Mind Control – Array(Final Presentation)

Trenton Dunn,Trenton Dunn,

David Moreland,David Moreland,

Sabrina VellinoSabrina Vellino

April 23, 2002April 23, 2002

Potential Applications

Physically handicappedPhysically handicapped Mechanical prosthetics for amputeesMechanical prosthetics for amputees Communication with paralyzed patientsCommunication with paralyzed patients

EntertainmentEntertainment Physical and mental interactionPhysical and mental interaction Sensory responses received from gameSensory responses received from game

Applications (con’t)

Military applicationsMilitary applications ELF’s to manipulate thought, emotion, ELF’s to manipulate thought, emotion,

and physical conditionand physical condition Moving from chemical warfare into Moving from chemical warfare into

mental warfaremental warfare

Past Research and Applications

Mind ControlMind ControlConspiracy or Truth?Conspiracy or Truth?

Late 1960’sLate 1960’s Telemetry Telemetry Unknowing victimsUnknowing victims

Chapin’s LaboratoryChapin’s LaboratoryRat ProbingRat Probing

Probed neuron levels Probed neuron levels in rats brainin rats brain

Able to successfully Able to successfully train rats to use their train rats to use their brain to retrieve waterbrain to retrieve water

Past Research and Applications

Armstrong LaboratoryArmstrong LaboratoryRecent Advancement in Brain Wave UsageRecent Advancement in Brain Wave Usage

Sensors Sensors externallyexternally placed on pilot’s heads placed on pilot’s heads Flight simulator would bank left or right Flight simulator would bank left or right

depending on concentration of brain waves.depending on concentration of brain waves. Gloria Calhoun - successful in controlling Gloria Calhoun - successful in controlling

the simulator with brain waves alone.the simulator with brain waves alone.

Brainwaves

Delta:Delta: 0-4 Hz0-4 Hz

Theta:Theta: 4-7 Hz4-7 Hz

Alpha:Alpha: 8-13 Hz8-13 Hz

Beta:Beta: >14 Hz>14 Hz

Photos courtesy of www.sciam.comPhotos courtesy of www.sciam.com

EEG Utilization Helmet or Ear ClipsHelmet or Ear Clips AmplifiersAmplifiers

including differential including differential for noise reductionfor noise reduction

FiltersFilters monitor desired monitor desired

frequenciesfrequencies A/D ConverterA/D Converter

convert raw data to convert raw data to digital for processingdigital for processing

Photo courtesy of babylab.rutgers.edu

Currently Available Devices BrainMasterBrainMaster

$975$975.00.00 Braintrainer EEGBraintrainer EEG

$795$795.00.00 PODPOD

$717.24 (1-channel) and $922.84 (2-channel) $717.24 (1-channel) and $922.84 (2-channel) Waverider Jr. Waverider Jr.

$950.00 $950.00 Mindset EEG Mindset EEG

$2,195.00 $2,195.00

Current Design-highlights

Differential amplifierDifferential amplifier Silver/chloride coated electrodesSilver/chloride coated electrodes Direct coupled inputsDirect coupled inputs

Current Design-alternatives

Operate IC at low bias pointOperate IC at low bias point

Signal output feed to filters designed to Signal output feed to filters designed to separate out alpha, beta, and theta separate out alpha, beta, and theta frequenciesfrequencies

Testing OscilloscopeOscilloscope

Look for FFT spike at 1HzLook for FFT spike at 1Hz BetaBeta

Increase caffeine in subject’s system Increase caffeine in subject’s system Promote active thinkingPromote active thinking

ThetaTheta No caffeine intake for 24 hoursNo caffeine intake for 24 hours Produce drowsiness from NyquilProduce drowsiness from Nyquil

Testing cont’

Must decipher between the 4 basic Must decipher between the 4 basic brainwave patternsbrainwave patterns

Multiple amplifiers for use of the helmet for Multiple amplifiers for use of the helmet for more in-depth experimentationmore in-depth experimentation

Post Testing: Two Possibilities

Fix / Re-build CircuitFix / Re-build Circuit Use DesignUse Design

Current Design

Testing

Fix / Rebuild

Use Design (Main Goal)

Testing / Rebuild / Use process for brain wave project.

Fix / Re-build

Add Notch Filters to External Amplifier.Add Notch Filters to External Amplifier. Re-Design to Increase Gain of Amplifier.Re-Design to Increase Gain of Amplifier. Find new circuit diagram from patents.Find new circuit diagram from patents. Build new circuit.Build new circuit. Repeat testing.Repeat testing.

Use Design

Use A/D Converter to input to Use A/D Converter to input to microprocessormicroprocessor

Input Microprocessor signals into computer Input Microprocessor signals into computer via USB or Serial Connection. via USB or Serial Connection.

Write HDL or High Language (C++, Java) Write HDL or High Language (C++, Java) code for using brain waves.\code for using brain waves.\

Create multiple channels for use of brain Create multiple channels for use of brain waves. waves.

Order of Events

Ordered parts and suppliesOrdered parts and supplies Played the waiting gamePlayed the waiting game Worked on other areas of the projectWorked on other areas of the project Encountered ProblemEncountered Problem Solved Problem and Started TestingSolved Problem and Started Testing

Oscilloscope Testing

HP 54165B Capable of FFT TestingHP 54165B Capable of FFT Testing TDS 3054 Lab Scope Used for TestingTDS 3054 Lab Scope Used for Testing

Problem Encountered

Old Amplifier was having problemsOld Amplifier was having problems

Loop back circuit (AD620) was not Loop back circuit (AD620) was not soldered correctlysoldered correctly

Caused the output to be locked highCaused the output to be locked high Re-soldering Fixed this problemRe-soldering Fixed this problem

Testing Started

Heartbeat TestHeartbeat Test

Testing Started

Eyebrow Raise TestEyebrow Raise Test

Built New Amplifier

Circuit Schematic for current amplifierCircuit Schematic for current amplifier

New Circuit – Built

Problem with New Circuit

Need to break AGND connection on board Need to break AGND connection on board more thoroughlymore thoroughly

Testing Continued

FFT at 60HzFFT at 60Hz Spike correspond to Spike correspond to

lights in the roomlights in the room

Testing Continued

FFT from 0-15 HzFFT from 0-15 Hz Indeed measuring Indeed measuring

brainwavesbrainwaves Difficult to decipher Difficult to decipher

between different between different types of brainwavestypes of brainwaves

Ideas for Next Semester

Secure a sound and frequency free area for the Secure a sound and frequency free area for the amplifier and test subject amplifier and test subject

Perform the tests with few subjects in the room.Perform the tests with few subjects in the room. No electrical appliances, including lights should No electrical appliances, including lights should

be plugged in, or on, except for the scope when be plugged in, or on, except for the scope when testing is performed.testing is performed.

Repeat the tests on 2-4 day intervals and average Repeat the tests on 2-4 day intervals and average the results. the results.

Conclusion

Amplifier is capable of measuring Amplifier is capable of measuring brainwavesbrainwaves

More defined environment needed for More defined environment needed for testingtesting

Learn how to use brain waves for Learn how to use brain waves for application purposesapplication purposes

THE END

Any Questions?Any Questions?

Thank you for a

wonderful semester!!!