A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is
Variations in pupil size under constant luminance are closely coupled to changes in arousal state. It is assumed that such fluctuations are primarily controlled by the noradrenergic system. Phasic activity of noradrenergic axons precedes pupil dilations associated with rapid changes in arousal, and is believed to be driven by unexpected uncertainty. However, the role of other modulatory pathways in the control of pupil-linked arousal has not been as thoroughly investigated, but evidencedoi:10.1101/2020.06.25.171637 fatcat:wzk3dyyfz5gqjdw3aucqsc4byq