iOS + Neuroscience : Braine-iPhone interfaces
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iOS + Neuroscience
Brain-iPhone interfaces
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Imagine
• Cocoa• Cocoa Touch• Cocoa Thought
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Biology
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Connectome
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Open Worm Project
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Neurointerfaces
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Backyard Brain
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Roboroach video
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Transcranial direct current stimulation
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Foc.Us• Enhance language and mathematical
ability, attention span, problem solving, memory, and coordination.
• accepted maximum 2 mA, usually 1 mA or less
• stimulation time - 20 minutes
• 10 minutes - effects lasting for up to an hour.
• 48 hours to a week before repeating the stimulation.
• Studies indicates SAFETY in a SINGLE session.
• No studies about long-term safety of repeated sessions of stimulation.
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Foc.Us API- (void)peripheralDidWriteChracteristic:(CBCharacteristic *)characteristic
withPeripheral:(CBPeripheral *)peripheral
withError:(NSError *)error;
- (void)peripheralDidReadChracteristic:(CBCharacteristic *)characteristic
withPeripheral:(CBPeripheral *)peripheral
withError:(NSError *)error;
- (void)hardwareDidNotifyBehaviourOnCharacteristic:(CBCharacteristic *)characteristic
withPeripheral:(CBPeripheral *)peripheral
error:(NSError *)error;
http://www.foc.us/bluetoothhttps://github.com/FocusBluetooth/focus-bluetooth-ios/blob/master/CBDemo/ViewController.m
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Foc.Us
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Electroencephalography
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δ <4 Gzslow-wave sleep,
some continuous-attention tasks
θ 4-7 Gz drowsiness,idling,
inhibition of elicited responses
α 7-14 Gz relaxed/reflecting,closing the eyes
β 15-30 Gz active thinking, focus, hi alert, anxious
γ 30-100 Gz cross-modal sensory processing,short-term memory matching of
recognized objects, sounds, or tactile sensations
μ 8-13 GzShows rest-state motor neurons,
mirror neurons activity(?)
σ 10-16 Gz Stage N2 sleep (consciousness shutdown)
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MindWave Mobile by NeuroSky2 mind states:
- Attention (0 – 100).
- Meditation (0 – 100).
• Blinking and it’s “power”.- Contact with skin.- Signal quality.
1 electrode
$99.95
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API- (void)dataReceived:(NSDictionary *)data {
if([data valueForKey:@"blinkStrength"])
if([data valueForKey:@"raw"]) {
if([data valueForKey:@"heartRate"])
if([data valueForKey:@"poorSignal"]) {
if([data valueForKey:@"respiration"]) {
if([data valueForKey:@"heartRateAverage"]) {
if([data valueForKey:@"heartRateAcceleration"]) {
if([data valueForKey:@"rawCount"]) {
if([data valueForKey:@"eSenseAttention"]){
eSenseValues.attention = [[data valueForKey:@"eSenseAttention"] intValue];
eSenseValues.meditation = [[data valueForKey:@"eSenseMeditation"] intValue];
eegValues.delta = [[data valueForKey:@"eegDelta"] intValue];
eegValues.theta = [[data valueForKey:@"eegTheta"] intValue];
eegValues.lowAlpha = [[data valueForKey:@"eegLowAlpha"] intValue];
eegValues.highAlpha = [[data valueForKey:@"eegHighAlpha"] intValue];
eegValues.lowBeta = [[data valueForKey:@"eegLowBeta"] intValue];
eegValues.highBeta = [[data valueForKey:@"eegHighBeta"] intValue];
eegValues.lowGamma = [[data valueForKey:@"eegLowGamma"] intValue];
eegValues.highGamma = [[data valueForKey:@"eegHighGamma"] intValue];
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Reverse-engineering
Tools:• lipo• otool• Hopper Disassembler• MachOView
Results:• Spline interpolation• Spectral density
estimation • Fast Fourier transform• …
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Applications
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https://github.com/orbotix/Sphero-iOS-SDK
https://github.com/MariaStoica/MindSphero
+
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BrainOSC
Converts data from ThinkGear's MindWave to OSC data
AdFenceMood and proximity based advertising using the
MindWave headset by NeuroSky and the Qualcomm Gimbal Proximity chip.
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Melon
3 electrodes on the forehead.
Detects focus and meditation.
Detects sleep phases.$149.Uses NeuroSky’s chip.SDK will be available in
summer.
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Muse by InteraXon
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Muse
6 dry sensors$ 299Sleep, calmness,
attention.Has an iOS app.Native library will be
available “soon”. Right now: console,
sockets, protobuf.
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Emotive EPOC
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Emotive Insight
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iOS SDK will be in summer.C++, really ?$ 229
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APIstruct emokit_contact_quality {//values > 4000 are good
short F3, FC6, P7, T8, F7, F8, T7, P8, AF4, F4, AF3, O2, O1, FC5;
};
struct emokit_frame {
unsigned char counter; //loops from 0 to 128 (129 values)
int F3, FC6, P7, T8, F7, F8, T7, P8, AF4, F4, AF3, O2, O1, FC5; //raw data values
struct emokit_contact_quality cq;
char gyroX, gyroY;
unsigned char battery; //percentage of full charge, read on counter=128
};
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API
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Insight video
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Emotive Insight
https://sites.google.com/a/emotiv.com/wiki/documentation
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Additional Resources
http://www.openbci.com/ - opensource BCIhttp://personalneuro.com/about.htm - neuro
apps developmenthttp://neurogadget.com/ - bloghttp://www.neurogamingconf.com/ -
conference 2014http://en.wikipedia.org/wiki/Brain
%E2%80%93computer_interfacehttp://neuroscience.uth.tmc.edu/toc.htm
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Additional Resources
http://wsyachina.narod.ru/biology/brain_17.html
http://wsyachina.narod.ru/medicine/drug_dependence.html
https://eyewire.org/signup
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Thanks for your [[data valueForKey:@"eSenseAttention"]
intValue]