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INSTITUTE OF COMPUTING
TECHNOLOGY
Plate-forme Intelligence Artificielle
PFIA2018 Nancy, France
Brain Machine Integration
Zhongzhi [email protected]
Institute of Computing Technology
Chinese Academy of Sciences
http://www.intsci.ac.cn/en/shizz
2018/7/4 Zhongzhi Shi: Brain Machine Integration 1
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Contents Outline
Introduction
Environment Awareness
Joint Intention Based Collaboration
Motivation Driven Reasoning
Conclusions and Future Works
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Intelligence Science
•Brain science explores the essence of
brain, research on the principle and model
of natural intelligence in molecular, cell
and behavior level.
•Cognitive science studies human mental
activity, such as perception, learning,
memory, thinking, consciousness etc.
• Artificial intelligence attempts
simulation, extension and expansion of
human intelligence using artificial
methodology and technology
BrainScience
HardwareMolecular
CognitiveScience
SoftwareCognition
ArtificialIntelligence
SimulationBehavior
Intelligence science is an interdisciplinary subject on basic theory
and technology of intelligence, mainly including brain science,
cognitive science, artificial intelligence and others.
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Human-Level AI
The long-term goal of Artificial
Intelligence is human-level
Artificial Intelligence.
Cite from: John McCarthy. The Future of
AI—A Manifesto. AI Magazine Volume 26
Number 4, 2005.
Intelligence Science Is The Road To
Human-Level Artificial Intelligence
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Big Issues
Signaling in the Nervous System
• Synaptic Plasticity
• Perceptual Representation
• Learning Emergence
• Coding and Retrieval of Memory
• Linguistic Cognition
• Formalizing of Commonsense knowledge and Reasoning
• Nature of Consciousness
• Mind model
• Architecture of Brain-like Computer
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Intelligence Science Website
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Series on Intelligence Science
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Mind Computation
1. Introduction
2. Mind Model CAM
3. Memory
4. Consciousness
5. Visual Awareness
6. Motor Control
7. Linguistic Cognition
8. Learning
9. Brain-like Computing
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International Conference on
Intelligence Science
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The First International Conference on Intelligence
Science (ICIS2016)
ICIS2016, October 31 - November 1, Cheng Du, China
The basic theory of intelligence science is urgent need to
construct. The goals of the conference is to carry out the
theory of collective exploration, put up the discipline
kernel of intelligence science.
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International Conference on
Intelligence Science
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IFIP AICT 510
Zhongzhi Shi
Ben Goertzel
Jiali Feng
(Eds.)
Intelligence
Science ⅠThe 2nd International Conference on Intelligence Science ICIS2017
Shanghai, China, October 25-28, 2017
Proceedings
Springer
The Second
International
Conference on
Intelligence Science
ICIS2017
October 25-28, 2017,
Shanghai, China
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International Conference on
Intelligence Science
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http://www.intsci.ac.cn/icis2018/
The Third International Conference on Intelligence Science
(ICIS2018) will be held in Beijing, China, on November 2-5,
2018, focusing on Intelligence Science, Information Science. It
is sponsored by Chinese Association for Artificial Intelligence
(CAAI), China Chapter of International Society for Information
Studies; Organizer is Peking University; and Co-supported by
Beijing Association for Science and Technology (BAST),
Beijing Association for Artificial Intelligence (BAAI).
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Brain Machine Interface
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鼠
猴
1999 Nat
Neurosci2000
Nature
2004
Science
2011
Nature2008 Nat
Neurosci/
Nature
2006
Nature
2002
nature
2012
Nature2002
Science
人
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Brain Machine Interface
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Interface
InteractionIntegration
Brain Machine I3
Encode
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Decode
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Musk Neuralink
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On March 28, 2017, SpaceX
and Tesla CEO Elon Musk is
backing a brain-computer
interface venture called
Neuralink Corp , a company
devoted to developing neural
implants. It is a closer merger
of biological intelligence and
digital intelligence
image credit | Bloomberg
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Brain Implants
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On June 1, 2018, Microsoft
CEO Satya Nadella revealed
the news at the eighth "Ability"
conference in Microsoft,
researchers are working on
whether brain implants can
enhance human intelligence to
increase the help of people
with disabilities
image credit | Bloomberg
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Chinese 973 Program
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973 Program (The National Basic Research Program) is
China's on-going national keystone basic research program
Approved by the Chinese government in June 1997 and is
organized and implemented by the Ministry of and is
organized and implemented by the Ministry of Science and
Technology.
