Digital Biomedical Signal Acquisition and Processing Luca T. Mainardi, Anna M. Bianchi, and Sergio Cerutti Time-Frequency Signal Representations for Biomedical Signals G. Faye Boudreaux-Bartels and Robin Murray Multivariate Spectral Analysis of Electroencephalogram: Power, Coherence, and Second-Order Blind Identification Ramesh Srinivasan and Siyi Deng General Linear Modeling of Magnetoencephalography Data Dimitrios Pantazis, Juan Luis Poletti Soto, and Richard M. Leahy Emergence of Groupwise Registration in MR Brain Study Guorong Wu, Hongjun Jia, Qian Wang, Feng Shi, Pew-Thian Yap, and Dinggang Shen Functional Optical Brain Imaging Meltem Izzetoglu Causality Analysis of Multivariate Neural Data Maciej Kaminski and Hualou Liang