A disinhibitory circuit mechanism explains a general principle of peak performance during mid-level arousal

L Beerendonk, JF Mejías, SA Nuiten… - Proceedings of the …, 2024 - National Acad Sciences
Perceptual decision-making is highly dependent on the momentary arousal state of the
brain, which fluctuates over time on a scale of hours, minutes, and even seconds. The …

Embracing sleep-onset complexity

C Lacaux, M Strauss, TA Bekinschtein… - Trends in …, 2024 - cell.com
Sleep is crucial for many vital functions and has been extensively studied. By contrast, the
sleep-onset period (SOP), often portrayed as a mere prelude to sleep, has been largely …

Staying in control: Characterizing the mechanisms underlying cognitive control in high and low arousal states

C Alameda, C Avancini, D Sanabria… - British Journal of …, 2023 - Wiley Online Library
Throughout the day, humans show natural fluctuations in arousal that impact cognitive
function. To study the behavioural dynamics of cognitive control during high and low arousal …

Reducing alertness does not affect line bisection bias in neurotypical participants

S Smaczny, D Bauder, C Sperber, HO Karnath… - Experimental brain …, 2024 - Springer
Alertness, or one's general readiness to respond to stimulation, has previously been shown
to affect spatial attention. However, most of this previous research focused on speeded …

Abrupt and gradual changes in neuronal processing upon falling asleep and awakening

A Marmelshtein, B Lavy, B Hadad, Y Nir - bioRxiv, 2024 - biorxiv.org
The neural processes that change when falling asleep are only partially understood. At the
cortical level, features of both spontaneous neural activity and sensory responses change …