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Update header & DIY Neuroscience Basic kit content
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DIY Neuroscience Kit Basic | ||
########################### | ||
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Overview | ||
********** | ||
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This kit is perfect for ``students``, ``researchers`` and ``hobbyists`` alike who want to start exploring neuroscience. | ||
Whether it's studying brain waves, monitoring heart rhythms, analyzing muscle movements, or tracking eye movements, | ||
this DIY kit provides an accessible and educational platform for understanding the complexities of human physiology and | ||
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Contents of the kit | ||
******************** | ||
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From development board (Maker UNO), BioAmp EXG Pill, BioAmp cable, jumper cables, gel electrodes, | ||
From development board (Maker UNO), BioAmp EXG Pill, BioAmp cable v3, jumper cables, gel electrodes, | ||
dry electrode-based BioAmp bands to skin preparation kit, this includes everything that you need to get started with your awesome HCI/BCI project. | ||
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.. figure:: media/kit-contents.* | ||
:align: center | ||
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**Unboxing the kit:** | ||
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.. youtube:: 7O9Bw8y5fQs | ||
:width: 100% | ||
:align: center | ||
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.. note:: Before you start using the kit, please download `Arduino IDE v1.8.19 (legacy IDE) <https://www.arduino.cc/en/software>`_. Using this you'll be able to upload the arduino sketches in Maker UNO and visualise the data on your laptop. | ||
Software requirements | ||
********************** | ||
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- Before you start using the kit, please download `Arduino IDE v1.8.19 (legacy IDE) <https://www.arduino.cc/en/software>`_. Using this you'll be able to upload the arduino sketches in Maker UNO and visualise the data on your laptop. | ||
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.. figure:: media/arduino-ide.* | ||
.. image:: media/arduino-ide.* | ||
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- Download Backyard Brains' Spike Recorder according to the operating system you are using (Windows, OSX, Linux) from this `link <https://backyardbrains.com/products/spikerecorder>`_. | ||
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.. image:: media/byb.* | ||
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Using the kit | ||
************** | ||
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This kit is made in a way so that even beginners can use it and get strated with recording biootential signals from their body to explore the field of neuroscience by making HCI/BCI projects. | ||
This kit is made in a way so that even beginners can use it and get started with recording biopotential signals from their body to explore the field of neuroscience by making HCI/BCI projects. | ||
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Step 1 (optional): Configure for EMG/ECG | ||
========================================= | ||
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@@ -44,15 +56,7 @@ by making a solder joint as shown in the image above. | |
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.. note:: Even without making the solder joint the BioAmp EXG Pill is capable of recording ECG or EMG as well but the signals would be more accurate if you configure it. | ||
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Step 2 (optional): Configure to operate at 3.3V | ||
================================================ | ||
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.. image:: media/configuration-3v.* | ||
:align: center | ||
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BioAmp EXG Pill is by default compatible with 5V but you can make it compatible with 3.3V as well using a voltage divider as shown above. | ||
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Step 3: Connect Maker UNO | ||
Step 2: Connect Maker UNO | ||
========================== | ||
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.. image:: media/connection-with-maker-uno.* | ||
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@@ -61,21 +65,21 @@ Connect VCC to 5V, GND to GND, and OUT to Analog pin A0 of your Maker UNO via ju | |
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.. warning:: Take precautions while connecting to power, if power pins (GND & VCC) are to be swapped, your BioAmp EXG Pill will be fried and it’ll become unusable (DIE). | ||
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Step 4: Connecting electrode cable | ||
Step 3: Connecting electrode cable | ||
=============================================== | ||
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.. image:: media/bioamp-cable.* | ||
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Connect the BioAmp cable to BioAmp EXG Pill by inserting the cable end in the JST PH connector as shown above. | ||
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Step 5: Skin Preparation | ||
Step 4: Skin Preparation | ||
=============================================== | ||
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Step 6: Measuring EMG (ElectroMyoGraphy) | ||
Step 5: Measuring EMG (ElectroMyoGraphy) | ||
=============================================== | ||
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We have 2 options to measure the EMG signals, either using the gel electrodes or using dry electrode based Muscle BioAmp band. You can try both of them one by one. | ||
We have 2 options to measure the EMG signals, either using the gel electrodes or using dry electrode based Muscle BioAmp Band. You can try both of them one by one. | ||
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- **Using gel electrodes:** | ||
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.. image:: media/EMGEnvelop.* | ||
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Step 7: Measuring ECG (ElectroCardioGraphy) | ||
Step 6: Measuring ECG (ElectroCardioGraphy) | ||
=============================================== | ||
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We have 2 options to measure the ECG signals, either using the gel electrodes or using dry electrode based Heart BioAmp band. You can try both of them one by one. | ||
We have 2 options to measure the ECG signals, either using the gel electrodes or using dry electrode based Heart BioAmp Band. You can try both of them one by one. | ||
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- **Using gel electrodes:** | ||
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1. Connect the BioAmp cable to gel electrodes | ||
2. Peel the plastic backing from electrodes | ||
3. Place the IN- cable on the left side, IN+ in the middle and REF (reference) on the far right side as shown above. | ||
3. Place the IN- cable on the left side, IN+ in the middle and REF (reference) on the far right side as shown in the diagram. | ||
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.. image:: media/ecg-lead1.* | ||
.. image:: media/ecg.* | ||
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- **Using Heart BioAmp Band:** | ||
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.. image:: media/bioamp-Exg-Pill-ECG.* | ||
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Step 8: Measuring EOG (ElectroOculoGraphy) | ||
Step 7: Measuring EOG (ElectroOculoGraphy) | ||
=============================================== | ||
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We have 2 ways to measure the EOG signals, either record the horizontal eye movement or the vertical eye movement. | ||
We have 2 ways to measure the EOG signals, either record the horizontal eye movement or the vertical eye movement. You can one by one record both the signals. | ||
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- **Horizontal EOG recording:** | ||
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.. image:: media/bioamp-exg-pill-eog.* | ||
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Step 9: Measuring EEG (ElectroEncephaloGraphy) | ||
Step 8: Measuring EEG (ElectroEncephaloGraphy) | ||
=============================================== | ||
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Let's understand the electrode placements before moving forward in this project. For recording EEG from | ||
different parts of the brain, you have to place the electrodes according to the `International 10-20 system for recording EEG <https://en.wikipedia.org/wiki/10%E2%80%9320_system_(EEG)>`_. | ||
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.. image:: media/10-20-system.* | ||
:width: 80% | ||
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We have 2 options to measure the EEG signals, either using the gel electrodes or using dry electrode based Brain BioAmp band. You can try both of them one by one. | ||
We have 2 options to measure the EEG signals, either using the gel electrodes or using dry electrode based Brain BioAmp Band. You can try both of them one by one. | ||
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- **Using gel electrodes to record from prefrontal cortex part of brain:** | ||
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**Visualizing the EEG signals** | ||
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Download Backyard Brains' Spike Recorder according to the operating system you are using (Windows, OSX, Linux) from this `link <https://backyardbrains.com/products/spikerecorder>`_. | ||
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When the Spike Recorder starts, it will start recording from your microphone. To change that, go to the settings by clicking | ||
Open the Spike Recorder software. When the Spike Recorder starts, it will start recording from your microphone. To change that, go to the settings by clicking | ||
the first icon on the top left corner of the screen, select the COM port on which the Maker UNO is connected and click on connect. | ||
