Certain chemicals can drastically alter the brain's perception of sensory input, resulting in hallucinations. If I read a poem by myself, I certainly interpret it in the light of my own experiences. But I don't have to read the entire corpus of commentaries on it in order to find meaning. An educated mind is useless without a focused will, and dangerous without a loving heart. Now some points regarding comparison between Human Brain Vs.
Human brain is a computer.
A computer is not intelligent. It cannot act on its own. Now some points regarding comparison between Human Brain Vs. Human brain is a computer.