It seems like you're referring to a "stimulator," but the term can apply to various fields. Could you clarify which type of stimulator you're asking about? Here are some common contexts:

1. Medical/Neurological Stimulators

Deep Brain Stimulator (DBS): Used for Parkinson’s disease, epilepsy, or depression.
Spinal Cord Stimulator (SCS): Helps manage chronic pain.
Vagus Nerve Stimulator (VNS): Treats epilepsy and depression.

2. Electrical/Muscle Stimulators

TENS (Transcutaneous Electrical Nerve Stimulation): For pain relief.
EMS (Electrical Muscle Stimulation): Used in fitness/rehabilitation.

3. Biological/Chemical Stimulators

Growth Stimulators: Used in agriculture or cell culture.
Cognitive Enhancers (Nootropics): Substances that stimulate brain function.

4. Technology/Devices

Haptic Stimulators: Used in VR for tactile feedback.
Audio/Visual Stimulators: For research or entertainment.

Let me know which one you're interested in, and I can provide more details!