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- W2095447303 abstract "Single-unit activity, characteristic of serotonergic neurons, was recorded in the dorsal raphe nucleus of urethane-anesthetized rats pretreated twice daily with saline or with 10.0 mg/kg d-amphetamine for 6 days. Compared to controls, amphetamine-pretreated animals showed a trend toward increased spontaneous firing rate and decreased responsiveness to 5-methoxy-N,N-dimethyltryptamine (5-MeODMT), a serotonergic autoreceptor agonist. The most pronounced effect of amphetamine pretreatment, however, was a highly significant correlation between spontaneous neuronal activity, measured as either firing rate or interspike interval, and the 5-MeODMT response. Faster firing cells required predictably higher doses of 5-MeODMT to produce an inhibition. No such relationship was observed in control animals. Taken together, these results suggest that repeated administration of relatively high doses of amphetamine produces complex changes in the dorsal raphe nucleus, including a shift in the sensitivity of serotonergic autoreceptors." @default.
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- W2095447303 title "Serotonergic dorsal raphe neurons: Changes in spontaneous neuronal activity and responsiveness to 5-MeODMT following long-term amphetamine administration" @default.
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- W2095447303 doi "https://doi.org/10.1016/0304-3940(89)90489-8" @default.
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