UNICORN BCI CORE RESOURCES

Explore comprehensive Unicorn BCI Core resources with step-by-step instructions, in-depth tutorials, and FAQ to help you set up, configure, and operate your Unicorn BCI Core device with confidence. Let’s get started!

BCI CORE RECORDER

The Unicorn BCI Core Recorder software user manual is available online on GitHub. This application enables users to acquire, visualize, and record data from Unicorn BCI Core devices with ease. It provides tools to process raw EEG data using pre-defined Notch and Bandpass filters, store recordings in CSV or BDF file formats, and stream data to external applications via LSL or UDP. For detailed instructions on setup, configuration, and usage, refer to the comprehensive user manual hosted on GitHub.

USER MANUAL

 

UNITY BANDPOWER INTERFACE

The Unity Bandpower Interface is a powerful Unity plugin for seamless integration with Unicorn BCI Core devices. It enables real-time bandpower calculation, allowing developers to build brain-computer interface (BCI) applications and games with ease. Featuring optimized performance and customizable frequency bands, it ensures accurate neural signal processing. The user manual is available online on GitHub, providing detailed setup and usage instructions.

USER MANUAL

HARDWARE INSTRUCTIONS FOR USE

Unicorn BCI Core-8 Instructions for Use, your complete reference for understanding and operating the Unicorn BCI Core-8 system. It provides essential information on device components, software, and safety, ensuring a seamless and secure user experience. Whether you’re setting up hardware, utilizing the software, or looking for technical specifications, this manual covers everything you need to maximize the potential of your Unicorn BCI Core-8 system.

INSTRUCTIONS FOR USE

UNICORN BCI CORE - RECORDING EEG VISUALIZATION P300 TUTORIAL

In this video, we demonstrate how to use the Unicorn BCI Recorder and an 8-channel Unicorn BCI Core to record EEG data and run a Visual P300 Oddball Paradigm. We configure signal acquisition, apply filtering, stream data via Lab Streaming Layer (LSL) to gHIsys, and visualize real-time event-related potentials, showing clear P300 responses in Simulink.

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UNICORN BCI CORE - RECORDING EEG IN HUMAN

Learn how to attach the Unicorn BCI Core-8 to the Unicorn cap using its magnetic base station. Position electrodes across eight locations for dry or wet EEG recording with g.SAHARA Hybrid electrodes. Easily mount, adjust, and clean the device for optimal use.

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UNICORN BCI CORE - RECORDING EEG IN HORSES

Explore how the Unicorn BCI Core-8 enhances equine research by tracking EEG data related to stress, learning, pain, sleep, and human interaction. This non-invasive tool helps optimize training, improve welfare, and support horses in high-stimulus environments.

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UNICORN BCI CORE - RECORDING EEG IN DOGS

Learn how to use the Unicorn BCI Core-8 to capture real-time EEG data in dogs. This non-invasive tool helps researchers understand canine cognition, refine training methods, and enhance dogs’ roles in therapy and service work.

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FREQUENTLY ASKED QUESTIONS

What data outputs are available from the Bandpower Interface?

The interface provides event-driven data outputs, including raw bandpower values, averaged bandpower values across all channels, calculated bandpower ratios (e.g., Theta/Beta Ratio, Engagement Index), signal quality, and battery level updates.

Can I customize frequency bands for bandpower calculation?

Yes, the Unity Bandpower Interface allows users to modify cutoff frequencies in the advanced settings, enabling precise control over bandpower estimations for delta, theta, alpha, beta, and gamma frequency bands.

How do I set up the Unicorn BCI Core in Unity?
  • Import the Unity Bandpower Interface package.
  • Drag prefabs (Device, Connection Dialog, Logger, SQ Bar, Bandpower Bars) into your Unity scene.
  • Set the device type to “Unicorn BCI Core” or “All Devices.”
  • Power on the Unicorn BCI Core device and connect via the Unity interface.
What are the system requirements for using the Unity Bandpower Interface?
  • Development: Windows 11 or macOS 14.5+, Unity 2022.3.56f1, Visual Studio 2022 (Windows) or Xcode 15.4 (Mac).
  • Deployment: Windows 11, macOS 14.5+, or Android (SDK Version 31+).
  • Hardware: Unicorn BCI Core device and a Bluetooth 5 adapter.
What is the Unicorn BCI Core Unity Bandpower Interface?

The Unity Bandpower Interface is a Unity plugin designed to enable real-time bandpower calculation for developers using Unicorn BCI Core devices. It allows seamless integration of brain-computer interface (BCI) applications and games. This feature is only available for Unicorn BCI Core.

What happens if I use non-g.tec accessories or modify the Unicorn BCI Core?

Using unauthorized accessories or modifying the device will invalidate the warranty and may impact device performance, safety, and compliance with standards. Only g.tec parts should be used. g.tec parts and accessories can be conveniently purchased through the Unicorn BCI Core Configurator.

What should I know about cleaning the Unicorn BCI Core Cap and electrodes?
  • Use only the detergents specified in the Unicorn BCI Core Instructions for Use.
  • Do not machine wash, use ultrasonic baths, or apply hot air dryers.
  • Avoid prolonged soaking and ensure everything is completely dry before storage.
How can I ensure reliable wireless communication for the Unicorn BCI Core?

