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Practicalities of Data Collection 

Practicalities of Data Collection
Practicalities of Data Collection

Riitta Hari

, and Aina Puce

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date: 08 March 2021

This chapter provides a number of suggestions about optimization of MEG/EEG recording sessions to guarantee as good signal quality and as high signal-to-noise ratio as possible. It also advices for performing replicability checks on the data. The practical aspects of preparing and performing an EEG recording (skin preparation, electrode-impedance measurement) and postrecording infection control are presented. Similarly, practicalities of performing MEG recordings are discussed. Measurement of MEG sensor-array location with respect to landmarks on the scalp and different methods for the measurement of EEG electrode positions are presented. The chapter ends with a discussion on electrical safety in the MEG/EEG laboratory.

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