Descartes on Thought - response to thought experiment 2

Descartes theory of reality is based on dualism. His theory of Metaphysical dualism suggests that reality exists in two forms: physical and mental. Previous thought experiments that were done attempt to separate mind and body to support Descartes theory. Although not all of them that I've have done completely separate mind and body, they do establish a difference between the physical and mental world at least enough to support that the mental world exists. While meditating I noticed a difference between these two 'worlds' when I could block out most of my senses (physical world) and focus only on my thoughts (mental world). Also, Descartes proves his theory of reality true though basing his ideas on thought. For example, Descartes makes his proof of the existence of God by using his principle: I think therefore I am. Because his thoughts are completely separate and unrelated to the senses his entire philosophy stems from the mental world which Descartes knows is true. Also supported in previous thought experiments is the idea that truth comes from thought. In the thought experiments, the senses have consistently been unreliably while thought and mental activity has stayed the same.