To meet the nation's major strategic needs.
To create an excellent scientific research environment and
to scale the peak of the world's science
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Chinese 973 Program
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973 Program emphases:
-Agriculture
-Energy
-Information
-Resource and Environment
-Population and Health
-Materials
-Synthesis and Frontier Science
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Computing Theory & Method for Perception &
Cognition of Brain Machine Integration
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Scientific
issue1
Scientific
issue2
Scientific
issue3
3. Mutual adaptation and motor functional reconstruction
4. Experimental
platforms and
Application
verification
2. Cognitive computing for brain-machine collaboration
1. Brain information representation, encode and decode
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Contents Outline
Introduction
Environment Awareness
Joint Intention Based Collaboration
Motivation Driven Reasoning
Conclusions and Future Works
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Environment Awareness
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Cyborg intelligent systems require bidirectional
information perception between rat brain and computer.
Awareness is the state or ability to perceive, to feel events,
objects or sensory patterns, and cognitive reaction to a
condition or event. Awareness has four basic
characteristics:
Awareness is knowledge about the state of a particular
environment.
Environments change over time, so awareness must be
kept up to date.
Agents maintain their awareness by interacting with the
environment.
Awareness establishes usually an event.
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Visual Imagery Processing
Framework
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Cite from:S. M. Kosslyn. MENTAL IMAGES AND THE BRAIN. COGNITIVE
NEUROPSYCHOLOGY, 2005, 22 (3/4), 333–347
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Environment Awareness
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The brain machine collaborative awareness model is
defined as 2-tuples: {Element, Relation}, where Element
of awareness is described as follows:
a) Who: describes the existence of agent and identity the
role, answer question who is participating?
b) What: shows agent’s actions and abilities, answer
question what are they doing? And what can they do?
Also can show intentions to answer question what are
they going to do?
c) Where: indicates the location of agents, answer
question where are they?
d) When: shows the time point of agent behavior, answer
question when can action execute?
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Basic Relationships
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Task relationships define task decomposition and
composition relationships. Task involves activities with
a clear and unique role attribute
Role relationships describe the role relationship of
agents in the multi-agent activities.
Operation relationships describe the operation set of
agent.
Activity relationships describe activity of the role at a
time.
Cooperation relationships describe the interactions
between agents.
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CNN Model
Convolutional Neural Networks (CNN)
Biology visual theory
Multi-level hierarchy feature representation
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Output
Input
C1 feature mapsS1 feature maps
C2 feature maps
S2 feature maps
Subsampling ConvolutionsConvolutionsConvolutions SubsamplingFull
Connection
Feature filtering and non-linearity mapping
Pooling
• Weaknesses Weak capability to overcome some noise
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Deep Model B
Generative Stochastic Networks (GSN)
Probability model
Without explicitly specifying a probabilistic graphical model
Learning deep generative model through back-propagation
Stronger capability to overcome noise
Weaknesses Weak capability to extract the multi-level hierarchies of
invariant features
26
Bengio Y, Éric T, Alain G, et al. Deep Generative Stochastic Networks Trainable
by Backprop[J]. Computer Science, 2013, 2:226–234.
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CGSM Model
Convolutional Generative Stochastic Model(CGSM) Multi-level hierarchy feature representation
Stronger capability to overcome noise
Input
Conv
Pool
Conv
Pool
Convh3
h2
h1
xx
w1
w2
w3
w1'
w2'
w3' w3 w3'
w2 w2' w2
w1 w1' w1 w1'
……
(a) Framework of CGSM (b) Computational graph of CGSM
supervise supervise supervise
1x x2 x3
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CGSM Model
Convolutional Generative Stochastic Model(CGSM)
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Output 𝑦𝑖 in convolutional layer for input feature map
𝑥𝑖:𝑦𝑖,𝑘 = 𝜎( 𝑥𝑖 ∗ 𝑤𝑖,𝑘 + 𝑏𝑖,𝑘)
Reconstruct output of visible layer:
𝑥𝑖′ = 𝜎(∑𝑘𝑦𝑖,𝑘 ∗ 𝑤𝑖,𝑘
′ + 𝑏𝑖,𝑘′ )
)|~( ii xxC
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CGSM Model
Convolutional Generative Stochastic Model(CGSM)
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w3 w3' w3 w3'w3 w3'
x
w1 w1' w1 w1' w1 w1'
1x x2 x3
w1 w1'
w2 w2' w2 w2' w2w2 w2'……
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Roadmap Data
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Random Noise
No Noise
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No Noise
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With Random Noise
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Contents Outline
Introduction
Environment Awareness
Joint Intention Based Collaboration
Motivation Driven Reasoning
Conclusions and Future Works
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What is Motivation
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Motivation is an internal process that directs and
maintains behavior with a certain goal within an
individual that account for the direction, level, and
persistence of effort.
Direction — an individual’s choice when presented with
a number of possible alternatives.
Level — the amount of effort a person puts forth.
Persistence — the length of time a person stays with a
given action.
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Motivation Theories
Behaviorist Theory Motivation is the result of responses to reinforcement.
Cognitive Theory Motivation results from individuals attempting to maintain
order or balance and an understanding of the world.
Humanist Theory Motivation results from individuals attempting to fulfill their full
potential as human beings.
--Wiseman & Hunt, 2001
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Need Hierarchy Theory
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Maslow’s-Hierarchy of needs theory is based on the
assumption that people are motivated by a series of five
universal needs. Zhongzhi Shi: Brain Machine Integration
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Hierarchy of Agent Needs
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Bach uses Psi theory to define a possible solution for a
drive-based, poly-thematic motivational system.
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MicroPsi2 Urgency
2018/7/4 38
J Bach. Modeling Motivation in MicroPsi 2. AGI-15, Springer International
Publishing , 2015 : 3-13
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MicroPsi2 Urgency
2018/7/4 39
J Bach. Modeling Motivation in MicroPsi 2. AGI-15, Springer International
Publishing , 2015 : 3-13
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Urgency-based
MicroPsi2 Decision-Making
2018/7/4 40
J Bach. Modeling Motivation in MicroPsi 2. AGI-15, Springer International
Publishing , 2015 : 3-13
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Motivation Learning in CAM
1. Observe OS(t) from S(t) using the observation
function
2. Subtract S(t) - S(t’) using the difference function
3. Compose ES(t) using the event function
4. Look for N(t) using introspective search
5. Repeat (for each Ni(t)∈N(t))
6. Repeat (for each Ij(t)∈I(t))
7. Attention = max Ij(t)
8. Create a Motivation by Attention.
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Motivation Rules
Motivation could be represented as a 3-tuples
{N, G,I}, where N means needs, G is goal, I
means the motivation intensity. A motivation is
activated by motivational rules which structure
has following format:
R=(P, D, Strength(P|D))
where, P indicates the conditions of rule
activation; D is a set of actions for the
motivation; Strength(P|D) is a value within
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Motivation Module in CAM
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Environment
Awareness
Select
Motivation
Execute
Plan
Event List
Normal Event? Motivation
Learning
Select
Intention
Motivation
Base
Select
Motivation
Environment
NoNoNoNoNo
Yes
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Motivation System in CAM
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Contents Outline
Introduction
Environment Awareness
Joint Intention Based Collaboration
Motivation Driven Reasoning
Conclusions and Future Works
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Cognitive Model of
Brain Machine Integration
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CAM
model ABGP
model
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Mind Model CAM
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ABGP Model
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Joint Intention
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In the joint-intention theory, a team is defined as “a set
of agents having a shared objective and a shared
mental state.”
Agent joint intention means an agent wants to achieve
a formula, which corresponds to the agent’s goal.
A joint intention to perform a particular action is a joint
commitment to enter a future state wherein the agents
mutually believe the collaborative action is imminent
just before they perform it
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Individual Intentions
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1984 Bratman, BDI
1990 Cohen and Levesque, intention model.
1990 Pollack, intention model
1988/1989 Werner, intention model,
Social roleRrol = <Irol, Srol, Vrol>
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Joint Intentions
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1989 Conte, Group Mind
1990 Searle, collective intentions
1990 Grosz and Sidner, Shared Plan
1988 Tuomela and Miller, we-intentions
1990 Rao et al. Social Plans
1990 Singh Group Intentions
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Joint Intentions
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1992 Jennings claimed the need to describe collectives
as well as individuals.
• agents must agree on a common goal.
• agents must agree they wish to collaborate to achieve
their shared objective.
• agents must agree a common means of reaching their
objective.
• action inter-dependencies exist and must be catered for
in general terms.