The device uses the 2.4 GHz band for Bluetooth 5 transmission. Ensure the environment has minimal interference from WiFi or other Bluetooth devices. Use wireless screening tools if needed.

What do the Unicorn BCI Core LED statuses indicate?
  • Fading: Device is in discoverable mode.
  • Short blinks: Device is connected.
  • Continuous on: Device is in acquisition mode.
  • Off (while docked): Fully charged.
How do I charge the Unicorn BCI Core, and how long does it take?

To charge the device:

  • Detach it from the Basestation.
  • Connect the Unicorn USB Charging Cable to a USB power source. The charging time for a fully discharged battery is approximately 3 hours.
What safety precautions should I take when using the Unicorn BCI Core device?
  • Avoid electrostatic discharge when handling the device.
  • Do not use the device in wet rooms, explosive environments, or near high-frequency devices.
  • Remove electrodes before defibrillation.
  • Check all cables and connectors for damage before each use.
How do I properly handle and maintain Unicorn BCI Core electrodes and cables?
  • Avoid pulling, knotting, or exposing the cables to direct sunlight or chemicals.
  • Clean the electrodes thoroughly after use to remove any gel, but do not soak them for more than 30 minutes.
  • Store electrodes in a dry condition, avoiding high humidity or heat.
Can I use the Unicorn BCI Core in medical or clinical settings?

No, the Unicorn BCI Core is intended for use in non-medical environments and non-medical applications, such as research, artistic projects, or gaming.

What should I do if the Unicorn BCI Core device does not turn on?

Ensure the device is docked correctly on the Unicorn BCI Core Basestation. The magnetic connector should hold it in place, and the status LED should turn on. If the LED does not fade to indicate discoverable mode, charge the device using the Unicorn USB Charging Cable.

Can I send data from Unicorn BCI Core Recorder to an external application in real time?

Yes, you can send data using:

  • UDP: Configure the IP and Port settings in Network Settings.
  • LSL: Modify the LSL stream name and use compatible applications to receive the data.
What are the default filter settings for signal processing?

Predefined IIR filters available include:

  • Bandpass filters (e.g., 0.1–30 Hz, 0.5–50 Hz)
  • Highpass filters (e.g., >0.1 Hz, >2 Hz)
  • Lowpass filters (e.g., <20 Hz, <50 Hz)
  • Notch filters to remove power line noise (50 Hz, 60 Hz, or both).
How do I use triggers with Unicorn BCI Core Recorder?

Triggers can be sent to the recorder via UDP from external applications, like stimulus presentation tools. Ensure the UDP port is correctly configured and not conflicting with other settings.

How do I load CSV data from Unicorn BCI Core Recorder into MATLAB?

An import script is provided:

  1. Add the folder C:\Users\<username>\Documents\gtec\Unicorn\BCI Core\Unicorn BCI Core Recorder\MATLAB Tools to your MATLAB search path.
  2. Use the command: data = unicornrecorder_read(‘filename.csv’);

This will import the data and associated metadata into MATLAB.

What should I do if my data acquisition isn’t starting?

Ensure the Unicorn BCI Core device is connected and recognized in the Connection dialog. Use the Start/Stop Acquisition button on the Control Bar to initiate data acquisition.

How can I verify the signal quality of the EEG data from my Unicorn BCI Core device?

The Signal Quality Indicators monitor the quality of the EEG signal. The raw EEG is filtered to observe amplitude variations. Electrodes will turn green if the signal is within the proper range and red if the quality is poor.

How do I configure network settings for sending or receiving data?

You can configure network settings under the Network Settings section. This includes:

  • Receiving triggers via UDP: Set IP and Port (default IP: 127.0.0.1, Port: 1000).
  • Sending data via UDP: Default IP is 127.0.0.1, and the port is 1001.
  • Sending data via LSL: Modify the default LSL stream name (UnicornRecorderLSLStream) as needed.
What file formats can I use to save recorded data?

You can save recorded data in CSV or BDF+ file formats. These settings can be adjusted in the Recording Settings dialog.

How do I install the Unicorn BCI Core Recorder?

To install the Unicorn BCI Core Recorder, ensure you have g.tec Suite 2024 (version 1.24.01 or later) installed along with the latest update. The Unicorn BCI Core Recorder will be available in the Applications section of the suite.

Please note that the g.tec Suite 2024 must be purchased separately. However:

  • If you already have a g.tec Suite 2024 license, there is no need to purchase it again.
  • If you do not have the g.tec Suite 2024 or are a new customer, purchasing a Unicorn BCI Core device makes you eligible for an 80% discount on the g.tec Suite 2024.
How do I prepare a Unicorn Hybrid EEG Electrode with Gel?
  • Fill the syringe with Unicorn Gel.
  • Inject a small amount of gel into each electrode to ensure all tips make proper contact with the scalp.
  • Gently twist each electrode to evenly distribute the gel for optimal performance.
How do I connect my Unicorn BCI Core device to the Unicorn BCI Core Recorder?

When you open the Unicorn BCI Core Recorder, a Connection dialog will appear. Turn on your Unicorn BCI Core device, wait for it to be discovered, select it, and click the Connect button.