2007
DOI: 10.1038/nn1840
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Post-decision wagering objectively measures awareness

Abstract: The lack of an accepted measure of awareness has made claims that accurate decisions can be made without awareness controversial. Here we introduce a new objective measure of awareness, post-decision wagering. We show that participants fail to maximize cash earnings by wagering high following correct decisions in blindsight, the Iowa gambling task and an artificial grammar task. This demonstrates, without the uncertainties associated with the conventional subjective measures of awareness (verbal reports and co… Show more

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Cited by 402 publications
(422 citation statements)
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“…This definition is implemented in measures of confidence or betting tasks that assess the degree to which consumers trust their knowledge (Persaud, McLeod, and Cowey 2007). The drawback of this definition is that metacognitive acuity may be fuelled by both explicit knowledge and intuitive feelings, of which consumers might be aware or unaware, and that consumers differ in their tendency to rely on these signals (Epstein et al 1996).…”
Section: R2: Do Not Confuse Unconscious Influences With Unconscious Pmentioning
confidence: 99%
“…This definition is implemented in measures of confidence or betting tasks that assess the degree to which consumers trust their knowledge (Persaud, McLeod, and Cowey 2007). The drawback of this definition is that metacognitive acuity may be fuelled by both explicit knowledge and intuitive feelings, of which consumers might be aware or unaware, and that consumers differ in their tendency to rely on these signals (Epstein et al 1996).…”
Section: R2: Do Not Confuse Unconscious Influences With Unconscious Pmentioning
confidence: 99%
“…These "metadecisions" are mediated by confidence judgments, the degree to which decision makers consider that their choices are likely to be correct. Confidence judgments can be severely distorted: People may lack confidence when responding correctly and reciprocally, be very confident of incorrect responses (1)(2)(3)(4)(5)(6). In classic perceptual tasks followed by a confidence report, one can distinguish between (i) the ability to correctly discriminate between stimulus alternatives, referred to as type-I performance, and (ii) the ability of confidence judgments to discriminate between correct and incorrect responses, referred to as type-II performance (2,7).…”
mentioning
confidence: 99%
“…Metacognition was assessed by asking participants to wager on their own decisions (i.e., post-decision wagering; see Persaud et al 2007). Our main finding was that, unlike non-problematic gamblers, problem gamblers tend to wager high while performing poorly on the IGT.…”
mentioning
confidence: 99%