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Emotiv Epoc/BCi/EEG

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Suhail Khan
Suhail Khan

The document discusses the Emotiv Epoc brain-computer interface device. It works using electroencephalography (EEG) to record electrical activity in the brain and brain-computer interfacing to allow communication between the brain and external devices. The Emotiv Epoc measures electrical signals associated with brain activity and facial muscles, and converts them into commands using artificial neural networks like backpropagation. It has applications in gaming, vehicle control, and assistive technologies through cognitive training and software.

Technologie
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Technical Seminar on “Emotiv Epoc/EEG/BCI” By Suhail Ahmed Khan 1RN07EC096
Introduction ,[object Object],[object Object]
[object Object],[object Object],[object Object]
Working Principles ,[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object]
Biological Neuron Biological Terminology ANN terminology Neuron Node/unit/cell Synapse Connection/link Synaptic Efficiency Connection Strength/weight Firing frequency Node output
McCulloch-Pitts Model ,[object Object],[object Object],[object Object],[object Object],[object Object]
Back Propagation Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
Hardware Components ,[object Object],[object Object]
Specifications Number of Channels 14 (plus CMS/DRL references) Channel names (Int. 10-20 locations) AF3, AF4, F3, F4, F7, F8, FC5, FC6, P7, P8, T7, T8, O1, O2 Sampling method Sequential sampling, Single ADC Sampling rate ~128Hz (2048Hz internal) Resolution 16 bits (14 bits effective) 1 LSB = 1.95μV Bandwidth 0.2 - 45Hz, digital notch filters at 40Hz and 60Hz Dynamic range (input referred) 256mVpp Coupling mode AC coupled Connectivity Proprietary wireless, 2.4GHz band Battery type Li-poly Battery life (typical) 12 hours Impedance measurement Contact quality using patented system
Operation
Training ,[object Object]
[object Object],[object Object]
Software ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],consumer_key = '31003554381037423100354838003750' research_key = '31003954381037423100394838003750'   sensorBits = { 'F3': [10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7], 'FC6': [214, 215, 200, 201, 202, 203, 204, 205, 206, 207, 192, 193, 194, 195], 'P7': [84, 85, 86, 87, 72, 73, 74, 75, 76, 77, 78, 79, 64, 65], 'T8': [160, 161, 162, 163, 164, 165, 166, 167, 152, 153, 154, 155, 156, 157], 'F7': [48, 49, 50, 51, 52, 53, 54, 55, 40, 41, 42, 43, 44, 45], 'F8': [178, 179, 180, 181, 182, 183, 168, 169, 170, 171, 172, 173, 174, 175] } classEmotivPacket (object): def__init__ (self, data): self . counter = ord(data[0]) self . sync = self . counter == 0xe9 self . gyroX = ord(data[29]) - 102 self . gyroY = ord(data[30]) - 104 #assert ord(data[15]) == 0  
 
Applications ,[object Object],[object Object]
Present Applications ,[object Object],[object Object],[object Object]
Developer Applications ,[object Object],[object Object],[object Object]
[object Object],[object Object]
Advantages/Disadvantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Current Status ,[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]
Questions
Video

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Emotiv Epoc/BCi/EEG

  • 1. Technical Seminar on “Emotiv Epoc/EEG/BCI” By Suhail Ahmed Khan 1RN07EC096
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  • 7. Biological Neuron Biological Terminology ANN terminology Neuron Node/unit/cell Synapse Connection/link Synaptic Efficiency Connection Strength/weight Firing frequency Node output
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  • 12. Specifications Number of Channels 14 (plus CMS/DRL references) Channel names (Int. 10-20 locations) AF3, AF4, F3, F4, F7, F8, FC5, FC6, P7, P8, T7, T8, O1, O2 Sampling method Sequential sampling, Single ADC Sampling rate ~128Hz (2048Hz internal) Resolution 16 bits (14 bits effective) 1 LSB = 1.95μV Bandwidth 0.2 - 45Hz, digital notch filters at 40Hz and 60Hz Dynamic range (input referred) 256mVpp Coupling mode AC coupled Connectivity Proprietary wireless, 2.4GHz band Battery type Li-poly Battery life (typical) 12 hours Impedance measurement Contact quality using patented system
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