What causes auditory hallucinations in the brain? For example, when you are sleep deprived, it is possible to hear things very clearly as if they were real. For example, voices of people talking, which some people with schizophrenia experience commonly in their daily lives. But of course there is no input from the ears. So what exactly is happening and how is that possible?
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Can you hear what I have written here in your head? Have you a favorite song that you can recall? The sounds of the music, not just the name of the song. Your brain is creating these “sounds” for you. When you hallucinate, you perceive something that is not present.
The examples I gave are not hallucinations, because you “know” the cause is your own thought process. This means you have the ability to create “sounds” in your head, you do it all the time.
Any hallucination is created in you mind, but by another, subconscious, part of the brain. It can also alter the things you hear and see, so much so that you don’t recognize them as real, and so you have a feeling they are not real.
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