(fill in the blank)

Addictive drugs produce changes in one particular group of synapses that use the neurotransmitter _______________.

Dopamine. The neurotransmitter plays an important role in addiction, and acts as adrenaline and affects the ability to feel pleasure and pain, emotional response and movement control. Drugs can affect these abilities by either stimulate or fail to stimulate the receptors of dopamine.

dopamine

Addictive drugs produce changes in one particular group of synapses that use the neurotransmitter dopamine.

To confirm this answer, one can refer to reliable sources such as scientific journals, textbooks, or reputable websites that discuss the effects of addictive drugs on the brain. These sources often describe how drugs like cocaine, methamphetamine, and opioids interact with the dopamine system, leading to addictive behaviors. By examining the neurochemical mechanisms involved, it becomes evident that dopamine plays a significant role in the processes of addiction.