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GRATE* : A Cooperation
Knowledge Level System
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Nicholas Robert Jennings. Joint Intentions as a Model of Multi-Agent Cooperationin
Complex Dynamic Environments. University of London, 1992.
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Joint Intention
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a4||e2
a4||e1
a3||d1
a3||d2
a2||c2
a2||c1
a1||b1
a1||b2
t0
t2
t3
t1
t4
t6
t7
t5
t8
…...
…...
…...
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Description Logic
Description Logic
Concepts and Role
Tbox——Assertions
Abox——Instance
Reasoning mechanism in terms of Tbox
and Abox
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K
B
TBox(Scheme)Man = Human ⊓ Male
Happy-father = Human ⊓ ∃ Has-child.Female⊓ …
Abox(Data)John: Happy-father
<John,Mary> : Has-child
Reasoning
Interface
Description Logic
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Dynamic Description Logic
Concept name:C1, C2, …; Role name:R1, R2, …; Individual constant:a, b, c, …; Individual variable:x, y, z, …; Concept operation:, ⊓, ⊔, , ; Axiom operation:, ∧, ;
Action:A1, A2, …; Action construction : ; (composition) , ⋃
(alternation),* (repeat),?(test); Action variable:α,β, …; Axiom variable:, , , …; State variable:u, v, w, …;
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Dynamic Description Logic
Concepts in DDL are defined as the
following:
(1) Primitive concept P, top ⊤ and
bottom ⊥ are concepts.
(2) C, C⊓D, C⊔D are concepts.
(3) ∃R.C, ∀R.C are concepts.
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Dynamic Description Logic
An action description is the form of),(),...,( 1 AAn EPxxA
where
(1) A is the action name.
(2) x1, …, xn are individual variables, which
denote the objects the action operate on.
(3) PA is the set of preconditions, which must be
satisfied before the action is executed.
(4) EA is the set of results, which denote the
effects of the action.2018/7/4 Zhongzhi Shi: Brain Machine Integration
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Distributed Dynamic
Description Logic
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Bridge rules provide an important mechanism describing semantic mapping and
propagating knowledge for distributed dynamic description logics(D3L). The
current research focuses on the homogeneous bridge rules which only contain
atomic elements.
Xiaofei Zhao, Dongping Tian, Limin Chen, Zhongzhi. Reasoning Theory for
D3L with Compositional Bridge Rules. IFIP IIP 2012, 2012, 106-115.
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Distributed Dynamic
Description Logic
Xiaofei Zhao, Dongping Tian, Limin Chen, Zhongzhi. Reasoning Theory for D3L
with Compositional Bridge Rules. IFIP IIP 2012, 2012, 106-115.
Each BRij is a collection of bridge rules in direction from
Ti to Tj which are of four forms:
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Collaborative Decision Making
Collaborations occur over time as organizations interact
formally and informally through repetitive sequences of
negotiation, and commitment development and execution.
Under the support of the National Program on Key Basic
Research Project (973) we focus on Computational
Cognitive Models for Brain–Machine Collaborations:
Awareness-Based Collaboration
Motivation-Based Collaboration
Joint Intention-Based Collaboration
Zhongzhi Shi, Jianhua Zhang, Xi Yang, Gang Ma, Baoyuan Qi, Jinpeng Yue.
Computational Cognitive Models for Brain-Machine Collaborations. IEEE Intelligent
Systems 29(6): 24-31 (2014).
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Maze Simulation of Rat Cyborg
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Rat Cyborg
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In the automatic navigation of rats, five bipolar stimulating
electrodes separately are implanted in medial forebrain
bundle (MFB), somatosensory cortices (SI), and
periaqueductal gray matter (PAG) of the rat brain. There is
also a backpack fixed on the rat to receive the wireless
commands.Zhongzhi Shi: Brain Machine Integration
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Contents Outline
Introduction
Environment Awareness
Joint Intention Based Collaboration
Motivation Driven Reasoning
Conclusions and Future Works
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Conclusions
Intelligence Science is the road to human-level
artificial intelligence.
Develop a cognitive model of brain machine
integration
Environment awareness, motivation and joint
intention for collaborative decision-making
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China Intelligentization
20 July 2017,The State Council of China
issued The Development Plan of the New
Generation Artificial Intelligence.
The Development Plan of the Brain Science
and Brain-like Intelligence are under working.
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A Sketch Map of the New Generation of AI
development planning
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Brain Science and
Brain Inspired Project
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Thank You
Intelligence Science http://www.intsci.ac.cn/