It seems that we can doubt everything, even the existence of the external world — but we cannot doubt the existence of consciousness! However, there are many pitfalls here. About this, read the article published by "Knife".
Some believe that consciousness is an area of absolute certainty. For example, I can't be wrong about whether I'm in pain or not. But what to do with experiments that claim the opposite, as well as with philosophical arguments against the reliability of consciousness? Anton Kuznetsov, a researcher at the Moscow Center of Consciousness Studies at the Faculty of Philosophy of Moscow State University, and Vadim Vasiliev, a corresponding member of the Russian Academy of Sciences, oppose radical skepticism and explain why you should not believe those who call consciousness an illusion.