Tagged: thomas metzinger

TWENTY SEVENTEEN: IN REVIEW


Preface.  Various factors this year have necessitated a leaner Annual Review.  There follows excerpts from books I have read this year that have influenced my philosophical enquiry, a digest of my favourite songs that have come out in twenty seventeen, and the sections in italics are musings cribbed directly from my notebook for the year, here and there slightly edited, elsewhere slightly embellished.  Caveat:  Do not be drawn in by the dozen sections.  I employed neither linear chronology nor hierarchy in the construction of this review.  Rather, I attempted a spontaneous and holistic approach to writing and compiling.

Adam John Miller, 20th December 2017.


 

Like all genuine questions, the question about identity will never die. Such questions do not have answers, in the sense of a single definitive statement that eliminates the need to ask the question again. Yet that does not mean that talking about such questions is an endless and meaningless game, merely going back and forth over the same positions, more cleverly expressed. Instead, at crucial moments in this long conversation, something emerges that reveals a new truth, perhaps implicit in what has gone before but only now expressed. Because of that insight, everything appears in a new light. Such questions and conversations are living things; they are fascinating because, at any moment, something so compelling may emerge that nothing will be the same again.

Peter Pesic, Seeing Double: Shared Identities in Physics, Philosophy, and Literature

 

Vagabon, The Embers

 


I saw it happen as it was happening to me.  Non-participation an idle fantasy, ultimately impossible.  The bottomless depths and unfathomable heights are signposts, as natural as night and day.  Content provision.  Flicking through the dream diary I catch myself and wince at the opulent naivety: Please wake up now, it says, stopping short.  Perplexed, unsubstantiated.  An elaboration of protocol and rule.  Olive branches, javelins.  The metaphors of mind are the world it perceives.  Downsize your expectations.  An open invitation to the vinegar tasting goes unanswered.  This nearly didn’t happen at all, but the field is more inviting than the stands whilst we wait for the whistle.  Keep it succinct.


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THE EGO TUNNEL

We are Ego Machines, natural information-processing systems that arose in the process of biological evolution on this planet. The Ego is a tool—one that evolved for controlling and predicting your behavior and understanding the behavior of others. We each live our conscious life in our own Ego Tunnel, lacking direct contact with outside reality but possessing an inward, first-person perspective. We each have conscious self-models—integrated images of ourselves as a whole, which are firmly anchored in background emotions and physical sensations. Therefore, the world simulation constantly being created by our brains is built around a center. But we are unable to experience it as such, or our selfmodels as models. The Ego Tunnel gives you the robust feeling of being in direct contact with the outside world by simultaneously generating an ongoing “out-of-brain experience” and a sense of immediate contact with your “self.”

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MIRROR NEURONS

From a philosophical perspective, the discovery of mirror neurons is exciting because it gave us an idea of how motor primitives could have been used as semantic primitives: that is, how meaning could be communicated between agents. Thanks to our mirror neurons, we can consciously experience another human being’s movements as meaningful.Perhaps the evolutionary precursor of language was not animal calls but gestural communication. The transmission of meaning may initially have grown out of the unconscious bodily self-model and out of motor agency, based, in our primate ancestors, on elementary gesturing. Sounds may only later have been associated with gestures, perhaps with facial gestures—such as scowling, wincing, or grinning—that already carried meaning. Still today, the silent observation of another human being grasping an object is immediately understood, because, without symbols or thought in between, it evokes the same motor representation in the parieto-frontal mirror system of our own brain. As Professor Rizzolatti and Dr. Maddalena Fabbri Destro from the Department of Neuroscience at the University of Parma put it: “[T]he mirror mechanism solved, at an initial stage of language evolution, two fundamental communication problems: parity and direct comprehension. Thanks to the mirror neurons, what counted for the sender of the message also counted for the receiver. No arbitrary symbols were required. The comprehension was inherent in the neural organization of the two individuals.”

Such ideas give a new and rich meaning not only to the concepts of “grasping” and “mentally grasping the intention of another human being,” but, more important, also to the concept of grasping a concept—the essence of human thought itself. It may have to do with simulating hand movements in your mind but in a much more abstract manner. Humankind has apparently known this for centuries, intuitively: “Concept” comes from the Latin conceptum, meaning “a thing conceived,” which, like our modern “to conceive of something,” is rooted in the Latin verb concipere, “to take in and hold.” As early as 1340, a second meaning of the term had appeared: “taking into your mind.” Surprisingly, there is a representation of the human hand in Broca’s area, a section of the human brain involved in language processing, speech or sign production, and comprehension. A number of studies have shown that hand/arm gestures and movements of the mouth are linked through a common neural substrate. For example, grasping movements influence pronunciation— and not only when they are executed but also when they are observed. It has also been demonstrated that hand gestures and mouth gestures are directly linked in humans, and the oro-laryngeal movement patterns we create in order to produce speech are a part of this link.

Broca’s area is also a marker for the development of language in human evolution, so it is intriguing to see that it also contains a motor representation of hand movements; here may be a part of the bridge that led from the “body semantics” of gestures and the bodily self-model to linguistic semantics, associated with sounds, speech production, and abstract meaning expressed in our cognitive self-model, the thinking self. Broca’s area is present in fossils of Homo habilis, whereas the presumed precursors of these early hominids lacked it. Thus the mirror mechanism is conceivably the basic mechanism from which language evolved. By providing motor copies of observed actions, it allowed us to extract the action goals from the minds of other human beings—and later to send abstract meaning from one Ego Tunnel to the next.

The mirror-neuron story is attractive not only because it bridges neuroscience and the humanities but also because it illuminates a host of simpler social phenomena. Have you ever observed how infectious a yawn is? Have you ever caught yourself starting to laugh out loud with others, even though you didn’t really understand the joke? The mirror-neuron story gives us an idea of how groups of animals—fish schools, flocks of birds—can coordinate their behavior with great speed and accuracy; they are linked through something one might call a low-level resonance mechanism. Mirror neurons can help us understand why parents spontaneously open their mouths while feeding their babies, what happens during a mass panic, and why it is sometimes hard to break away from the herd and be a hero. Neuroscience contributes to the image of humankind: We are all connected in an intersubjective space of meaning—what Vittorio Gallese calls a “shared manifold.”

Thomas Metzinger, The Ego Tunnel: The Science of The Mind and The Myth of The Self.