I forgot to say what I’ve done to relearn as well.
I do chakra work, using an exercise from EA’s book Questing After Visions. I do sense meditations, where you try to extend the 5 senses beyond their usual range. I have also asked spirits to help open my senses, like Paralda, the Elemental King of Air.
I have also used the angelic language mantra @Micah posted here: