Rishabha, Yes this is related to the difficulty switching away from the frontal part of the subtle head.

The book mentioned as well as the statements given are by Yogeshwarananda. The book is "Science of Divine Lights."

https://www.exoticindiaart.com/book/details/science-of-divine-lights-latest-research-on-self-and-god-realization-by-medium-of-154-divine-lights-idf902/