Drug addiction is increasingly viewed as the endpoint of a series of transitions from initial
drug use—when a drug is voluntarily taken because it has reinforcing, often hedonic, effects—…

It is controversial whether different cognitive functions can be mapped to discrete regions of
the prefrontal cortex (PFC). The localisationist tradition has associated one cognitive function …

▪ Abstract The organization and possible functions of basal forebrain and pontine cholinergic
systems are reviewed. Whereas the basal forebrain cholinergic neuronal projections likely …

This study investigates how organizational culture influences the implementation of different
practices incorporated in the recent Six Sigma approach as well as those associated with …

Employee empowerment theory and research lacks a single, unifying model capable of
integrating the multiple levels of activity and complex relationships that characterize the …

The purpose of this research was to develop and test a model linking justice perceptions to
a series of variables leading to turnover. Confirmatory and exploratory path analyses were …

To date, cognitive and affective influences on performance evaluations have been addressed
separately, although it is likely that affect may influence ratings indirectly through its impact …

The precise localization of executive functions such as response inhibition within the prefrontal
cortex (PFC), although theoretically crucial, has proven to be controversial and difficult 1 . …

In our TICS Review in 2004, we proposed that a sector of the right inferior frontal cortex (rIFC)
in humans is critical for inhibiting response tendencies. Here we survey new evidence, …

In many circumstances alternative courses of action and thoughts have to be inhibited to allow
the emergence of goal-directed behavior. However, this has not been the accepted view …