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MIND READING
COMPUTERS
By: Amal Antony
INTRODUCTION
• People express their mental states, including emotions, thoughts and desires, all
the time through facial expressions, vocal nuances and gestures. This is true when
they are interacting with machines.
• Mind reading machine is co-ordination of human psychology and computer
techniques.
• Some equipment are used to gather data & then analysed. To use those data for
further prediction of mind is known as theory of mind reading.
• Mind reading is a technique to read the mind state of other person. This can be
done by getting the facial expressions and seeing his activity.
• “The ability to attribute mental states to others from their behaviour and to use that
knowledge to guide our own actions and predict those of others is known as theory
of mind or Mind Reading.”
What is Mind reading?
• Drawing inspiration from psychology, computer vision and machine learning has
developed mind reading machine computers.
• Using a digital video camera, the mindreading computer system analyzes a
person’s facial expressions in real time and infers that person’s underlying mental
state.
• Prior knowledge of how particular mental states are expressed in the face is
combined with analysis of facial expressions and head gestures occurring in real-
time , its very use full for future.
• Software from Nevenvision identifies 24 feature points on the face and tracks
them in real time.
• The relationship between observable head and facial displays and the
corresponding hidden mental states over time is modelled using Dynamic
Bayesian Networks.
• This mainly uses LDA, k-NN, SVM, Decision Tree Algorithm.
Why Mind Reading?
• The Mind Reading computer system presents information about mental state easily.
• Projects in Cambridge are considering further inputs such as body postures and gestures
to improve the inference.
• The mind reading computer system also be used to monitor and suggest improvements in
human to human interaction.
• MIT (Massachusettus Institute of Technology) media laboratory at Cambridge, US, is
developing an emotional-social intelligence prosthesis which makes mind reading useful
to improve communication skills and social interactions.
• To implement this system in cars,
to detect driver’s mental states
such as drowsiness, distraction and
anger.
How does it works?
Futuristic Head Band:
• The mind reading actually involves measuring the volume and oxygen level of the
blood around the subject’s brain using technology called functional Near-Infrared
Spectroscopy (fNIRS).
• The user wears a futuristic head band that sends light in that spectrum into the
tissues of the head where it is absorbed by active, blood filled tissues.
• The Headband then
measures how much light
was not absorbed, letting
the computer gauge the
metabolic demands that the
brain is making.
• The results are often
compared to an MRI,
but can be gathered
with lightweight, non-
invasive equipment.
Web Search
• For the first test of the sensors, scientists trained the software program to
recognize six words - including "go", "left" and "right" - and 10 numbers.
• Participants hooked up to the sensors silently said the words to themselves
and the software correctly picked up the signals 92 per cent of the time.
• Then researchers put the letters of the alphabet in to a matrix with each
column and row labeled with a single digit number.
• In that way, each letter was
represented by a unique pair of
number co-ordinates. These were
used to silently spell "NASA" into a
web search engine using the
program.
• “This proved we could browse the
web without touching a keyboard”.
Techniques
• Facial effect detection:
It is done using hidden Markov Model, Neural
Network processing or active appearance
model.
• Emotional Classification:
Classification by Paul Ekman Anger, Fear,
Happiness,Disgust ,Sadness, Surprise.
• Facial Electromyography
It is used to measure the electrical activity
of the facial muscles. Muscles used are
“corrugator supercilii muscle” and others.
• Galvanic Skin Response
It is a measure of skin conductivity, which
is dependent on how moist the skin is.
• Blood Volume Pulse
It is measured by a process called
photoplethysmography. It produces a graph
indicating blood flow through the
extremities.
Applications
• Mind-reading computers could 'save your life’
• Facial recognition.
• Control robots by brain power
• The mind-reading computer that could communicate with coma patients
Mind-reading computers could 'save your life’
• Devices allowing people to write letters or play pinball using just the
power of their brains have become a major draw at the world’s biggest
high-tech fair.
• Scientists are researching ways to monitor motorist’s brain waves to
improve reaction times in a crash.
The mind-reading computer that could
communicate with coma patients:
• Canadian researchers have developing a mind-reading computer that
could help communicate with people in a coma.
• The University of Western Ontario researchers used neuroimaging to
read human thoughts via brain activity when they are conveying
specific ‘yes’ or ‘no’ answers.
Advantages
• Can read minds
• Help paralytic patients
• Help Handicapped people
• Help Comma patients
• Help people who cant speak
• Can be used for military purposes & sting operations
• Can be combined with consoles & used for mind gaming, robotics & stuff.
• Eliminate the capability to lie.
Disadvantages
• Tapping Brains for Future Crimes
• Can extract, through an individual, an important, secure & confidential
information of individual, state or even a country
• If developed or used by sinners, can be highly dangerous
 This prototype mind-controlled
wheelchair developed from the
University of Electro-Communications
in Japan lets you feel like half
Professor X and half Stephen
Hawking—except with the theoretical
physics skills of the former and the
telekinetic skills of the latter.
 A little different from the Brain-Computer Typing machine, this thing
works by mapping brain waves when you think about moving left,
right, forward or back, and then assigns that to a wheelchair command
of actually moving left, right, forward or back.
Conclusion
• Tufts University researchers have begun a three-year research project which, if
successful, will allow computers to respond to the brain activity of the computer's
user.
• Users wear futuristic-looking headbands to shine light on their foreheads, and then
perform a series of increasingly difficult tasks while the device reads what parts of
the brain are absorbing the light. That info is then transferred to the computer, and
from there the computer can adjust it's interface and functions to each individual.
