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Korean Brain Neuroinformatics
Research Program
February 27, 2002
Soo-Young Lee
Brain Science Research Center
Korea Advanced Institute of Science & Technology
http://braintech.kaist.ac.kr; bsrc.kaist.ac.kr
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Brain: The Final Frontier!
Intelligence to Machine!
Freedom to Mankind!
From Biology to Hardware!
KAIST Brain Science Research Center
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Neuroinformatics
Brain-like Functional Systems
Neuromorphic Chips
Mathematical Model
Analysis Software
Neuroscience Data
Measurement Technology
KAIST Brain Science Research Center
3
Korean Approaches

Selection and Concentration
 Integration
- Database
- Neuromorphic Chips
- Brain-like Systems
 Multidisciplinary Team
- Neuroscientists
- Mathematicians
- Engineers
KAIST Brain Science Research Center
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Four Functional Modules of Brain
Pattern
Recognition
Cognition &
Inference
Vision
Inference
Selective
Attention
Feature
Extraction
Sensor
Recogn./
Tracking
Learning/
Memory/
Language
Behavior
Perception/
Planning
Sensor
Feature
Extraction
Recog./
Understand
Selective
Attention
Speech
Recognition
Olf.
Individual/
Group
Behavior
Body
Control
Fusion
Touch
Brain-like
System
Smell
Auditory
KAIST Brain Science Research Center
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Methodology
<1> Interdisciplinary Team
- From biology through modeling
to hardware
<2> Parallel-Serial Hybrid Approach
Understanding
Understanding
Understanding
Modelling
Modelling
Modelling
Modelling
Application
Application
Application
Application
Implementation
Implementation
Implementation
Target Tech
Understanding
KAIST Brain Science Research Center
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Phase 2: Neuroinformatics Program
Phase 1
Viosn & Auditory
VLSI
Cog. Sci. Modeling
Self-adapt
Phase 2
Vision
Auditory
Cog. NS
Cog/Infer.
Behavior
fMRI
Brain Eng.
Phase 3
Brain-like Systems (Artificial Brain)
KAIST Brain Science Research Center
fMRI etc.
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Artificial Auditory System
Based on human perception mechanism
Develop mathematical model and auditory chip
Develop continuous speech recognition system
Auditory model
Binaural processing
Auditory Cortex
Selective attention
Continuous speech recognition
Speech chip
95% recognition in 10dB SNR
KAIST Brain Science Research Center
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Auditory Pathway
Cochlea
Cochlear
Nucleus
Superior
Olive
Superior
Olive
Cochlear
Nucleus
Auditory
Cortex

Higher-Order
Brain
Function
(Recognition)
Auditory
Cortex
Cochlea
KAIST Brain Science Research Center
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Artificial Vision System
Natural/
Pseudo-Natural
Environment
Early vision
Retina- LGN- V1
Object vision
Parvo -V1 Temporal
Spatial vision
Magno -V1 Parietal
Active vision
Frontal/Parietal
-
Audtory System
KAIST Brain Science Research Center
Cognitive/Inference
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Cognition & Inference System

Cognition mechanism and models for
learning, memory, knowledge, and
language
 Flexible inference models (90%
confidence)
 Neuro-Agents (Artificial secretary,
information retriever, etc.)
KAIST Brain Science Research Center
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Human Behavior System





Path planning models
Self-adaptive behavior models
Sensory-motor controls
Distributed intelligence systems
Autonomous navigation systems
KAIST Brain Science Research Center
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Brain-Signal Measurements





Higher spatial-time resolution
Visualization and analysis
Korean standard brain
Multi-modal fMRI
Synaptic plasticity
KAIST Brain Science Research Center
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Summary

Interdisciplinary team approach
- Cognitive neuroscientists
- Computer scientists
- Electrical engineers
 Four functional modules
- Vision
- Auditory
- Cognition & inference
- Human behavior
 One basic research team
- Brain signal measurement and analysis
KAIST Brain Science Research Center
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