// interactive simulator
TI Stimulation Homepage
Stimulation Mode
I1 Parameters
Frequency 1 (Hz)
Phase 1 (°)
Amplitude I1 (mA)1.0
Active Electrode
Return Electrode
I2 Parameters
Frequency 2 (Hz)
Phase 2 (°)
Amplitude I2 (mA)1.0
Active Electrode
Return Electrode
Playback
Time Speed21%
FFT Status
Recomputed once 1 s of clean data is collected after any parameter change.
Collecting data…
Legend
Waveform 1 (Left)
Waveform 2 (Right)
Current Sum
Envelope
I1 · Time
Time Range 10.0 ms
I1 · FFT
Freq Range 1 – 8000 Hz
Virtual Load and Scope
Current Voltage
I1 · LEFT I2 · RIGHT ACTIVE RETURN ACTIVE RETURN Solid = active lead · Dashed = return lead · (figure source)
I2 · Time
I2 · FFT
Current Sum & Env · Time
Time Range 200 ms
Current Sum · FFT
Freq Range 1 – 8000 Hz
Pair A — Electrodes
A (+)
A (−)
f₁ (Hz)
I₁ (mA)1.0
Pair B — Electrodes
B (+)
B (−)
f₂ (Hz)
I₂ (mA)1.0
Head Model
σ (S/m)0.275
Radius (m)0.100
Threshold80%
Click inside any panel to inspect the electric field waveform & spectrum at that point.
Pair A & B · Combined carrier fields
Click inside head to inspect
Pair A (+) Pair A (−) Pair B (+) Pair B (−) Other
TI envelope · X component
Overlay = M ≥ threshold
Stimulated region · Y component
Overlay = M ≥ threshold
Stimulated region · MAX TI
Overlay = M ≥ threshold
Field at point
Time domain
Frequency spectrum (FFT)