Brain Computer Interface

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CS- 308 SEMINAR ON : Brain Computer Interface SUBMITTED TO: Prof. Pragya Jain CSE Department SUBMITTED BY: Sagar Wadjikar 0903CS121060 Maharana Pratap College Of Technology

Brain Computer Interface:

Brain Computer Interface


Outlines What is BCI ? How does it work ? Brain Wave Control Data Acquisition Applications Drawbacks Future Queries Thank You

What is BCI ?:

What is BCI ? Brain -Computer Interface - Direct Neural Interface or Brain-Machine Interface Direct communication pathway between a brain and an external device. Research on BCIs began in the 1970s at the University of California Los Angeles

How does it work ?:

How does it work ? Signal Acquisition Signal Processing Devices

Brain Wave Control:

Brain Wave Control

Brain Wave Control:

Brain Wave Control Active α (8 – 12 Hz): relaxed/reflecting β (12 – 30 Hz): alert/working - Training - Misjudgment

Data Acquisition:

Data Acquisition

Data Acquisition:

Data Acquisition Invasive BCIs Non-Invasive BCIs Partially-Invasive BCIs Wireless BCIs

Invasive BCIs:

Invasive BCIs Implanted: grey matter Signals: highest quality Scar-tissue build-up Target: repairing damaged sight providing new functionality to persons with paralysis Artificial Vision System

Non-Invasive BCIs:

Non-Invasive BCIs poor signal resolution power muscle implants and restore partial movement Interfaces EEG MEG MRI

Partially-Invasive BCIs:

Partially-Invasive BCIs Implanted: skull lower risk of forming scar-tissue in the brain Signal quality between invasive BCIs & non-invasive BCIs

Wireless BCIs:

Wireless BCIs More practical Embedding multiple chips More complicated thoughts Transmission with RF key requirement: keep the heat down Size: 2cm in diameter , 8cm thick Low cost Receive Distance: 10m ~ 50m


Drawbacks Headache Exhausting Laziness Degenerate


Future Integrate with different territory From lab to factory Nursing and medical treatment

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Thank You…:

Thank You…

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