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.. figure:: media/spike-recorder-configurations.* | ||
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Mute the speakers and apply the 50Hz notch filter by clicking on the checkbox as shown in the screenshot above. You should | ||
set the low band pass filter to 1Hz and high bandpass filter to 40Hz as we are only recording the EEG singnals which range between | ||
set the low band pass filter to 1Hz and high bandpass filter to 40Hz as we are only recording the EEG signals which range between | ||
these frequencies. | ||
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Now everything is configured and connected. So close the settings window and start recording EEG signals. | ||
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We hope everything is clear now and you understand how the signals are propagating from your brain to the screen of the laptop. | ||
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Features of Spike Recorder that you can explore: | ||
**Features of Spike Recorder that you can explore:** | ||
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- Increase or decrease the scale of the Y axis by clicking on the + and - icons respecitively that is present on the left side of the graph. | ||
- Increase or decrease the X axis timescale by sliding up and down on the scroll wheel of the mouse. | ||
- Visualize the FFT graph by clicking on the FFT icon on top left size of the screen. | ||
- Record the data in .wav format by clicking the record icon on the top right corner. You can convert this data in any other format according to your project requirements. | ||
- Listen to the signals by clicking the volume icon on the top right corner. No don't smile right now, that's how your brain sounds like :P | ||
- Listen to the signals by clicking the volume icon on the top right corner. No don't smile right now, that's how your brain sounds like :P | ||
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Some Project Ideas | ||
********************* | ||
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.. only:: html | ||
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.. article-info:: | ||
:avatar: media/instructables.svg | ||
:avatar-link: https://www.instructables.com/member/Upside+Down+Labs/ | ||
:avatar-outline: muted | ||
:author: Upside Down Labs on Instructables: | ||
:class-container: sd-p-2 sd-rounded-1 | ||
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.. grid:: 2 2 2 2 | ||
:margin: 4 4 0 0 | ||
:gutter: 2 | ||
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.. grid-item-card:: Recording EEG from visual cortex | ||
:text-align: center | ||
:link: https://www.instructables.com/Recording-EEG-From-Visual-Cortex-of-Brain-Using-Bi/ | ||
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.. grid-item-card:: Measuring heart rate | ||
:text-align: center | ||
:link: https://www.instructables.com/Measuring-Heart-Rate-Using-BioAmp-EXG-Pill/ | ||
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.. grid-item-card:: Detecting heart beats | ||
:text-align: center | ||
:link: https://www.instructables.com/Detecting-Heart-Beats-Using-BioAmp-EXG-Pill/ | ||
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.. grid-item-card:: Creating a drowsiness detector | ||
:text-align: center | ||
:link: https://www.instructables.com/Drowsiness-Detector-by-Detecting-EOG-Signals-Using/ | ||
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.. grid-item-card:: Detecting eye blinks | ||
:text-align: center | ||
:link: https://www.instructables.com/Eye-Blink-Detection-by-Recording-EOG-Using-BioAmp-/ | ||
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These are some of the project ideas but the possibilities are endless. So create your own Human Computer Interface (HCI) and | ||
Brain Computer Interface (BCI) projects and share them with us at [email protected]. | ||
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.. only:: latex | ||
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Here are some project ideas that you can try making at your home. Click on the links below to get the step by step guides to build the projects. | ||
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1. `Recording EEG from visual cortex <https://www.instructables.com/Recording-EEG-From-Visual-Cortex-of-Brain-Using-Bi/>`_ | ||
2. `Measuring heart rate <https://www.instructables.com/Measuring-Heart-Rate-Using-BioAmp-EXG-Pill/>`_ | ||
3. `Detecting heart beats <https://www.instructables.com/Detecting-Heart-Beats-Using-BioAmp-EXG-Pill/>`_ | ||
4. `Creating a drowsiness detector <https://www.instructables.com/Drowsiness-Detector-by-Detecting-EOG-Signals-Using/>`_ | ||
5. `Detecting eye blinks <https://www.instructables.com/Eye-Blink-Detection-by-Recording-EOG-Using-BioAmp-/>`_ | ||
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These are some of the project ideas but the possibilities are endless. So create your own Human Computer Interface (HCI) and | ||
Brain Computer Interface (BCI) projects and share them with us at [email protected] |
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