Joonas Iivanainen

Joonas Iivanainen is a Postdoctoral Researcher in the Department of Neuroscience and Biomedical Engineering at Aalto University. His research focuses on magnetoencephalography (MEG), magnetic sensor design, and computational modeling of magnetic fields in biomedical contexts. He works with advanced magnetometer technologies, including induction coil magnetometers and optically pumped magnetometers, to improve neural signal acquisition and environmental magnetic sensing.

• Institution: Aalto University
• Department: Neuroscience and Biomedical Engineering
• Role: Postdoctoral Researcher

His research explores novel approaches to MEG sensor array design, thermal magnetic noise computation, and magnetic field modeling. Recent publications highlight advancements in single-trial neural response classification, high-sensitivity rf detection, and calibration techniques for optically pumped magnetometers. His work bridges theoretical physics and practical biomedical engineering applications.

Key trends in his publications include:

• Development of on-scalp MEG systems for improved spatial resolution
• Quantification of thermal noise in conducting materials
• Integration of active ambient-field cancellation in sensor arrays
• Comparative studies of OPM and SQUID-MEG technologies
• Optimization of electromagnetic coil configurations
• Advancements in generalized spatial-frequency analysis for neural signals