Thank You….!

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Mind reading computers

  • 2. INTRODUCTION • People express their mental states, including emotions, thoughts and desires, all the time through facial expressions, vocal nuances and gestures. This is true when they are interacting with machines. • Mind reading machine is co-ordination of human psychology and computer techniques. • Some equipment are used to gather data & then analysed. To use those data for further prediction of mind is known as theory of mind reading.
  • 3. • Mind reading is a technique to read the mind state of other person. This can be done by getting the facial expressions and seeing his activity. • “The ability to attribute mental states to others from their behaviour and to use that knowledge to guide our own actions and predict those of others is known as theory of mind or Mind Reading.”
  • 4.
  • 5. What is Mind reading? • Drawing inspiration from psychology, computer vision and machine learning has developed mind reading machine computers. • Using a digital video camera, the mindreading computer system analyzes a person’s facial expressions in real time and infers that person’s underlying mental state. • Prior knowledge of how particular mental states are expressed in the face is combined with analysis of facial expressions and head gestures occurring in real- time , its very use full for future.
  • 6. • Software from Nevenvision identifies 24 feature points on the face and tracks them in real time. • The relationship between observable head and facial displays and the corresponding hidden mental states over time is modelled using Dynamic Bayesian Networks. • This mainly uses LDA, k-NN, SVM, Decision Tree Algorithm.
  • 7. Why Mind Reading? • The Mind Reading computer system presents information about mental state easily. • Projects in Cambridge are considering further inputs such as body postures and gestures to improve the inference. • The mind reading computer system also be used to monitor and suggest improvements in human to human interaction. • MIT (Massachusettus Institute of Technology) media laboratory at Cambridge, US, is developing an emotional-social intelligence prosthesis which makes mind reading useful to improve communication skills and social interactions.
  • 8. • To implement this system in cars, to detect driver’s mental states such as drowsiness, distraction and anger.
  • 9. How does it works? Futuristic Head Band: • The mind reading actually involves measuring the volume and oxygen level of the blood around the subject’s brain using technology called functional Near-Infrared Spectroscopy (fNIRS). • The user wears a futuristic head band that sends light in that spectrum into the tissues of the head where it is absorbed by active, blood filled tissues.
  • 10. • The Headband then measures how much light was not absorbed, letting the computer gauge the metabolic demands that the brain is making.
  • 11.
  • 12. • The results are often compared to an MRI, but can be gathered with lightweight, non- invasive equipment.
  • 13. Web Search • For the first test of the sensors, scientists trained the software program to recognize six words - including "go", "left" and "right" - and 10 numbers. • Participants hooked up to the sensors silently said the words to themselves and the software correctly picked up the signals 92 per cent of the time. • Then researchers put the letters of the alphabet in to a matrix with each column and row labeled with a single digit number.
  • 14. • In that way, each letter was represented by a unique pair of number co-ordinates. These were used to silently spell "NASA" into a web search engine using the program. • “This proved we could browse the web without touching a keyboard”.
  • 15. Techniques • Facial effect detection: It is done using hidden Markov Model, Neural Network processing or active appearance model. • Emotional Classification: Classification by Paul Ekman Anger, Fear, Happiness,Disgust ,Sadness, Surprise.
  • 16. • Facial Electromyography It is used to measure the electrical activity of the facial muscles. Muscles used are “corrugator supercilii muscle” and others. • Galvanic Skin Response It is a measure of skin conductivity, which is dependent on how moist the skin is. • Blood Volume Pulse It is measured by a process called photoplethysmography. It produces a graph indicating blood flow through the extremities.
  • 17. Applications • Mind-reading computers could 'save your life’ • Facial recognition. • Control robots by brain power • The mind-reading computer that could communicate with coma patients
  • 18. Mind-reading computers could 'save your life’ • Devices allowing people to write letters or play pinball using just the power of their brains have become a major draw at the world’s biggest high-tech fair. • Scientists are researching ways to monitor motorist’s brain waves to improve reaction times in a crash.
  • 19. The mind-reading computer that could communicate with coma patients: • Canadian researchers have developing a mind-reading computer that could help communicate with people in a coma. • The University of Western Ontario researchers used neuroimaging to read human thoughts via brain activity when they are conveying specific ‘yes’ or ‘no’ answers.
  • 20. Advantages • Can read minds • Help paralytic patients • Help Handicapped people • Help Comma patients • Help people who cant speak • Can be used for military purposes & sting operations • Can be combined with consoles & used for mind gaming, robotics & stuff. • Eliminate the capability to lie.
  • 21. Disadvantages • Tapping Brains for Future Crimes • Can extract, through an individual, an important, secure & confidential information of individual, state or even a country • If developed or used by sinners, can be highly dangerous
  • 22.  This prototype mind-controlled wheelchair developed from the University of Electro-Communications in Japan lets you feel like half Professor X and half Stephen Hawking—except with the theoretical physics skills of the former and the telekinetic skills of the latter.
  • 23.  A little different from the Brain-Computer Typing machine, this thing works by mapping brain waves when you think about moving left, right, forward or back, and then assigns that to a wheelchair command of actually moving left, right, forward or back.
  • 24. Conclusion • Tufts University researchers have begun a three-year research project which, if successful, will allow computers to respond to the brain activity of the computer's user. • Users wear futuristic-looking headbands to shine light on their foreheads, and then perform a series of increasingly difficult tasks while the device reads what parts of the brain are absorbing the light. That info is then transferred to the computer, and from there the computer can adjust it's interface and functions to each individual.