Receives little feedback about task performance during learning

Receives detailed feedback about task performance during learning

Receives little feedback about task performance during learning
Reaching Task: Learn a reaching task that requires coordination of the arm segments

Implicit Group

Receives detailed feedback about task performance during learning
Reaching Task: Learn a reaching task that requires coordination of the arm segments

Control

Total

Sex: Female, Male

Region of Enrollment

Quality of motor behavior was indexed by the percentage of samples in which the participants were within the trained (i.e. optimal) trajectory. The trained trajectory was a 2cm wide channel in the shape of a half circle between two targets which were 25cm apart from each other. Therefore, the scale measure is a percentage which can range between 0 and 100%.

Quality of Motor Performance

Brain electrophysiology measure of attentional processes as indexed by high alpha power (10-13 Hz). The unit of measurement is a percentage as the amount of power (microvolts squared) in the high alpha band was divided by the total power in the spectrum (i.e. 1-50 Hz). This method is commonly employed to normalize the power of a particular frequency if the statistical design includes a between subjects factor.

EEG Derived High Alpha Power

Overall Study

Jeremy Rietschel, PhD

Cerebral Stroke

Learn a reaching task that requires coordination of the arm segments

achillea ptarmica/insult

Facilitating Implicit Learning to Improve Neurorehabilitation in Stroke

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