BRAIN GATE TECHNOLOGY

A.SATYA KARTHIK

PRE PROCESSING… Pre Processing the raw EEG signal

Activities performed in pre processing

BAND FREQUENCY [HZ]

AMPLITUDE [V]

LOCATION

ALPHA 8-12 10-150 OCCIPTIAL

BETA 14-30 25 FRONTAL

THETA 4-7 VARIES VARIES

DELTA <3 VARIES VARIES

MU-RHYTHM 9-11 VARIES PRECENTRAL

DETECTION… Key part of the BCI

Finding the tasks through EEG signal 1.Time Domain 2.Frequency Domain

Classification algorithms and constant feed back

CONTROL & TRAINING… Detection of activity

Feedback provision

Adapting the BCI system

Familiarizing mental activities

Proper planning in training procedures

BIO FEEDBACK… Definition of bio feed back

Provided visually

BOON TO THE PARALYZED…

First patient – Matthew Nagle

Activities by Nagle in the hospital

Active participant in the trails of Brain Gate technology

APPLICATIONS… Patients with conditions causing severe

communication disorders

Military uses

Bioengineering applications

Control of Brain operated wheel chair

Multimedia and Virtual Reality applications

Artificial vision

CHALLENGES… Getting the right codes for the desired action

Avoiding brain damage

Virus attacks

Animal rights

Extensive training required

CONCLUSION… Helpful for disabled people

Improvement in NUEROSCIENCE field

Other brain imaging techniques

Few steps away…

THANK YOU…