title: Technical tips: polarity and localization.
authors.affiliation: Michigan Institute for Neurological Disorders, Farmington Hills, Michigan, USA.
authors.forename: Martha F
authors.initials: MF
authors.lastname: Coyne
mesh_terms: D001931:Brain Mapping / Q000295:instrumentation* / Q000379:methods*; D004566:Electrodes; D004569:Electroencephalography / Q000295:instrumentation* / Q000379:methods*; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians'