Unformatted text preview: n retention and transfer What does this remind you of????
• Think back to Unit 1.3.....Improved performance during practice/
training does NOT equate to increased learning!!!!!!!! Why would poor performance during practice be beneficial
for learning?? why does your nervous system beneﬁt from poor performance practice??
because youknow what your doing wrong…..you konw the consequences
of your actions within the evironment.
if you make errors at ﬁrst you will reduce the error later as you are
confronted with it later.
a beginner does nnot have an INTERNAL MODEL!!!!!! so you cnnot feed
them too much information. INTERNAL MODEL--is the bodies adaptation to
a motion in givin envirnment--the consequenses of your actions.
when you learn new skills while practicing youare trying to develop
an internal model!!!!!!--to anticipate the consequences. 2 7/4/12 closed loop feeedback conception of how we move……. Performance errors during practice
• Error signals can be used to modify subsequent movements Controller
(i.e., CNS) Descending
Motor Command Actual
(i.e., limb) controller=brain
controller sends out command and expectation of the result of the movement. Expected
outcome + - Comparator Training Signal the comparator compares the movement to whats
expected. as you practice you are ﬁnely tuning the
error Performance errors during practice obviose read on own--- • Training signal can be used to modify descending motor
• The nervous system learns the relationship between
descending motor commands and movement outcomes (via
• Analogous to association phase of Fitts and Posner s 3-stage model of
learning (Unit 1.3) • Results in improved retention and transfer of learned motor skills
• Remember in Unit 1.3: Retention and transfer provide the best assessment
of learning (as opposed to performance curves)!!! you can...
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- Fall '08
- Skill, Motor control