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  1. Oct 2023
    1. Figure 1.

      The NCC and related processes represented in a diagram of the brain. Content-specific NCC are represented in red, full NCC are represented in orange (as a union of all content-specific NCC), neuronal activating systems and global enabling factors modulating full NCC activity are represented in green, processing loops modulating some content-specific NCC are represented in beige, sensory pathways modulating some content-specific NCC are represented in pink, and outputs from NCC are represented in blue.

    2. For content-specific NCC, experimentscan be carefully designed to systematically investigate possibledissociations between the experience of particular conscious con-tents and the engagement of various cognitive processes, such asattention, decision-making, and reporting (Aru et al., 2012; Kochand Tsuchiya, 2012; Tsuchiya et al., 2015; Tsuchiya and Koch,2016).
    3. Several complementary methods can be used to distill the trueNCC. For the full NCC, within-state paradigms can be used toavoid confounds due to changes in behavioral state and taskperformance as well as to dissociate unconsciousness from unre-sponsiveness
    4. .

      Recent research has placed emphasis on distinguishing "background conditions" that indirectly generate consciousness from neural processes that directly generate consciousness (or distinguishing consciousness itself from its precursors and consequences). Some neural processes, such as processing loops involved in executive functions, activity along sensory pathways, and activity along motor pathways may tangentially affect the full NCC via modulation of the content specific NCC.

    5. The full NCC can be definedas the union of all content-specific NCC (Koch et al., 2016a).
    6. scious percept (Crick and Koch, 1990). Content-specific NCCare the neural mechanisms specifying particular phenomenalcontents within consciousness, such as colors, faces, places, orthoughts.
    7. The neural correlates of consciousness (NCC) are defined as theminimal neural mechanisms jointly sufficient for any one con-