HED specification


The HED specification document formalizes the syntax and behavior of HED (Hierarchical Event Descriptors) vocabulary, annotations, and supporting tools. The specification supports three versions of the specification:

  • develop - development branch which is under discussion.

  • latest - includes revisions approved by the HED Working Group but not released.

  • stable - the latest released form.

For more information about HED see The HED project homepage and the HED resources page.


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