A microprocessor-controlled stimulator for generating voltage clamp command sequences

Area of Science:

• * Electrophysiology
• * Instrumentation
• * Neuroscience

Background:

• * Precise control over electrical stimulation is crucial for electrophysiological experiments.
• * Existing methods for generating voltage pulse sequences can be cumbersome and time-consuming.
• * Automation of pulse sequence generation can improve experimental reproducibility and throughput.

Purpose of the Study:

• * To describe a novel device for generating programmed sequences of voltage pulses.
• * To demonstrate the device's capability in automatically varying pulse parameters.
• * To illustrate the application of the device in a two-microelectrode voltage clamp setup.

Main Methods:

• * A device utilizing a keypad for initial parameter entry.
• * Software enabling systematic variation of pulse parameters.
• * Integration with a two-microelectrode voltage clamp system.

Main Results:

• * Successful generation of programmed voltage pulse sequences.
• * Automated variation of pulse parameters demonstrated.
• * Device effectively applied in a two-microelectrode voltage clamp configuration.

Conclusions:

• * The developed device offers an automated and flexible solution for generating voltage pulse sequences.
• * This automation simplifies the creation of complex experimental protocols.
• * The device has significant potential for applications in electrophysiology and related fields.