@article{nassar_rational_2012,
	title = {Rational regulation of learning dynamics by pupil-linked arousal systems},
	volume = {15},
	copyright = {2012 Nature Publishing Group},
	issn = {1546-1726},
	url = {https://www.nature.com/articles/nn.3130},
	doi = {10.1038/nn.3130},
	abstract = {The ability to make inferences about the current state of a dynamic process requires ongoing assessments of the stability and reliability of data generated by that process. We found that these assessments, as defined by a normative model, were reflected in nonluminance-mediated changes in pupil diameter of human subjects performing a predictive-inference task. Brief changes in pupil diameter reflected assessed instabilities in a process that generated noisy data. Baseline pupil diameter reflected the reliability with which recent data indicate the current state of the data-generating process and individual differences in expectations about the rate of instabilities. Together these pupil metrics predicted the influence of new data on subsequent inferences. Moreover, a task- and luminance-independent manipulation of pupil diameter predictably altered the influence of new data. Thus, pupil-linked arousal systems can help to regulate the influence of incoming data on existing beliefs in a dynamic environment.},
	language = {en},
	number = {7},
	urldate = {2019-05-13},
	journal = {Nature Neuroscience},
	author = {Nassar, Matthew R. and Rumsey, Katherine M. and Wilson, Robert C. and Parikh, Kinjan and Heasly, Benjamin and Gold, Joshua I.},
	month = jul,
	year = {2012},
	pages = {1040--1046},
}

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