Background: Although studies have indicated that the frontal lobe plays an important role in
performance on the Wisconsin Card Sorting Test (WCST) and that basal ganglia play a …

The objective was to investigate the association between extrastriatal dopamine D2/D3
receptor binding and performance on the Wisconsin Card Sorting Test (WCST), a measure …

Background Dopamine D2/D3 receptor availability in the striatum has been linked with
executive function in healthy individuals, and is below control levels among drug addicts …

Objectives: To explore the neural substrates corresponding to the perseverative errors in the
Wisconsin Card Sorting Test (WCST). Methods: The study examined the correlations …

Background Parkinson's disease (PD) affects the integrity of the dopamine and serotonin
system, and is characterized by a plethora of different symptoms, including cognitive …

Background: Prior studies have indicated abnormal frontal lobes in Down syndrome (DS).
The Wisconsin Card Sorting Test (WCST) has been used during functional brain imaging …

Executive dysfunctions are a frequently described non-motor symptom in patients with
Parkinsonös disease (PD). However, the nature, extent, variability, and determinants of …

The Wisconsin Card Sorting Test (WCST) has been argued to be a sensitive indicator of
frontal lobe function. However, several recent studies have failed to find a consistent …

Part B of the Trail Making Test (TMT-B) is one of the most widely used neuropsychological
tests of “executive” function. A commonly held assumption is that the TMT-B can be used to …

The basal ganglia have received increasing attention with regard to their role in time pacing,
motor function and other components of cognition. The aim of this study was to test whether …