Brain language is about talking to yourself in the right way. It’s about how you mind has to visualise or think about something before it can move on to the next step. For instance if you see a sign saying please do not walk on the grass, the first thing you have to think about is walking on the grass and then you process the negative part of the sentence. This is because the negative is thought about after the act, so a more effective sign would be please walk on the pavement. This is the essence of brain language avoid using a negative.
To put this in to the topic of anxiety it would be I will be relaxed today instead of I will not be anxious today. So the end result would be thinking about being relaxed not thinking about being anxious then contorting the image/thought to deal with the negative.
Like the images above you can look at a thought in two ways, I will be relaxed or I will not be anxious. The positive notion or the negative notion. The positive phrasing will always work better with your brain and help controlling your anxiety.
Combining brain language with thought control techniques like chat-back would work rather well together because you can use the positive language to aid in the brain’s cognition of the thoughts.