## page was renamed from FiducialPoints
= How to define fiducial points =
== Subject Coordinate System (SCS) ==
=== Nasion (NAS) ===
=== Left pre-auricular point (LPA) ===
=== Right pre-auricular point (RPA) ===
== Talaraich coordinate system ==
=== Anterior comissure (AC) ===
=== Posterior commissure (PC) ===
=== Interhemispheric point (IH) ===