What you are looking at is thermal pattern scanning of skin to show variations in temperature. So we now know that your new chiropractor uses Palmer Atlas Manipulation.
Some questions:
Do you or your parents know what these procedures involve?
Have you talked to your neurologist about this?
Have you seen a video on the procedure?
How well have you research this procedure by using neurological sites - not by reading PR by those that perform this procedure?
Here's an article on scanning.
https://www.chirobase.org/06DD/thermography.html