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Human
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Grade 6+
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Supervision
Human-Human Interface
Control another person's hand with your brain... the demo no one forgets.
The Human-Human Interface is our most dramatic neuroscience demonstration. One person's brain sends a voluntary command, and through EMG recording and electrical stimulation, another person's hand moves involuntarily. It's safe, it's startling, and it teaches more about the nervous system in 60 seconds than a week of lectures.
As seen in Greg Gage's TED Talk... over 10 million views. The single best way to get anyone excited about neuroscience.
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$299.99
In stock
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How the Human-Human Interface works
The Human-Human Interface is a classroom neuroscience kit for demonstrating EMG recording, motor neuron signaling, and electrical stimulation in one unforgettable human-to-human control experiment.
- The controller flexes their arm, and the Human-Human Interface records the EMG muscle signal from the forearm.
- The signal is amplified and sent through stimulation electrodes on the second person's forearm.
- The second person's hand moves involuntarily, showing how voluntary brain commands become measurable muscle activity.
What students learn
Students see how the nervous system turns intention into movement. The demo connects motor neurons, EMG signals, muscles, and stimulation in a way students can feel and observe directly.
- Voluntary vs. involuntary muscle activation.
- How EMG signals are recorded from the body.
- How electrical stimulation can activate muscles.
- How neural interfaces relate to neuroprosthetics and rehabilitation.
- Why nervous system signals can be measured, amplified, and used in experiments.
Best for
- Neuroscience classroom demonstrations.
- STEM outreach and museum events.
- University neuroscience labs.
- Human physiology lessons.
- Neuroengineering and neuroprosthetics introductions.
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More Experiments
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Does Controlling a Neuroprosthetic Require Movement?
You want to move but cannot... can you still control others?
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Active vs. Passive Movements for Control Signals
Can muscles produce measurable electrical activity without direct brain commands? Investigate how muscle signals differ between voluntary (active) and externally-induced (passive) movements!
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Neuroengineering
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Neural Signal Pathways: Human-to-Human Control
In this lab, you’ll explore neural communication and motor control with the Human-Human Interface experiment. -
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- 1x HHI Device
- 1x 9V Battery
- 1x Orange cable (for EMG input)
- 1x Black cable (for stimulation output)
- 50x Electrode Patches (for EMG recording)
- 4x TENS Electrode Patches (for stimulation)
- USB Cable
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App
BYB Spike Recorder
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Schematic
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