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Atypical spatial frequency dependence of visual metacognition among schizophrenia patientsNeuroimage : Clinical 27 102296. 2020.
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90A signal detection theoretic approach for estimating metacognitive sensitivity from confidence ratingsConsciousness and Cognition 21 (1): 422-430. 2012.How should we measure metacognitive sensitivity, i.e. the efficacy with which observers’ confidence ratings discriminate between their own correct and incorrect stimulus classifications? We argue that currently available methods are inadequate because they are influenced by factors such as response bias and type 1 sensitivity . Extending the signal detection theory approach of Galvin, Podd, Drga, and Whitmore , we propose a method of measuring type 2 sensitivity that is free from these confounds…Read more
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655The Neural Substrates of Conscious Perception without Performance ConfoundsIn Felipe De Brigard & Walter Sinnott-Armstrong (eds.), Anthology of Neuroscience and Philosophy, . forthcoming.To find the neural substrates of consciousness, researchers compare subjects’ neural activity when they are aware of stimuli against neural activity when they are not aware. Ideally, to guarantee that the neural substrates of consciousness—and nothing but the neural substrates of consciousness—are isolated, the only difference between these two contrast conditions should be conscious awareness. Nevertheless, in practice, it is quite challenging to eliminate confounds and irrelevant differences b…Read more
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23On a ‘failed’ attempt to manipulate visual metacognition with transcranial magnetic stimulation to prefrontal cortexConsciousness and Cognition 62 34-41. 2018.
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National Institutes of HealthPost-doctoral fellow
Bethesda, Maryland, United States of America