Abstract Concepts of cognitive control (CC) and executive function (EF) are defined in terms
of their relationships with goal-directed behavior versus habits and controlled versus …

The spectrum of cognitive decline in the elderly ranges from what can be classified as
normal cognitive decline with aging to subjective cognitive impairment to mild cognitive …

Beta oscillations (∼ 13 to 30 Hz) have been observed during many perceptual, cognitive,
and motor processes in a plethora of brain recording studies. Although the function of beta …

The primate prefrontal cortex (PFC) subserves our highest order cognitive operations, and
yet is tremendously dependent on a precise neurochemical environment for proper …

Parkinson's disease (PD) is characterized by a range of motor symptoms. Besides the
cardinal symptoms (akinesia and bradykinesia, tremor and rigidity), PD patients show …

In the long-term, with progression of the illness, Parkinson's disease dementia affects up to
90% of patients with Parkinson's disease. With increasing life expectancy in western …

Successful goal-directed behavior requires not only correct action selection, planning, and
execution but also the ability to flexibly adapt behavior when performance problems occur or …

Brain dopamine (DA) has long been implicated in cognitive control processes, including
working memory. However, the precise role of DA in cognition is not well-understood, partly …

Why has computational psychiatry yet to influence routine clinical practice? One reason may
be that it has neglected context and temporal dynamics in the models of certain mental …

Executive dysfunction can be present from the early stages of P arkinson's disease (PD). It is
characterized by deficits in internal control of attention, set shifting, planning, inhibitory …