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Subject Interface

Mix isolated stimulation and neural signal recording in one versatile device. TDT’s Subject Interface (SI) Stimulator features new electrical stimulation capabilities and can deliver complex stimulus patterns with unprecedented precision and flexibility. Multiple banks of high fidelity stimulation and recording can be combined in this versatile device.

Research Uses

Product Specs


  • Spike-triggered stimulation
  • Human & non-human EEG
  • Multi-modal signal integration
  • Simultaneous animal recording
  • Deep brain stimulation

Isolated Stimulation and Neural Signal Recording

  • Customize up to 8 banks with stimulation, analog and digital recording (up to 128 channels of stimulation or recording mix and match)
  • Stimulate up to 5 mA per channel with 10 nA resolution and +/-15V compliance
  • Deliver stimuli in current or voltage mode
  • Combine multiple banks to increase stimulation current and/or compliance voltage
  • Charge balance built into SI hardware and TDT’s Synapse Software
  • Generate complex pulse trains with integrated Synapse software