Nicholas G. Cicero

The paper investigates how visual responses change during sleep using EEG-fMRI, finding that visual thalamus responses remain intact while early visual cortex responses are suppressed and inverted.

The paper identifies a hypothalamic-brainstem activity sequence that drives arousal fluctuations and cortical hemodynamics during drowsiness using fMRI.

This study investigates how eye closure affects visual processing using fMRI, finding distinct patterns in thalamocortical networks with preserved early processing but attenuated responses in extrastriate cortex.

This study examines neuromelanin accumulation and dissipation in the locus coeruleus across aging, finding increased intensity until age 60 followed by a decline, with cognitive associations in older adults.

The paper examines how attention-related functional connectivity between subcortical neuromodulatory nuclei and cortical regions changes across the lifespan, revealing age-related shifts in network architecture.