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Abstract:

Confidence in a perceptual decision is a judgment about the quality of the sensory evidence. The quality of the evidence depends not only on its strength ('signal') but critically on its reliability ('noise'), but the separate contribution of these quantities to the formation of confidence judgments has not been investigated before in the context of perceptual decisions. We studied subjective confidence reports in a multi-element perceptual task where evidence strength and reliability could be manipulated independently. Our results reveal a confidence paradox: confidence is higher for stimuli of lower reliability that are associated with a lower accuracy. We show that the subjects' overconfidence in trials with unreliable evidence is caused by a reduced sensitivity to stimulus variability. Our results bridge between the investigation of miss-attributions of confidence in behavioral economics and the domain of simple perceptual decisions amenable to neuroscience research. © 2014 Elsevier Inc.

Registro:

Documento: Artículo
Título:Variance misperception explains illusions of confidence in simple perceptual decisions
Autor:Zylberberg, A.; Roelfsema, P.R.; Sigman, M.
Filiación:Laboratory of Integrative Neuroscience, Physics Department, FCEyN UBA and IFIBA, Conicet, Pabellón 1, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Department of Vision and Cognition, Netherlands Institute for Neuroscience, An Institute of the Royal Netherlands Academy of Arts and Sciences, Meibergdreef 47, 1105 BA Amsterdam, Netherlands
Institute of Biomedical Engineering, Faculty of Engineering, Buenos Aires University, 1063 Buenos Aires, Argentina
Laboratory of Applied Artificial Intelligence, Computer Science Department, FCEyN UBA, Pabellón 1, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Department of Integrative Neurophysiology, VU University Amsterdam, Netherlands
Psychiatry Department, Academic Medical Center, Amsterdam, Netherlands
Universidad Torcuato Di Tella, Almirante Juan Saenz Valiente 1010, C1428BIJ Buenos Aires, Argentina
Palabras clave:Introspection; Metacognition; Perceptual decisions; Sensory reliability; Signal-detection theory; accuracy; adult; article; behavioral economics; calibration; clinical article; consciousness; decision making; feedback system; human; illusion; neuroscience; orientation; perceptive discrimination; reliability; response time; reward; signal detection; signal noise ratio; visual stimulation; young adult; decision making; depth perception; illusion; perceptive discrimination; physiology; Adult; Decision Making; Humans; Illusions; Signal Detection, Psychological; Space Perception
Año:2014
Volumen:27
Número:1
Página de inicio:246
Página de fin:253
DOI: http://dx.doi.org/10.1016/j.concog.2014.05.012
Título revista:Consciousness and Cognition
Título revista abreviado:Conscious. Cogn.
ISSN:10538100
CODEN:COCOF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10538100_v27_n1_p246_Zylberberg

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Citas:

---------- APA ----------
Zylberberg, A., Roelfsema, P.R. & Sigman, M. (2014) . Variance misperception explains illusions of confidence in simple perceptual decisions. Consciousness and Cognition, 27(1), 246-253.
http://dx.doi.org/10.1016/j.concog.2014.05.012
---------- CHICAGO ----------
Zylberberg, A., Roelfsema, P.R., Sigman, M. "Variance misperception explains illusions of confidence in simple perceptual decisions" . Consciousness and Cognition 27, no. 1 (2014) : 246-253.
http://dx.doi.org/10.1016/j.concog.2014.05.012
---------- MLA ----------
Zylberberg, A., Roelfsema, P.R., Sigman, M. "Variance misperception explains illusions of confidence in simple perceptual decisions" . Consciousness and Cognition, vol. 27, no. 1, 2014, pp. 246-253.
http://dx.doi.org/10.1016/j.concog.2014.05.012
---------- VANCOUVER ----------
Zylberberg, A., Roelfsema, P.R., Sigman, M. Variance misperception explains illusions of confidence in simple perceptual decisions. Conscious. Cogn. 2014;27(1):246-253.
http://dx.doi.org/10.1016/j.concog.2014.05.012