Related Experiment Video
Updated: Jan 25, 2026

How to Culture, Record and Stimulate Neuronal Networks on Micro-electrode Arrays MEAs
Published on: May 30, 2010
Active High-Density Electrode Arrays: Technology and Applications in Neuronal Cell Cultures
Davide Lonardoni1, Hayder Amin1,2, Stefano Zordan1
1Istituto Italiano di Tecnologia (IIT), Genova, Italy.
High-density electrode arrays using complementary metal-oxide-semiconductor (CMOS) technology enable detailed electrophysiological recordings from thousands of neurons. This advancement significantly enhances the study of neuronal networks, neurotoxicity, and potential therapies.
Area of Science:
- Neuroscience
- Bioengineering
- Electrophysiology
Background:
- Conventional multielectrode arrays (MEAs) have limitations in spatiotemporal resolution.
- Active high-density electrode arrays offer a significant advancement in recording capabilities.
Purpose of the Study:
- To introduce complementary metal-oxide-semiconductor (CMOS) based neurotechnology.
- To summarize recent studies showcasing the potential of active high-density electrode arrays.
- To discuss future research directions for screening applications.
Main Methods:
- Utilizing active high-density electrode arrays with complementary metal-oxide-semiconductor (CMOS) technology.
- Performing label-free electrical readouts from single neurons in neuronal cultures.
- Analyzing electrophysiological recordings from thousands of microelectrodes.
Main Results:
- CMOS-based active high-density electrode arrays drastically improve spatiotemporal recording resolution.
- These arrays facilitate label-free electrical readouts from large numbers of single neurons.
- Demonstrated potential for investigating neuronal network properties, neurotoxicity, and neurodevelopmental alterations.
Conclusions:
- Active high-density electrode arrays represent a powerful tool for modern electrophysiology.
- This technology offers advanced capabilities for disease modeling and therapeutic strategy testing.
- Future developments may enable high-throughput screening applications.
Related Concept Videos
Applications of the Ideal Gas Law: Molar Mass, Density, and Volume
Standard Electrode Potentials
Density
Current Density
Hybridoma Technology
Hybridoma Selection
Commonly used fusion techniques — electroporation,...
Electrodes: Overview
There are two main types of electrodes in electrochemical cells. The first type, known as the working or indicator electrode, has a potential that is sensitive to the analyte's concentration and reacts to changes in...

