By MIKE MAGEE
Stanford neuroscientist, David Eagleman, reminded us this week that “A coherent clarification of consciousness eludes trendy science.” That was his opening line within the New York Occasions guide overview of Michael Pollan’s newest effort, “A World Seems.” In it, Pollan asks innocently, “How does the mind generate a unified sense of self?”
In response to Eagleman, “Pollan will not be capable of furnish the solutions (nobody can, but), however he presents a charming exploration, one that’s extremely private and delicate.” On this, he isn’t alone. Different fields are engaged in the identical pursuit.
To start with, there are the epigeneticists. They examine “how our surroundings influences our genes by altering the chemical substances hooked up to them.” Within the arms of those scientists, genes will not be “set in stone and (absolutely) predetermined.” Of late, these investigators have been unraveling how numerous chemical substances, engaged on the floor and inside cells are continuously altering and adjusting how our genes work. Thus the title, since “epi” is Greek for “over, outdoors of, round.”
Different investigators like Professor Eddy Keming Chen within the division of Philosophy at College of California San Diego come on the downside from a unique path. She bolstered her PhD in Philosophy with a Masters in Mathematical Physics, and a graduate certificates in Cognitive Science. She teaches the PHIL 130 course on Metaphysics.
Within the UCSD school syllabus, she tees up the query, “Why examine metaphysics?” She guarantees enrollees that in the event that they join, they’ll discover a little bit of magic in exploring robust questions, like: “Do now we have free will? Is it suitable with causal determinism? What’s the place of the thoughts and of the consciousness in a bodily world?”
Within the Jesuit world that I got here from, such programs have been obligatory as a part of the core curriculum. In my very own alma mater, they not carry the identical mandate, however nonetheless stay alive and nicely.
Take into account, for instance PHL 365 – a 3 credit score course at LeMoyne School titled Philosophy of Thoughts. As soon as once more, there may be magic within the air for inquiring minds.
Here’s a description. “The primary focus of the course would be the ‘mind-body downside’: can the existence of minds and psychological states be reconciled with a totally materialistic or bodily view of the world? A second, intently related focus will likely be: can psychological states be applied on a pc?”
Lastly, if neither of those fields captures your creativeness, you possibly can comply with the lead of Dr. Marie Duhamel, a member of the Board of Administrators of the French Society of Proteomics, and analysis immunologist on the College of Lille. Her 2025 publication in Frontiers in Immunology, titled “Self or non self: finish of a dogma?” is an epic exploration of the historic foundations of immunology, and begins this fashion, “The query of what constitutes the ‘self’ and the way residing organisms keep their integrity in opposition to exterior threats has preoccupied thinkers from various fields, together with philosophy, biology and medication, for hundreds of years.”
Reviewing greater than a century of analysis that started with the beginning of Immunology as a self-discipline, Dr. Duhamel and her co-author Professor Michel Salzet, are compelled to acknowledge that prior assumptions weren’t fully incorrect however signify solely a portion of the reality. Of their phrases, “Conceptually, the complete premise that the immune system’s first job is to outline what’s self in order to not assault it’s contradicted after we contemplate microchimerism and being pregnant tolerance, circumstances through which really overseas (paternally derived) tissues persist with out triggering rejection. Equally, the truth that the human microbiome will be very important to regular operate challenges the belief that foreignness inevitably triggers aggression.”
The place then does the reality lie? In response to the authors, “The function of the immune system is to handle complicated ecological relationships by distinguishing useful or impartial overseas entities from dangerous ones. The presence of ‘innocent overseas’ parts is a mainstay within the intestine, pores and skin, and oropharynx. Furthermore, the combination of viruses into the genome, generally with evolutionary and developmental advantages, blurs the boundary between self and overseas in a elementary, genomic sense. Endogenous retroviral parts represent a good portion of human DNA, but no strong immune aggression is mounted in opposition to these deeply embedded viral sequences. This phenomenon invitations researchers to conceive of ‘self’ as together with sure classes of overseas genetic materials which have change into symbiotic or impartial over evolutionary time.”
Earlier than they end, the scientists humble themselves by permitting boundaries to blur as they transfer freely into philosophic uncharted territory. The “magic “ is in full view, as they proceed: “These ideas are in keeping with the modern philosophy of immunology, which includes ecological and developmental insights, such because the remark that commensal microbes, fetal cells within the maternal circulation, or latent viruses will not be mechanically rejected as “non-self,” however as an alternative coexist with the host beneath particular regulatory circumstances.
No matter which highway you journey, a typical vacation spot is starting to look on the horizon. The convergence of disciplines – Metaphysics, Immunology, Epigenetics – is not aggressive however slightly complimentary. The remaining query: Are we as a species prepared for this? Can we deal with the reality?
Michael Pollan clearly thinks we’re. His web site asks the reader to journey “the chopping fringe of the sector, the place scientists are entertaining extra radical (and fewer materialist) theories of consciousness. A World Seems introduces us to “plant neurobiologists” trying to find the primary flicker of consciousness in vegetation; scientists striving to engineer emotions into AI, and psychologists and novelists in search of to seize the felt expertise of our slippery stream of consciousness.”
The epigeneticists are cautiously optimistic. Of their phrases, “There’s so much we don’t know. However which means there’s a lot left to find.” However for the immunologists, with the promise of recent therapies for most cancers and getting older, it’s full velocity forward. Their last phrases, “If this implies embracing the ‘finish of a dogma,’ it additionally heralds the daybreak of a extra integrative immunological science.’ “
Mike Magee MD is a Medical Historian and common contributor to THCB. He’s the creator of CODE BLUE: Inside America’s Medical Industrial Complicated. (Grove/2020)
