mne.head_to_mri(pos, subject, mri_head_t, subjects_dir=None, verbose=None)[source]

Convert pos from head coordinate system to MRI ones.

This function converts to MRI RAS coordinates and not to surface RAS.

posarray, shape (n_pos, 3)

The coordinates (in m) in head coordinate system


Name of the subject.

mri_head_t: instance of Transform

MRI<->Head coordinate transformation

subjects_dirstr, or None

Path to SUBJECTS_DIR if it is not set in the environment.

verbosebool, str, int, or None

If not None, override default verbose level (see mne.verbose() and Logging documentation for more).

coordinatesarray, shape (n_pos, 3)

The MNI coordinates (in mm) of pos


This function requires either nibabel (in Python) or Freesurfer (with utility “mri_info”) to be correctly installed.