How to represent cause and effects?

[jiversen]

Hi, using HED for the first time seriously. A couple of questions about how to best encode some ideas. I didn't see anything in the existing tags, or maybe I missed it. Of course I can add whatever, but would like your feedback on the best way to do so.

I have stimulus events and want to include information about the cause of the event (e.g. a subject-specific action type). Something like /Attribute/Cause/xxxx

I have stimulus events that have variable meaning to the participant, and are expected or unexpected. /Attribute/Reaction/xxx or /Attribute/Meaning/xxx

[bigdelys]

I assume you have already read HED tagging strategy document.

In general, you should use Participant/Effect/ for things that mean something to the participant. You should search there to see if any combination of the existing tags could be used.

For expected, there is Participant/Effect/Cognitive/Expected and you could use Participant/Effect/Cognitive/Oddball for the unexpected one.

[bigdelys]

@touryan should I close the issue?

[VisLab]

yes

…

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[VisLab]

This has been addressed in HED-3G with the Task-property/Task-effect-evidence section of the hierarchy.