Tags: template dewar

Template MEG dewar shapes

To help position the subject in the MEG dewar (i.e. the helmet), you can use ft_realtime_headlocalizer in combination with the FieldTrip realtime interface. Template dewar outlines are available for the CTF and the Neuromag/Elekta/MEGIN system and will be loaded automatically. The head localizer allows you to visualize the following geometries:

  • head localizer coils
  • realistic head shape, recorded with Polhemus or Structure Sensor
  • schematic outline of the head as a sphere
  • MEG sensor positions
  • dewar outline

You can find the template MEG dewar shapes included in FieldTrip here.