Good question. Here are some resources to begin exploring potential answers.
Goff, Philip. Science as we know it can’t explain consciousness – but a revolution is coming. November 1, 2019 5.24am EDT.
Christian de Quincey. Switched-on Consciousness: Clarifying What it Means. January 2006. Journal of Consciousness Studies 13(4):7-12.
Changeux, JP. Clarifying consciousness. Nature 428, 603–604 (2004). https://doi.org/10.1038/428603a
American Association for the Advancement of Science. Clarifying Consciousness. Science 04 Dec 1998: Vol. 282, Issue 5395, pp. 1781f. DOI: 10.1126/science.282.5395.1781f
Bringsjord, Selmer. Clarifying 'Consciousness.' Fri Sep 6 11:58:56 EDT 1996.
Solms, Mark. The Hard Problem of Consciousness and the Free Energy Principle. Department of Psychology, University of Cape Town, Cape Town, South Africa. Frontiers in Psychology, 30 January 2019.
But don't stop with this shortlist, keep on clarifying. Always be clarifying. 📚😎