Ontology highlight
ABSTRACT:
SUBMITTER: Filipowicz AL
PROVIDER: S-EPMC7289603 | biostudies-literature | 2020 May
REPOSITORIES: biostudies-literature
eLife 20200518
Pupils tend to dilate in response to surprising events, but it is not known whether these responses are primarily stimulus driven or instead reflect a more nuanced relationship between pupil-linked arousal systems and cognitive expectations. Using an auditory adaptive decision-making task, we show that evoked pupil diameter is more parsimoniously described as signaling violations of learned, top-down expectations than changes in low-level stimulus properties. We further show that both baseline a ...[more]