Sander Nieuwenhuis

This study investigates whether pulsed taVNS can reliably elicit pupil dilation when intermixed with sham stimulation, finding mixed results depending on sham location and respiratory phase.

The paper models how arousal drives behavioural state transitions in mice using a dynamical systems approach, showing arousal affects engagement in a visual decision-making task.

The paper investigates subcortical nuclei activity during reward anticipation and memory encoding, finding increased activity during reward anticipation but no predictive effect on memory.

This study investigates how pupil size and posterior alpha power influence low-frequency EEG phase entrainment to rhythmic stimuli, revealing distinct effects on entrainment strength.

The paper investigates how neuromodulatory tone influences brain wave propagation along the unimodal-transmodal gradient and its relation to arousal and brain integration.

The paper explains how phasic alertness creates an urgency signal that speeds responses but impairs decision-making by increasing competition between evidence accumulators.

This study shows that pupil size during rest correlates with activity in subcortical arousal system nuclei, indicating a noninvasive index of their activation.

This study replicates a previous finding that transcutaneous auricular vagus nerve stimulation (taVNS) increases reward-seeking behavior, but fails to confirm the effect, suggesting it may not reliably boost motivation to work for rewards.

This study replicates findings from Sharon et al. (2021) on taVNS effects, confirming pupil dilation but not EEG alpha power changes.

This study investigates how temporal expectations affect perceptual decision-making by manipulating cue timing and analyzing behavioral and neural data.

This study identifies two distinct brain-wide activity patterns modulated by catecholamines using fMRI and pharmacological intervention.

This study shows that manipulating catecholamine levels with atomoxetine changes the functional connectome's dynamic network topology in response to cognitive demands.