4.1 Introduction4.2 Brain Informatics4.3 Electroencephalography (EEG)4.4 Magnetoencephalography (MEG)4.5 Functional Magnetic Resonance Imaging (fMRI)4.6 Positron Emission Tomography (PET)4.7 Near-Infrared Spectroscopy (NIRS)4.8 Invasive Techniques in Brain Data Acquisition4.9 Multimodal Data Acquisition Approaches4.10 Emerging Technologies and Trends in Brain Data Acquisition4.11 Data Quality, Storage, and Management in Brain Informatics4.12 Ethical Issues Involved with the Acquisition of Brain Data4.13 Case Studies and Applications in Brain Data Acquisition4.14 ConclusionFuture DirectionsReferences