Annals of Indian Academy of Neurology
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Year : 2008  |  Volume : 11  |  Issue : 3  |  Page : 146-153

Global workspace model of consciousness and its electromagnetic correlates

1 Central Institute of Psychiatry, Ranchi, India
2 Department of Biotechnology, Delhi College of Engineering, Delhi, India
3 Tata Consultancy Services, Pune, India
4 Department of Clinical Psychology, Central Institute of Psychiatry, Ranchi, India

Correspondence Address:
Ravi Prakash
Central Institute of Psychiatry, Ranchi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-2327.42933

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The global workspace of consciousness was proposed in its elementary framework by Baars, in 1982. Since the time of inception, there have been many speculations and modifications of this theory, but the central theme has remained the same, which refers to the global availability of information in the brain. However, the present understanding about the origin of this global workspace or its mechanism of operation is still deficient. One of the less-studied candidates for this global workspace is the electromagnetic field of the brain. The present work is a brief review of the theoretical underpinnings of the Global workspace model, in terms of its theoretical framework and neuroimaging evidences. Subsequently, we turn towards another broad group of theories of consciousness, in the form of electromagnetic field theories. We then proceed to highlight some electromagnetic correlates derived from these theories for this global access phenomenon.

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