Abstract
It is very well established - indeed dogma - that the predominant effect of opioids in the central nervous system is to depress neuronal function and inhibit the release of neurotransmitters (see[1]). When excitatory opioid actions are observed, they are usually attributed to disinhibition[2], i.e., opioids are known to inhibit inhibitory neurons and thus cause excitation.
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Gintzler, A.R. (1995). Relevance of Opioid Bimodality to Tolerance/Dependence Formation. In: Sharp, B.M., Eisenstein, T.K., Madden, J.J., Friedman, H. (eds) The Brain Immune Axis and Substance Abuse. Advances in Experimental Medicine and Biology, vol 373. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1951-5_11
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DOI: https://doi.org/10.1007/978-1-4615-1951-5_11
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