IMPORTANT :
this documentation is for the "Classic" (PHP-based) version 4 of Brain Annex. As of version 5, released in Beta in Dec. 2021, the internals of Brain Annex have been completely overhauled to a Python/Neo4j implementation. Details
=> FOR THE DOCUMENTATION OF THE NEW VERSION (v. 5) of Brain Annex, go here.
However, the UI is still generally-recognizable from what was shown in the Screen shots section and in the following 2 short intro videos:
Screen shots (v. 4)
1. Usage Examples and Screenshots for Power Users (v. 4)