PROPOSAL FOR THE DEVELOPMENT OF
A MULTI MEDIA NEURO FEEDBACK SYSTEM
FOR USE IN THERAPEUTIC ENVIRONMENTS
©THE MIND CONNECTION 2012

INTRODUCTION NEURO FEEDBACK THERAPY
• Based on the registration and feedback of brainwave signals.
• Measured with a user friendly wireless 14 channel headset.
• Software analyzes the brainwaves and transforms them to sounds
and visions.
• As an induction the sound and vision feedback influences the
senses of the client.
• This multi media induction is composed to direct the attention of
the client to a desired state.
The neuro feedback loop is closed and the client is training his attention
to cure his condition.

HARDWARE
connected to The Mind Connection software solutions (avaliable July 2012)
Specifications of the Neurosky Mindwave headset
Weight: 90g
Sensor arm up: height: 225mm x width:155mm x depth: 92mm
Sensor Arm down: height: 225mm x width:155mm x depth:165mm
Rate power: 30mW (max. 50mW)
RF frequency: 2.420 - 2.471GHz
RF max. power 6dBm
RF data range: 250kbit/s
RF range: 10m
Packet loss of bytes via wireless: 5%
UART Baudrate: 57,600 Baud
Max. signal input range: 1mV pk-pk EEG
Hardware filter range: 3Hz – 100Hz
Resolution: 12 bits ADC
Sampling rate: 512Hz
eSense calculation rate: 1 Hz

HARDWARE
possible of getting connected to The Mind Connection software solutions
Specifications of the Holst Centre Research Project Headset include:
• Low-power (1 mW) multi-purpose sensor node
• Wireless, low-power ECG patch
• Body heat-powered EEG and pulse oximeter system
• 2-, 6-, and 25-channel ExG systems
• Wearable EMG belt
• Wireless emotion monitoring system
• BAN for sleep monitoring

HARDWARE
Number of channels 14 (plus CMS/DRL references, P3/P4 locations)
Channel names (International 10-20 locations) AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, ,F4, F8, AF4
Sampling method Sequential sampling. Single ADC
Sampling rate 128 SPS (2048 Hz internal)
Resolution 16 bits (14 bits effective) 1 LSB = 1.95μV
Bandwidth 0.2 - 45Hz, digital notch filters at 50Hz and 60Hz
Filtering Built in digital 5th order Sinc filter
Dynamic range (input referred) 256mVpp
Coupling mode AC coupled
Connectivity Proprietary wireless, 2.4GHz band
Power LiPoly
Battery life (typical) 12 hours
Specifications of the Emotiv Epoc headset

PRODUCT DESCRIPTION based on Emotiv Emoc
• The base of the software is a network that transforms the
input of the brainwave signals of the headset
into control signals for a multi channel sound engine
and a real-time 3d-graphics engine.
• The measured brainwave signals are stored for statistic reproduction
• Neuro feedback training protocols can be created trough a
separate therapy editor.
• The software can be encrypted to avoid software pirating

Network
SOFTWARE
Sound
Player
3D
EngineUser Interface
Edit Protocol
DEVELOPER
THERAPIST
Online
Portal/
Data
Storage
Protocol
Emotiv Headset

SOUND FEEDBACK
• A number of selectable sound channels can be linked to the selected
training protocol.
• State Sound compositions can be created, saved, loaded and played
trough the Project menu. For example the Gaia State Sound composition is
made to induce a spectrum of nature sounds.
• There are 8 stereo sound channels available.
Every channel has 4 brainwave controllable sound effects:
Filter – Reverb – Flanger – Echo.
Screenshot of our actual State Sound application

SOUND FEEDBACK
The Mute buttons can be switched on and off to select one or
more sound channels for feedback.
• Channel 0 responds to delta waves (campfire sounds)
• Channel 1 responds to theta waves (wind sounds)
• Channel 2 responds to alfa waves (water sounds)
• Channel 3 responds to beta waves (cricket sounds)
• Channel 4 responds to the train signal (bird sounds)
• Channel 5 responds to the train signal (bell sounds)
• Channel 6 produces a slow breathing sound.
• Channel 7 produces an instruction voice.

3D GRAPHICS
Overview of the visual neurofeedback control parameters.
Camera : Brainwave controlled multi directional camera animations.
Colors : Brainwave controlled red, green and blue mixer.
Shapes : Brainwave controlled décor and object animations.
Particles : Brainwave controlled particle system animations.

3D GRAPHICS
• Screenshot of a 3D graphics scene from our actual State Vision
application
• A number of different scenes will be implemented in
the final version of the software

USER INTERFACE
• Screen shot of the 3D graphics menu from our actual State Vision application

OPTIONS TO IMPLEMENT IN THE USER INTERFACE
• Protocol selection
• Difficulty level setting
• Sensor contact test
• Start/Stop + Save/Load brainwave files
Example Sensor contact verification on User interface level
The Yellow dot indicates a poor signal connection
The Red dot indicates a bad signal connection.

ANALYZE AFTER THERAPY SESSION
• Graphs
• Tables
• Text
• Database
• Compare with previous sessions
• User Data – client based personal data store

THERAPY DEVELOPER INTERFACE
• Dual screen setup possibility
• Selectable 3D-scenes
• Selectable audio channels
• Select what to control in the 3d-scenes and in the audio feedback
Example windows from our State Monitor application
Creation of a number of protocols

Creation of control parameters:
• Per sensor one or more frequency bands
• Per frequency band: min freq, max freq, min level, max level,
optimal level, or dynamics (change size + -)
• Per sensor artefact detection and repression
(muscle tension, eye movements, eye blinks)
• Protocol decoding
• Protocols for statistics feedback
DEVELOPER INTERFACE

Therapist Patient
Online portal
Advantages central data storage:
• Data analysis
• Datamining
• Statistics
• Direct communication
patient <-> therapist
• No fixed measure location
(measure at home)
DB

Network
SOFTWARE
Sound
Player
3D
EngineUser Interface
Edit Protocol
DEVELOPER
THERAPIST
Online
Portal/
Data
Storage
Protocol
Emotiv Headset

THE MIND CONNECTION MULTIMEDIA PLATFORM
Processor
Bio signal input
Audio input
Manual input
3D Engine
Sound Engine
Plugins
Video input