic grasping patterns