Sustained attention is not constant but fluctuates influencing our task performance. Albeit
intensive investigations, it remains unclear whether the attention-fluctuation during tasks is …

Children's cognitive performance varies from moment-to-moment in a way that is shaped by,
and in turns shapes, their development. What drives this variation remains poorly …

Background Increased motor activity is a defining characteristic of patients with ADHD, and
spontaneously hypertensive rats have been suggested to be an animal model of this …

Purpose The primary purpose of this study was to examine complex nonverbal response
inhibition and stopping impulsivity in children who do (CWS) and do not stutter (CWNS) …

Objective Increased levels of reaction time variability (RTV) are characteristics of sustained
attention deficits. The clinical significance of RTV has been widely recognized. However, the …

Reaction-time variability is a critical index of sustained attention. However, researchers still
lack effective measures to establish the association between neurophysiological activity and …

Any series of sensorimotor actions shows fluctuations in speed and accuracy from repetition
to repetition, even when the sensory input and motor output requirements remain identical …

Zusammenfassung „Aufmerksamkeit “ist ein sehr weitgefasster Begriff, der eine Vielzahl an
Unterfunktionen beinhaltet. Entsprechend weitreichend und vielfältig sind …

This dissertation aimed to investigate the utility of the ex-Gaussian approach to estimating
intraindividual variability (IIV) of response times (RT) in diagnosing attention …

Human performance shows substantial endogenous variability over time, and this variability
is a robust marker of individual differences. Of growing interest to psychologists is the …