brainwave starter kit- brain computer interface

19
Brain Wave Starter Kit

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Brainwave starter Kit- Brain computer interface for Educational Engineering Projects

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Page 1: Brainwave starter Kit- Brain computer interface

Brain Wave Starter Kit

Page 2: Brainwave starter Kit- Brain computer interface

BCI-Brain Computer Interface

Page 3: Brainwave starter Kit- Brain computer interface

Applications Using BCI

• Produce a two dimensional Electroencephalogram (EEG) controller for widespread application– Mechanical arm– Hands free light for Dentist– Wheel Chair

Adapted from www.toysrus.com Adapted from www.fotosearch.com/bthumb

http://blogs.static.mentalfloss.com

Page 4: Brainwave starter Kit- Brain computer interface

Project Overview

http://www.ipmc.cnrs.fr www2.latech.edu

Measure Brain Activity (EEG)

Translate into signal usable by a device (wheelchair, robotic arm, etc)

Page 5: Brainwave starter Kit- Brain computer interface

DATA ACQUISITON

Page 6: Brainwave starter Kit- Brain computer interface

ELECTRODE PLACEMENT

Letter for regionF - Frontal LobeT - Temporal LobeC - CenterO - Occipital Lobe

Number for exact positionOdd numbers - leftEven numbers - right

ELECTRODE PLACEMENT FOR 10-20 SYSTEM [spaced apart 10-20%]

Page 7: Brainwave starter Kit- Brain computer interface

BRAIN WAVESType Frequency Location Use

Delta <4 Hz everywhere occur during sleep, coma

Theta 4-7 Hz temporal and parietal

correlated with emotional stress(frustration & disappointment)

Alpha 8-12 Hz occipital and parietal reduce amplitude with sensory stimulation or mental imagery

Beta 12-36 Hz parietal and frontal can increase amplitude during intense mental activity

Mu 9-11 Hz frontal (motor cortex)

diminishes with movement or intention of movement

Lambda sharp, jagged

occipital correlated with visual attention

Page 8: Brainwave starter Kit- Brain computer interface

MINDWAVE MOBILE

BRAIN SENSOR

EAR CLIP

BATTERY

TGAM MODULE

Page 9: Brainwave starter Kit- Brain computer interface

HEADSET PLACEMENT

Page 10: Brainwave starter Kit- Brain computer interface

FEATURES• Single Sensor on FP1 • Can detect multiple mental states

simultaneously• Reference electrode on Ear clip to remove

ambient noises• IP involves noise cancellation and signal

amplification• Provides EMG feature for Eye Blink detection

Page 11: Brainwave starter Kit- Brain computer interface

SPECIFICATIONS

• Bluetooth ™ Wireless communication• Passive Dry Sensor EEG• Single AAA battery • 10 Hours Run Time

eSense Brainwave Patterns: • Attention• Meditation• Eye Blink• Frequency Bands: 0.5 to 50Hz

Page 12: Brainwave starter Kit- Brain computer interface

THINKGEAR

•TGAM MODULE offers e-Sense technology•Outputs Attention, Meditation and Physical eye blinks from raw EEG data•2.79cm x 1.52cm x 0.25cm, weighs 130mg •Communicates through UART interface at baudrate 1200, 9600 or 57600

Page 13: Brainwave starter Kit- Brain computer interface

SUPPORTED PLATFORMS

Page 14: Brainwave starter Kit- Brain computer interface

MIND-BOT

SPECIFICATIONS:• Micro Controller : 8051• ZIGBEE MODULE-Frequency : 2.3 Ghz• Attention level < 65 ------ STOP • Attention level > 65 ------ START• Baud rates available at 1200, 9600 ,57600 or

115200

Page 15: Brainwave starter Kit- Brain computer interface

Project Overview

http://www.ipmc.cnrs.fr

www2.latech.edu

Measure Brain Activity (EEG)

Translate into signal usable by a device (wheelchair, robotic arm, etc)

Page 16: Brainwave starter Kit- Brain computer interface

NeuroSky

• NeuroSky chip output– DC Motor Control

• Pulse width Modulation

Fan HighFan MediumFan Off

Page 17: Brainwave starter Kit- Brain computer interface

Neurosky

• Increase Brain Activity

• Increase Pulse Width

Fan High

http://www.ipmc.cnrs.fr

Page 18: Brainwave starter Kit- Brain computer interface

MINDBOT

BLUETOOTH

UART

UART

ZIGBEE MODULE

SENSES ATTENTION LEVEL

BLUETOOTH RFCOMM SERIAL PORT

ZIGBEE MODULE

8051 CONTROLLER WHEEL CONTROL

BOT

uses ‘SERIAL’ functionTX COMMAND

HEADSET

RX COMMAND

CONTROLS MOTOR BASED ON COMMAND

Page 19: Brainwave starter Kit- Brain computer interface

APPLICATIONS-Continued..

• Portable medical applications• Motor speed control• Drowsy driver detection• Light intensity control• Music play based on mind state• Mind gaming• Sports [ready zone analyser]•