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Both nicotinic cholinergic and NMDA glutaminergic systems are important for memory function. Nicotine has been found repeatedly to significantly improve working memory performance in the radial-arm maze. The NMDA antagonist dizocilpine has been found to impair working memory performance. There is neuropharmacological evidence that these two systems are functionally related. Nicotine is potent at releasing...
Nicotine has been shown to improve working memory. The neural mechanisms underlying this effect are still being determined. The ventral hippocampus is critical for nicotinic effects on memory. Local ventral hippocampal infusions of either the nicotinic α7 nicotinic receptor antagonist methyllycaconitine (MLA) or the α4β2 nicotinic receptor antagonist dihydro-β-erythroidine (DHβE) caused working memory...
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