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Neurosci Res. 1988 Jun;5(5):465-73.

Dopamine enhances the neuronal activity of spatial short-term memory task in the primate prefrontal cortex.

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  • 1Department of Neurophysiology, Kyoto University, Inuyama City, Aichi, Japan.


The influence of dopamine and its antagonists on neuronal activity related to the delay period of a delayed response task was examined in the monkey prefrontal cortex. Iontophoretically applied dopamine enhanced the delay-related neuronal activity, while fluphenazine and haloperidol attenuated the activity. Sulpiride had no effect on the activity. The results suggest that dopamine promotes processing of spatial short-term memory by increasing memory-related activity in the primate prefrontal cortex, probably via D1-type dopamine receptor.

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