Local Field Potential
Also written as: LFP — Local Field Potential
Low-frequency electrical brain signals recorded from implanted electrodes, used as feedback for adaptive neuromodulation systems.
Full Definition
Local Field Potentials (LFPs) are low-frequency electrical signals (typically 1-100 Hz) that reflect the synchronized synaptic activity of neuronal populations around the recording electrode. In neuromodulation, LFPs serve as important biomarkers for disease states and treatment responses, particularly in closed-loop systems. These signals can indicate pathological brain activity patterns, such as excessive beta oscillations in Parkinson's disease or gamma activity in epilepsy, enabling adaptive stimulation algorithms to adjust therapy parameters in real-time based on ongoing neural activity.
Usage
Usage note: Often abbreviated as LFP; plural form is LFPs.
In Context
- "Local field potential recordings guided the adaptive deep brain stimulation algorithm for Parkinson's disease." — Research methodology
- "Changes in local field potential patterns correlated with clinical improvement following stimulation onset." — Clinical study results