perhaps ... which temporarily impaired her executive function.
It might not be temporary. Doctors told her that it might come back, but it might never be at full power as before.
What is the point of quieting your inner monologue? o-O
Repetitive and unhelpful thoughts. Rumination.
Well, if the thoughts are bad, they can lead to anxiety and torment, so removing them can alleviate these feelings, or so the thinking goes. But perhaps the causal relationship between the two is the reverse? Interesting to consider.