Welcome to the forum Digwener

I also started out with the Stephen LaBerge book and MILD targets and it is indeed a really powerful method for practising prospective memory.

What is the Dual N- back working memory training though? I've never heard of it. Sounds interesting.

To join a community will give positive effects to your progress, because sharing and reading experiences is both, entertaining, motivating and useful for the practise.
I wish you sweet dreams and enjoy your stay