The cholinergic input from the lateral dorsal tegmental area (LDTg) modulates the dopamine cells of the ventral tegmental area (VTA) and plays an important role in cocaine taking. Specific pharmacological agents that block or stimulate muscarinic receptors in the LDTg
An in vivo pharmacological study on muscarinic receptor subtypes regulating cholinergic neurotransmission in rat striatum.
Pharmacology, biochemistry, and behavior, 33(3), 545-548 (1989-07-01)
CD-1 mice were trained in a classically conditioned emotional response paradigm and tested 24 hr later. Exposure to an open field 0 or 1, but not 3 hr after training retroactively interfered with retention of the conditioned emotional response. The
In a companion study (Carnicella et al., 2005), we showed that the muscarinic antagonist atropine, when administered after extensive training during both conditioning and testing, affected neither cued nor contextual fear memories when both of them did not compete for
Immobility during forced swimming or after mild footshock (1 mA for 2 sec) was observed in five groups of rats. The Flinders Sensitive Line (FSL) of rats, known to be more sensitive to cholinergic agonists, exhibited the greatest degree of
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