The development of dependence can be considered as part of a learning process in the sense that the interactions between psychoactive substances and environments associated with them produce lasting behavioral changes.
stimuli associated with food, water and the couple, they activate specific pathways and reinforce behaviors that lead to achieving the respective goals.
Psychoactive drugs artificially activate these same pathways, but very intense, leading to increased motivation to continue with this behavior.
Thus, the dependence is the result of a complex interplay of physiological effects of substances on brain areas associated with pleasure, motivation and emotion, combined with learning about the relationship between substances and related signals them.
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