Norepinephrine-Containing Neurons: Changes in Spontaneous Discharge Patterns during Sleeping and Waking
- 2 March 1973
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 179 (4076) , 908-910
- https://doi.org/10.1126/science.179.4076.908
Abstract
Intracranial injection of 10 to 75 micrograms of camptothecin, a plant alkaloid that blocks RNA synthesis in eucaryotic cells, blocks incorporation of tritiated uridine into RNA in the goldfish brain. Injection of 10 to 50 micrograms of the drug within 1.5 hours of training results in greatly diminished memory, tested 1 week later. Injection of the drug 5 or 24 hours after training produces no measurable effect on retention of the learned response.Keywords
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