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README.md
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# Cognitive Network
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A PyTorch implementation of a differentiable cognitive network with dynamic structure learning, memory consolidation, and neurotransmitter-modulated plasticity.
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## Features
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- 🧠 Dynamic network structure that evolves based on performance
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- 💭 Differentiable memory system with importance-based consolidation
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- 🔄 Hebbian plasticity with neurotransmitter modulation
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- 🎯 Self-organizing architecture with adaptive connections
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- 💡 Emotional context integration for learning modulation
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## Installation
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```bash
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pip install cognitive-net
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```
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Or install from source:
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```bash
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git clone https://github.com/yourusername/cognitive-net.git
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cd cognitive-net
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pip install -e .
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```
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## Quick Start
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```python
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import torch
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from cognitive_net import DynamicCognitiveNet
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# Initialize network
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net = DynamicCognitiveNet(input_size=10, output_size=2)
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# Sample data
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x = torch.randn(10)
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y = torch.randn(2)
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# Training step
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loss = net.train_step(x, y)
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print(f"Training loss: {loss:.4f}")
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```
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## Components
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### CognitiveMemory
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The memory system implements:
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- Importance-based memory storage
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- Adaptive consolidation
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- Attention-based retrieval
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### CognitiveNode
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Individual nodes feature:
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- Dynamic weight plasticity
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- Neurotransmitter modulation
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- Local memory systems
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### DynamicCognitiveNet
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The network provides:
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- Self-organizing structure
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- Performance-based connection updates
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- Emotional context integration
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- Adaptive learning mechanisms
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## Usage Examples
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### Basic Training Loop
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```python
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# Initialize network
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net = DynamicCognitiveNet(input_size=5, output_size=1)
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# Training data
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X = torch.randn(100, 5)
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y = torch.randn(100, 1)
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# Training loop
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for epoch in range(10):
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total_loss = 0
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for i in range(len(X)):
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loss = net.train_step(X[i], y[i])
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total_loss += loss
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print(f"Epoch {epoch+1}, Average Loss: {total_loss/len(X):.4f}")
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```
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### Memory Usage
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```python
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from cognitive_net import CognitiveMemory
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# Initialize memory system
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memory = CognitiveMemory(context_size=64)
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# Store new memory
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context = torch.randn(64)
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memory.add_memory(context, activation=0.8)
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# Retrieve similar contexts
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query = torch.randn(64)
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retrieved = memory.retrieve(query)
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```
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## Contributing
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Contributions are welcome! Please feel free to submit a Pull Request.
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## License
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This project is licensed under the MIT License - see the LICENSE file for details.
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## Citation
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If you use this code in your research, please cite:
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```bibtex
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@software{cognitive_net2024,
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title = {Cognitive Network: Dynamic Structure Learning with Memory},
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author = {Your Name},
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year = {2024},
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publisher = {GitHub},
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url = {https://github.com/yourusername/cognitive-net}
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}
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```
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## Acknowledgments
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- PyTorch team for the excellent deep learning framework
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- Research community for inspiration and feedback
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