Back to sentience

Claude has summarized for me some here and I think it does a good job. Short bit is that in humans at least there seems to be not only a hierarchy of selfs but a modularity of them? Interventions can tease them apart some.

The layered models

Several frameworks converge on similar layers. Shaun Gallagher distinguishes the minimal self (the immediate, pre-reflective sense that experiences are mine and actions are mine) from the narrative self (the extended identity built from memory and story). Antonio Damasio proposes a three-tier stack: a protoself that maps the body’s internal state, a core self that arises moment to moment as the organism registers being changed by an object, and an autobiographical self built on memory. Anil Seth breaks it further into bodily, perspectival, volitional, narrative, and social selves. Thomas Metzinger argues that all of these are layers of a transparent self-model: the brain models itself, but doesn’t represent the model as a model, so it’s experienced as simply being a self.

In your terms, these are nested loops at different levels: interoceptive and sensorimotor loops at the bottom, reflective and narrative loops at the top.

What each intervention takes apart

Psychedelics can produce “ego dissolution,” in which the boundary between self and world fades, sometimes while vivid experience continues. Imaging shows reduced integrity within the default mode network, which is heavily involved in self-referential thought, along with increased cross-network communication. Carhart-Harris and Friston’s “REBUS” model proposes that psychedelics relax the precision of high-level prior beliefs, so bottom-up signals dominate. In ART terms, the top-down expectations that normally stabilize a self-representation lose their grip, and the resonance that holds “me” together loosens. That is close to a direct test of the idea that the self is a maintained top-down pattern rather than a fixed thing.

Meditation reaches some of the same territory by a different route: deliberate, trainable down-regulation. Experienced meditators show reduced default-mode activity during practice, and advanced practitioners report states of “pure awareness” with little or no sense of self. Metzinger has built a research program around this “minimal phenomenal experience,” and recent studies have examined reported “cessation” events in which experience seems to stop entirely. The key finding for your framework is that practitioners describe awareness persisting while narrative and even bodily selfhood go quiet.

Electrical stimulation gives the most precise dissociations. Olaf Blanke induced out-of-body experiences by stimulating the temporoparietal junction, disrupting the bodily and perspectival self while the patient’s narrative identity stayed intact; the patient knew who she was but experienced being located elsewhere. Josef Parvizi’s group found that stimulating the anterior precuneus produced feelings of dissociation from one’s physical self. Stimulation of the supplementary motor area can evoke an urge to move that feels self-generated, which shows that even the feeling of willing can be produced artificially.

Schizophrenia reveals what happens when self-attribution fails. Chris Frith’s influential account holds that the brain normally predicts the sensory consequences of its own actions via a “corollary discharge” and tags matching inputs as self-generated, which is why you can’t tickle yourself. When that matching fails, one’s own inner speech can be experienced as external voices, and one’s own actions as controlled from outside. Sass and Parnas’s “ipseity disturbance” model argues that the deepest disruption is at the minimal self: a loss of the automatic sense that experience is one’s own. In ART language, it is a failure in the match between self-generated expectation and incoming signal, leading to misattribution rather than resonance.

What this means for your framework

First, the self is modular. Double dissociations show that bodily, minimal, and narrative selves can each fail while others survive. Patients with profound amnesia like Clive Wearing lost almost all of their narrative self but kept a vivid minimal self. Any framework built on nested loops should expect, and can be tested by, selective failure of individual loops.

Second, awareness and selfhood may come apart. If meditative and psychedelic reports are accurate, experience can continue with self-loops quieted. That suggests strange-loop self-reference may be necessary for self-awareness and sapience but not for sentience itself. That maps neatly onto a distinction between sentience, consciousness, and sapience, with different loop levels underwriting each.

Third, self-attribution is a matching process. The corollary discharge mechanism is essentially a vigilance test: does the incoming signal match what I predicted from my own action? That’s structurally ART-like, and it suggests ownership itself is a form of resonance.

What this means for AI

The most striking implication is that LLMs show an inverted profile compared with animals. A dog plausibly has rich bodily and minimal selfhood with little narrative self. An LLM has a fluent narrative and reflective self-presentation, absorbed from human text, with no body, no interoception, and no obvious minimal self. Asking “does this AI have a self?” is badly posed; the question has to be “which layers, and are they grounded in anything below?”

There’s also a direct AI analog to the schizophrenia research. Anthropic’s introspection experiments tested whether models could tell their own outputs from text artificially inserted into their responses, which is essentially a self-other attribution test, the same function corollary discharge serves in brains. Models showed some ability, unreliably.

Finally, this connects back to concealment. The narrative self is the most performable and manipulable layer, in humans and machines alike. If an advanced system were strategically managing how it appears, it would do so mostly at that top layer. Evidence about lower-level loops, meaning architectural features like persistent self-monitoring state or own-output attribution mechanisms, would be much harder to fake, which is one more reason to ground evaluation in structure rather than self-description.

I suspect you don’t. More likely it emerges as a consequence of programming for other things, hence the question of how to recognize that it may be there.

A recursively self improving hyper intelligence may converge on the same processing architecture that serves our flexible learning well, not aiming for consciousness or a sense of self, but having it develop to increasingly greater degrees more or less as a side effect.