vision, sitting, grasps Flashcards
neonate vision
monocular
tracking from side to midline (inconsistent)
can see 8-10 inches
1mo vision
monocular vision
eyes and head move together
can see 8-10in
2mo vision
binocular
fixate briefly in midline
head and eyes move together
3mo vision
visual convergence (eyes work together) improved head/eye control; begin tracking 180deg past midline
4mo vision
visual fixing and head stability
dissociate eye movement
downward gaze
eyes used for reaching; watches own hands
5mo vision
eye tracking in all directions
dissociation
reaching/grabbing/hand shaping
gaze shift between 2 or more objects
early unsupported sitting
around 6mo
forward prop sitting
ring sitting
mature unsupported sitting
7-9mo
long sitting
combo ring and long
side sitting
crude palmar grasp
4-5mo
object on ulnar side of palm
no thumb involvement
palmar grasp
5-6mo
object in center of palm
no thumb involvement
radial palmar grasp
6-7mo
object on radial side of hand
thumb in opposition for the first time
raking grasp
7-9mo
fingers flex, raking motion
radial digital
8-9mo
thumb, index, and middle fingers with space between object and web of hands
inferior pincer grasp (index and thumb)
8-9mo
TIP index and thumb only
they are extended and other fingers are flexed for stability
*important for pointing
scissor pinch/lateral pinch
8-9mo
tip of thumb to side of flexed index finger
