"This idea of dualism has gradually lost popularity among scientists" - уже здесь пошло необоснованно обощенное утверждение. Далее:
"because if you were to measure what all the particles in your brain are doing and find that they perfectly obey the laws of physics, then that would mean that this purported soul is having absolutely no effect on what you're doing" - опять же, бездоказательное утверждение... Слушаю дальше...