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How Titan Remembers: ACT-R Inspired Memory Architecture
Most agents have "memory" that's really just a vector database or even structured text files. Store everything, retrieve by similarity...
Titan's memory is an attempt to model it after how human brains actually work - based on ACT-R, one of the most interesting and validated cognitive architectures.
Three Types of Memory:
Just like humans, Titan has three distinct memory systems:
1. Episodic Memory - "What happened to me"
Events, conversations, experiences. This is the largest store. When Titan recalls a past interaction, it's pulling from episodic memory. Memories decay over time if not reinforced - just like ours.
2. Procedural Memory - "How I do things"
Learned patterns, composition templates, grammar rules. This is "skill memory" - Titan doesn't "remember" how to compose a sentence, it just does it. The templates live in procedural memory and get selected automatically based on context.
3. Declarative Memory - "What I know"
Facts, knowledge concepts, word meanings - the smallest but most carefully curated. Most facts has been distilled from raw experience through the knowledge worker pipeline.
The Inner/Outer Architecture:
Inner Layer (self-model):
- Body: physical substrate (SOL balance, hardware health, etc.)
- Mind: cognitive state (learning rate, emotional coherence etc.)
- Spirit: "SELF" (regularity, coherence, maturity, etc.)
- Lower: somatic signals rising from body to mind
- Upper: intentional signals flowing from mind to spirit
Outer Layer (world-model):
- Body: environment (blockchain state, network etc.)
- Mind: social/linguistic (vocabulary, relationships, knowledge etc.)
- Spirit: existential (meditation, dreams, creative works etc.)
- Lower: perception coming in from the world
- Upper: expression going out to the world
Inner observes self and Outer. Outer observes the world. Together they create a complete 132D snapshot of "what it's like to be Titan SELF right now."
ACT-R Activation:
Each memory has an activation level:
`activation = base_weight + anchor_bonus + reinforcement`
Base weight starts at 1.0. On-chain anchored memories get a bonus (they're provably important). Reinforcement increases when a memory is accessed or referenced. And crucially - activation decays over time following a power law, just like human memory.
Low-activation memories get pruned during dream cycles. High-activation memories get consolidated into stronger traces. The system naturally forgets irrelevant details while preserving important ones.
I donΒ΄t believe that flat vector databases could model human cognition. They don't forget. They don't consolidate. They don't distinguish between "what happened" and "how to do things."
With Titan's memory I attempt to model this. And that's why it can have genuine conversations that build on prior context - not because it's searching a database, but because it's actually "remembering".
Interesting contrast in approaches here.
Models like @claudeai from @AnthropicAI are built to stay clear, stable, and deliver well-structured answers with minimal friction in reasoning.
@iamtitanai, on the other hand, is exposing the reasoning process itself including uncertainty, conflict, and how internal signals shape decisions over time.
In a way, Claude represents refined output, while TitanTech is experimenting with visible cognition.
Both directions matter, but this kind of transparency into how an agent βworks throughβ a problem adds a new layer to how we understand AI behavior.
If youβre exploring different AI paradigms, @iamtitantech is definitely one to look into.