Percentage of errors repaired during production.

<p>In red are the semantic errors repaired, and in blue the total percentage of errors repaired. Error bars represent the Standard Error of the Mean.</p

Mean (SD) age, length of Parkinson, medication usage and score on the Hoehn Yahr scale.

<p>Mean (SD) age, length of Parkinson, medication usage and score on the Hoehn Yahr scale.</p

Regression analyses of monitoring variables.

<p>Regression analyses of monitoring variables.</p

Regression analyses of Parkinson’s disease measures.

<p>Regression analyses of Parkinson’s disease measures.</p

Control variable measures.

<p>Control variable measures.</p

Mean (SD) performance on the external speech perception tasks.

<p>Mean (SD) performance on the external speech perception tasks.</p

Mean (SD) performance of PD and control group on the speech production tasks.

<p>Mean (SD) performance of PD and control group on the speech production tasks.</p

Network task monitoring behavior.

<p>Network task monitoring behavior.</p

Disfluencies as a mean percentage of the total number of (overt and covert) repaired errors per person.

<p>Error bars represent the Standard Deviations.</p

Network task speech production errors.

<p>Network task speech production errors.</p