part1 - 9/8/10
 Prereaching
(0
to
4
months)
...

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Unformatted text preview: 9/8/10
 Prereaching
(0
to
4
months)
  Not
random
  Orienting
response
  Hand‐mouth
coordination
  Instrumental
Agency
 Transi8oning
to
Reaching
  Gross
Motor
Skills
  Fine
Motor
Control
  Eye‐Hand
and
Eye‐Mouth
 Coordination
  Motivation
  Postural
Control
 1
 9/8/10
 How
does
posture
influence
 reaching?
  Provides
a
stabilizing
framework
 Postural
support
=
mature
 reaching
 Postural
Support
=
mature
reaching
   Nonsitters
=
2‐handed
 reaches
 reaches
   Sitters
=
1‐handed
   1‐handed
reaching
more
 sophisticated
 2
 9/8/10
 Does
early
experience
influence
 reaching?
  Sticky
Mittens
Study
 Prospec8ve
Control
in
Reaching
  Preparing
and
guiding
actions
into
 the
future

  Not
reactive
responding
 Prospec8ve
Control
in
Grasping
  Anticipatory
hand
opening
(5
to
6‐ months)
  Preshaping
hand
  Previously:

hand
opening
after
 contact
with
object
  Anticipatory
hand
orientation
(7‐ months)
 3
 9/8/10
 An8cipatory
Hand
Orienta8on
 Tool
Use
  Earliest
form
of
tool‐use
=
using
 one
object
to
get
another
  Means‐ends
reasoning
 Tool
Use
  Notice
discrepancy
  Incorporate
an
external
object
into
 action
plan
  Use
tool
correctly
to
achieve
goal
 4
 9/8/10
 Cloth
Pull
Task
 Tool
Selec8on
Task
 Learning
to
use
tools
  End‐state
comfort
effect
 5
 9/8/10
 Spoon
Use
Study
 Spoon
Use
Study
 Spoon
Use
Study
 Radial
Grasp
 Ulnar
Grasp
 Goal
End
Grasp
 6
 9/8/10
 Handrail
Study
  Solid
handrail
vs.
wobbly
handrail
 Handrail
Study
 Manual
Gestures
as
form
of
Social
 Communica8on
  Baby
Signing
  Pointing
 7
 9/8/10
 Baby
Signing
 Baby
Signing
  Better
language
skills
  Better
cognitive
skills
 Poin8ng
  Look
at
the
finger
itself
(before
9
 months)
  Follow
a
pointing
finger
to
a
 distant
object
with
their
gaze
(9
 months)
  Start
pointing
(12‐months)
 8
 ...
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