How do chemical imbalances cause hallucinations and other mental symptoms?

I don’t understand how chemical imbalances can cause hallucinations.

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What don’t you understand?
It’s pretty simple, I think

I’d like more information. I can Google it.

Yes, you can do that. What kind of hallucinations do you have? I have all kinds

Do you still have them? Are you on meds?

I think they stopped in 2013. I’m on two antipsychotics now: Abilify 5mg & Seroquel 400mg.

No symptoms anymore? You are lucky

I don’t have any hallucinations but I have all kinds of other symptoms that interfere with my life.

Like? Delusions?

neurotransmitters, I guess.

misfiring. not sure why they call that chemical either.

Actually it’s likely some parts of our brain go awry and begin getting out of sync. Normally there would be only one inner voice, subject to one’s own (main) volitional power. But with voices, it’s as if the willpower got split into several parts. Our own identity is still there but it’s weaker, while a new identity occurs alongside it and speaks to us in strange voices.

The neurochemical imbalance is only a marker but it’s probably not the main cause. Antipsychotics have been discovered serendipitously and their mechanism of action is still not fully understood.

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NMDA receptors interpret sensory input from your five senses. When they are hypofunctional, there aren’t enough of them to properly process the sensory input, so there ends up being a void, a gap, in processing, that the brain needs to fill up with something, so it uses its creative faculties to come up with filler data, namely, hallucinations.

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Delusions, paranoia, isolation, depression, anxiety, lack of pleasure and motivation and more

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Antipsychotics are primarily dopamine receptor d2 antagonists, these receptors are known to be activated by hallucinogens like LSD. If I’m not mistaken if you are admitted to the hospital in the midst of a trip they give you Thorazine to abort it. Thus a drug that causes hallucinations activated receptors that are inhibited by antipsychotics.

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