This page is a reference documentation. It only explains the function signature, and not how to use it. Please refer to the user guide for the big picture.

8.2.22. nilearn.datasets.fetch_localizer_button_task

nilearn.datasets.fetch_localizer_button_task(data_dir=None, url=None, verbose=1)[source]

Fetch left vs right button press contrast maps from the localizer.

data_dirpathlib.Path or str, optional

Path where data should be downloaded. By default, files are downloaded in home directory.

urlstr, optional

URL of file to download. Override download URL. Used for test only (or if you setup a mirror of the data). Default=None.

verboseint, optional

Verbosity level (0 means no message). Default=1.


Dictionary-like object, the interest attributes are :

  • ‘cmaps’: string list, giving paths to nifti contrast maps

  • ‘tmap’: string, giving paths to nifti contrast maps

  • ‘anat’: string, giving paths to normalized anatomical image


This function is only a caller for the fetch_localizer_contrasts in order to simplify examples reading and understanding. The ‘left vs right button press’ contrast is used. Examples using nilearn.datasets.fetch_localizer_button_task