Patients with Alzheimers disease appear to have a smaller amount of these neurotransmitters due to the degeneration of brain cells.. Although the mechanism of action is unknown, this medication works by blocking the Dopamine Type2 and Serotonin Type2 receptors in the brain, balancing out the chemical over activity. This medication decreases hallucinations, improves concentration and helps reduce or prevent anxiety and mood swings.. Aripiprazole works on the dopamine and serotonin receptors and helps stabilize the dopamine activity, thus rebalancing the brain. Quetiapine has also proven to be effective for the treatment of less aggressive generic aricept conditions, including insomnia and anxiety disorders. Psychotic illnesses are believed to be caused by disturbances in the activity of some of these neurotransmitters, especially dopamine and serotonin. Neurotransmitters generic seroquel are natural compounds in the brain responsible for transmitting messages between the nerve cells. Donepezil increases the amount of the Acetylcholine neurotransmitter which improves cognitive processes, daily functioning and the general symptoms of dementia in patients.