"Downregulation" refers to a process where repeated exposure to a drug increases the number of receptor sites on neurons that the drug activates.

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Downregulation actually refers to the opposite process, where repeated exposure to a drug decreases the number of receptor sites on neurons that the drug activates. This can lead to a decrease in the drug's effectiveness and potentially to tolerance or withdrawal symptoms.

"Downregulation" Refers to a Process Where Repeated Exposure to a Drug