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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Say you have a microphone at point A, wired to a speaker at point B. Then someone connects a computer to that same wire and uses the connected speaker to play a .wav file.
The speaker would play the file just like it would play the microphone input, and if the sound was enough like something that the mic might realistically pick up, someone listening might not be able to tell the difference.
The microphone is like our ears and the hallucination is like the .wav file. It’s not affecting the microphone directly, it’s hijacking the process that normally interprets the microphones output.
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