What Makes Descartes Dream Argument

Through Descartes first three meditations he arrives at a conclusion that the only things we know with absolute certainty are, that my own thoughts and god exist. He solidifies this stance by two foundational arguments laid out in the first meditation to build off of. I find that these arguments to reach these beliefs to be flawed by Descartes own reasoning and by scientific advancements made since his time. Before I can debate these arguments I need to outline Descartes purpose and reasoning for them. Then I will present my case and justifications on why Descartes process of reaching his beliefs is unconvincing.

Descartes opens the meditations by noting that many things he accepted as true as a child are actually false. QUOTE, Descartes
QUOTE, The process if lucid dreaming allows one to become conscious if what is perceive is a dream. Techniques like glancing at a clock in your dream you will discover you cannot distinctly see the face. Once you are aware you are sleeping you can manipulate and control the experiences in your dream. Abilities unparalleled in reality. I will grant that this does not remove all possible skepticism but cracks the structure of his argument. The process if lucid dreaming takes practice and is not completely reliable, it does remove some of the skepticism regarding the dream argument. What shatters the argument is that we can also prove that our consciousness is actually connected to our physical brains. QUOTE, Science over the centuries has shown the remarkable complexity of the human brain. Leading us to know what parts of the brain are responsible for specific cognitive functions. Expanding on this we know that damage to specific areas can affect memory, mental capacities, and emotions. From here is near impossible to believe our coherent flow of thoughts exists but that no physical matter does, our brain and mind are indivisible. The second pillar of Descartes beliefs is the evil demon argument. What we know as universal truths are implanted lies by an evil entity greater than ourselves. QUOTE, Descartes believes that his thoughts and god exist, but with the evil demon argument, they are not immune to skepticism. So our thoughts are not our own but put there by an evil entity, or as proven possible, by subliminal messaging, I find it hard to assent to any belief if this is considered. How can Descartes confidently believe anything if he can't believe his thoughts are his own or exist. This creates a paradox of refuting