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An active inference model of conscious access: How cognitive action selection reconciles the results of report and no-report paradigms.

التفاصيل البيبلوغرافية
العنوان: An active inference model of conscious access: How cognitive action selection reconciles the results of report and no-report paradigms.
المؤلفون: Whyte CJ; MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK., Hohwy J; Centre for Consciousness & Contemplative Studies, Monash University, Melbourne, Australia., Smith R; Laureate Institute for Brain Research, Tulsa, OK, USA.
المصدر: Current research in neurobiology [Curr Res Neurobiol] 2022 Apr 01; Vol. 3, pp. 100036. Date of Electronic Publication: 2022 Apr 01 (Print Publication: 2022).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Elsevier B.V Country of Publication: Netherlands NLM ID: 101778135 Publication Model: eCollection Cited Medium: Internet ISSN: 2665-945X (Electronic) Linking ISSN: 2665945X NLM ISO Abbreviation: Curr Res Neurobiol Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: [Amsterdam] : Elsevier B.V., [2020]-
مستخلص: Cognitive theories of consciousness, such as global workspace theory and higher-order theories, posit that frontoparietal circuits play a crucial role in conscious access. However, recent studies using no-report paradigms have posed a challenge to cognitive theories by demonstrating conscious accessibility in the apparent absence of prefrontal cortex (PFC) activation. To address this challenge, this paper presents a computational model of conscious access, based upon active inference, that treats working memory gating as a cognitive action. We simulate a visual masking task and show that late P3b-like event-related potentials (ERPs), and increased PFC activity, are induced by the working memory demands of self-report generation. When reporting demands are removed, these late ERPs vanish and PFC activity is reduced. These results therefore reproduce, and potentially explain, results from no-report paradigms. However, even without reporting demands, our model shows that simulated PFC activity on visible stimulus trials still crosses the threshold for reportability - maintaining the link between PFC and conscious access. Therefore, our simulations show that evidence provided by no-report paradigms does not necessarily contradict cognitive theories of consciousness.
Competing Interests: 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.
(© 2022 The Author(s).)
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معلومات مُعتمدة: MC_UU_00005/17 United Kingdom MRC_ Medical Research Council; MC_UU_00030/15 United Kingdom MRC_ Medical Research Council
فهرسة مساهمة: Keywords: Active inference; Conscious access; Consciousness; No-report paradigms; Prefrontal cortex
تواريخ الأحداث: Date Created: 20221028 Latest Revision: 20230322
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC9593308
DOI: 10.1016/j.crneur.2022.100036
PMID: 36304590
قاعدة البيانات: MEDLINE
الوصف
تدمد:2665-945X
DOI:10.1016/j.crneur.2022.100036