Answer:
the answer is All of the above
Addiction refers to a brain disorder characterized by a compulsive engagement in rewarding stimuli despite bad consequences.
Neurotransmitters are chemical messengers used by the nervous system to transmit messages between neurons. Neurotransmitters are strongly associated with addictive behaviors because the brain changes the production of these substances in response to certain drugs and/or stimuli. Moreover, drugs may alter interfere with the mode in which a neuron sends and processes signals through neurotransmitters. For example, marijuana is able to activate neurons by mimicking neurotransmitters. Moreover, dopamine is a neurotransmitter that is released in response to drugs, thereby showing a pleasure/reward effect.
The limbic system is a set of brain structures located within the cerebrum of the brain (below the temporal lobes), which is involved in controlling emotional behaviors. Drugs interact with the limbic system to release intense good emotions that affect the individual's body and mind.
The reward pathway, also known as the mesolimbic pathway, is located within the mid-brain and is a part of the limbic system. The reward pathway is recognized to play a role in drug addiction by acting as a detector of rewarding stimuli. In this regard, it has been shown that dopamine is the most important neurotransmitter in the reward pathway in addiction.
Therefore, all these components and structures of the brain are involved in addictive behaviors
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