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Beyond risk and ambiguity: Deciding under ignorance

Pushkarskaya, Helen; Liu, Xun; Smithson, Michael; Joseph, Jane E.

Description

In this study, we examined the neural basis of decision making under different types of uncertainty that involve missing information: ambiguity (vague probabilities) and sample space ignorance (SSI; unknown outcomes). fMRI revealed that these two different types of uncertainty recruit distinct neural substrates: Ambiguity recruits the left insula, whereas SSI recruits the anterior cingulate cortex, bilateral inferior parietal cortex, and the lateral orbitofrontal cortex. The finding of unique...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/19602
Source: Cognitive, Affective, & Behavioral Neuroscience
DOI: 10.3758/CABN.10.3.382

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