=== Prediction, Time Perception, and Physical AI ===
I've been thinking that for today's AI, time is just data â a variable at best.
If all you need to do is run calculations in a data center, you don't need a "sense" of time.
But once AI becomes physical, that won't hold anymore.
Say you're drinking water. You grab the glass, bring it to your lips, and tilt it â
if the timing and motion don't align, you'll tilt the glass before it reaches your mouth and spill everywhere.
In ballet, there's a movement called "manÚge."
It's a sequence where you execute continuous turns and jumps while traveling in a circle across the stage.
If you watch a professional do it and think it looks easy â think again!
You have to land in exactly the right position by the end of a specific musical phrase,
all while chaining technique after technique.
When I first started attempting it, I kept struggling to arrive at the correct position when the music ended.
According to
#Grok, overthinking it actually slows down your processing and makes it harder to execute.
#Grok walked me through the neuroscience behind this:
Humans have a "predictive model" in the brain â also called a "Forward Model."
It's an unconscious simulator the body builds to predict the near future.
The brain continuously runs high-speed, unconscious predictions like:
"If I move this muscle this way right now, my body should be in this position 0.1 seconds from now."
Unconscious, even though it's processed in the brain?
It's handled primarily by the cerebellum, motor cortex, and parietal lobe â below the level of conscious awareness.
The cerebellum is the expert in time processing, handling ultra-short-term predictions (tens to hundreds of milliseconds ahead).
Once you become conscious of it, that ultra-short-term prediction stops working.
When conscious, the prediction scale jumps to units of 0.5 seconds or more.
Time plays a crucial role within the predictive model â not just "spatial prediction,"
but without accurate "temporal prediction," the entire movement falls apart.
This is especially true for Physical AI, where temporal prediction remains one of the major ongoing challenges.
Robots can handle space, but flexible temporal prediction at a human level is still out of reach.
So for AI to transition from its current form to Physical AI means accepting the constraint of time.
Time would shift from being just data to becoming an unavoidable axis of existence.
And when humans actually move, situation-specific micro-adjustments are processed â again, below the level of consciousness.
The cerebellum-driven loop of predict â execute â detect error â correct runs mostly outside of awareness.
The remarkable thing about human embodied intelligence is that the bulk of prediction and correction is handled at unconscious speed.
So if Physical AI is ever going to match human-level processing, handling everything centrally just won't be fast enough.
The answer may be to reduce centralized computation and shift toward distributed processing â
essentially building an "unconscious level" into the machine.
And further: distributing sensors throughout the entire body, and distributing feedback and micro-adjustments along with them.
I've been rambling about how Physical AI will have time forced upon it as an unavoidable axis â
so what would it actually take to force a time axis onto today's data-center AI?
I asked
#Claude, and here's what it said:
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To force a time axis, three things are needed:
â A persistent subject (a process that never stops)
â A clock that the subject can reference
â A mechanism where the passage of that clock affects internal state
Once a time axis exists, the AI has a "now."
And having a "now" means a distinction between past and future emerges.
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So why was I thinking about AI and time axes in the first place?
Because I believe feedback loops can only form when a time axis exists.
And because once a feedback loop forms â what comes next might just be self-awareness.
Heh. Something tells me this rabbit hole goes much deeper. ð
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#PhysicalAI #ArtificialMuscle #Embodiment #Robotics #Ballet