GNW theoretical framework and the “adversarial testing of global neuronal workspace and integrated information theories of consciousness”
A recent publication in Nature (Cogitate et al. 2025) aimed at enriching the progressive build-up of a valid theory of conscious processing using valuable multicentric experimentation and massive data-sharing open to new analyses (Bryant and Whyte 2025). It is important to stress that several of the analyses reported in this Nature article validate key predictions of the Global Neuronal Workspace Theory (GNWT) including (i) transient ignition following stimulus onset in the predicted time-window (200-800 ms), (ii) irrespective of stimulus duration and (iii) of stimulus relevance, as well as (iv) decoding of “conscious content in visual, ventrotemporal and inferior frontal cortex, with sustained responses […] and content specific synchronization between frontal and early visual areas.” In other words, this article confirmed that stimuli that are clearly consciously visible elicit a brain-wide activation and synchronization between sensory areas and prefrontal cortex, even in the absence of task relevance, validating a non-trivial prediction of the GNWT. Also, given that this study only used clearly visible stimuli, it could not test the most central predictions of the GNWT, which tackle the critical contrast between conscious and non-conscious processing. Hence, several conclusions drawn by the authors about GNWT predictions need to be reconsidered.
Authors
- Lionel Naccache (ORCID: https://orcid.org/0000-0002-2874-1009)
- X.-J. Wang (ORCID: https://orcid.org/0000-0001-5400-5243)
- Claire Sergent (ORCID: https://orcid.org/0000-0001-6011-5780)
- Michele Farisco (ORCID: https://orcid.org/0000-0002-3298-7829)
- Jean‐Pierre Changeux
- Stanislas Dehaene
Institutions
- Uppsala University (SE)
- Centre National de la Recherche Scientifique (FR)
- Inserm (FR)
- Institut Pasteur (FR)
- Collège de France (FR)
- Université Paris Cité (FR)
- Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
- Université Paris-Saclay (FR)
- Sorbonne Université (FR)
- Sorbonne Paris Cité (FR)
- Assistance Publique – Hôpitaux de Paris (FR)
- Biogem (IT)
- CEA Paris-Saclay (FR)
- Cognitive Neuroimaging Lab (FR)
- Institut du Cerveau (FR)
- Hôpital Charles-Foix (FR)
- New York University (US)
- École Nationale Supérieure des Mines de Paris (FR)
Publication Details
- Journal
- Neuroscience of Consciousness
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1093/nc/niaf037
- Citations
- 4
- Primary Topic
- Neural dynamics and brain function
- Type
- article
- Field-Weighted Citation Impact
- 5.72