Late ERP correlates of confidence for auditory categorization of complex sounds.

Autor: Zakrzewski AC; Kansas State University, Manhattan, KS 66506, United States. Electronic address: aczakrzewski@ksu.edu., Maniscalco B; University of California, Irvine, CA 92697, United States., Wisniewski MG; Kansas State University, Manhattan, KS 66506, United States.
Jazyk: angličtina
Zdroj: Neuroscience letters [Neurosci Lett] 2023 Jun 21; Vol. 808, pp. 137294. Date of Electronic Publication: 2023 May 10.
DOI: 10.1016/j.neulet.2023.137294
Abstrakt: Recent research suggests that confidence judgments relate to the quality of early sensory representations and later modality independent processing stages. It is not known whether the nature of this finding might vary based on task and/or stimulus characteristics (e.g., detection vs. categorization). The present study investigated the neural correlates of confidence using electroencephalography (EEG) in an auditory categorization task. This allowed us to examine whether the early event-related potentials (ERPs) related to confidence in detection also apply to a more complex auditory task. Participants listened to frequency-modulated (FM) tonal stimuli going up or down in pitch. The rate of FM tones ranged from slow to fast, making the stimuli harder or easier to categorize. Tone-locked late posterior positivity (LPP) but not N1 or P2 amplitudes were larger for (correct-only) trials rated with high than low confidence. These results replicated for trials presenting stimuli at individually identified threshold levels (rate of change producing ∼71.7% correct performance). This finding suggests that, in this task, neural correlates of confidence do not vary based on difficulty level. We suggest that the LPP is a task general indication of the confidence for an upcoming judgment in a variety of paradigms.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2023 Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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