Caulfield, M.P. & Birdsall, N.J. Classification of muscarinic acetylcholine receptors. Pharmacol. Rev.50, 279–290 (1998). CASPubMed Google Scholar
Fornari, R.V., Moreira, K.M. & Oliveira, M.G. Effects of the selective M1 muscarinic receptor antagonist dicyclomine on emotional memory. Learn. Mem.7, 287–292 (2000). ArticleCAS Google Scholar
Wallis, R.M. & Napier, C.M. Muscarinic antagonists in development for disorders of smooth muscle function. Life Sci.64, 395–401 (1999). ArticleCAS Google Scholar
Levey, A.I., Kitt, C.A., Simonds, W.F., Price, D.L. & Brann, M.R. Identification and localization of muscarinic acetylcholine receptor proteins in brain with subtype-specific antibodies. J. Neurosci.11, 3218–3226 (1991). ArticleCAS Google Scholar
Wei, J., Walton, E.A., Milici, A. & Buccafusco, J.J. m1-m5 muscarinic receptor distribution in rat CNS by RT-PCR and HPLC. J. Neurochem.63, 815–821 (1994). ArticleCAS Google Scholar
Marino, M.J., Rouse, S.T., Levey, A.I., Potter, L.T. & Conn, P.J. Activation of the genetically defined m1 muscarinic receptor potentiates N-methyl-D-aspartate (NMDA) receptor currents in hippocampal pyramidal cells. Proc. Natl. Acad. Sci. USA95, 11465–11470 (1998). ArticleCAS Google Scholar
Hamilton, S.E. & Nathanson, N.M. The M1 receptor is required for muscarinic activation of mitogen-activated protein (MAP) kinase in murine cerebral cortical neurons. J. Biol. Chem.276, 15850–15853 (2001). ArticleCAS Google Scholar
Hamilton, S.E. et al. Disruption of the m1 receptor gene ablates muscarinic receptor-dependent M current regulation and seizure activity in mice. Proc. Natl. Acad. Sci. USA94, 13311–13316 (1997). ArticleCAS Google Scholar
Anagnostaras, S.G., Maren, S., Sage, J.R., Goodrich, S. & Fanselow, M.S. Scopolamine and Pavlovian fear conditioning in rats: dose-effect analysis. Neuropsychopharmacology21, 731–744 (1999). ArticleCAS Google Scholar
Anagnostaras, S.G., Maren, S. & Fanselow, M.S. Temporally graded retrograde amnesia of contextual fear after hippocampal damage in rats: within-subjects examination. J. Neurosci.19, 1106–1114 (1999). ArticleCAS Google Scholar
Levy, A., Kluge, P.B. & Elsmore, T.F. Radial arm maze performance of mice: acquisition and atropine effects. Behav. Neural Biol.39, 229–240 (1983). ArticleCAS Google Scholar
Olton, D., Becker, J. & Handelmann, G. Hippocampus, space and memory. Behav. Brain Sci.2, 313–365 (1979). Article Google Scholar
Hagen, J.J., Tweedie, F. & Morris, R.G.M. Lack of task specificy and absence of post-training effects of atropine on learning. Behav. Neurosci.100, 483–493 (1986). Article Google Scholar
Morris, R.G.M., Garrud, P., Rawlins, J.N.P. & O'Keefe, J. Place navigation impaired in rats with hippocampal lesions. Nature297, 681–683 (1982). ArticleCAS Google Scholar
Winslow, J.T. & Camacho, F. Cholinergic modulation of a decrement in social investigation following repeated contacts between mice. Psychopharmacology (Berl.)121, 164–172 (1995). ArticleCAS Google Scholar
Kogan, J.H., Frankland, P.W. & Silva, A.J. Long-term memory underlying hippocampus-dependent social recognition in mice. Hippocampus10, 47–56 (2000). ArticleCAS Google Scholar
Huerta, P.T. & Lisman, J.E. Bidirectional synaptic plasticity induced by a single burst during cholinergic theta oscillation in CA1 in vitro. Neuron15, 1053–1063 (1995). ArticleCAS Google Scholar
Kim, J.J. & Fanselow, M.S. Modality-specific retrograde amnesia of fear. Science256, 675–677 (1992). ArticleCAS Google Scholar
Phillips, R.G. & LeDoux, J.E. Differential contribution of amygdala and hippocampus to cued and contextual fear conditioning. Behav. Neurosci.106, 274–285 (1992). ArticleCAS Google Scholar
Rudy, J.W. Scopolamine administered before and after training impairs both contextual and auditory-cue fear conditioning. Neurobiol. Learn. Mem.65, 73–81 (1996). ArticleCAS Google Scholar
Gale, G.D., Anagnostaras, S.G. & Fanselow, M.S. Cholinergic modulation of Pavlovian fear conditioning: effects of intra-hippocampal scopolamine infusion. Hippocampus11, 371–376 (2001). ArticleCAS Google Scholar
Wallenstein, G.V. & Vago, D.R. Intrahippocampal scopolamine impairs both acquisition and consolidation of contextual fear conditioning. Neurobiol. Learn. Mem.75, 245–252 (2001). ArticleCAS Google Scholar
Anagnostaras, S.G., Josselyn, S.A., Frankland, P.W. & Silva, A.J. Computer-assisted behavioral assessment of Pavlovian fear conditioning in mice. Learn. Mem.7, 58–72 (2000). ArticleCAS Google Scholar
Maren, S., Anagnostaras, S.G. & Fanselow, M.S. The startled seahorse: is the hippocampus necessary for contextual fear conditioning? Trends Cogn. Sci.2, 39–42 (1998). ArticleCAS Google Scholar
Frankland, P.W., O'Brien, C., Ohno, M., Kirkwood, A. & Silva, A.J. Alpha-CaMKII-dependent plasticity in the cortex is required for permanent memory. Nature411, 309–313 (2001). ArticleCAS Google Scholar
Anagnostaras, S.G., Gale, G.D. & Fanselow, M.S. Hippocampus and contextual fear conditioning: recent controversies and advances. Hippocampus11, 8–17 (2001). ArticleCAS Google Scholar
Phillips, R.G. & LeDoux, J.E. Lesions of the dorsal hippocampal formation interfere with background but not foreground contextual fear conditioning. Learn. Mem.1, 34–44 (1994). CASPubMed Google Scholar
Frankland, P.W., Cestari, V., Filipkowski, R.K., McDonald, R.J. & Silva, A.J. The dorsal hippocampus is essential for context discrimination but not for contextual conditioning. Behav. Neurosci.112, 863–874 (1998). ArticleCAS Google Scholar
Maren, S., Aharonov, G. & Fanselow, M.S. Neurotoxic lesions of the dorsal hippocampus and Pavlovian fear conditioning in rats. Behav. Brain Res.88, 261–274 (1997). ArticleCAS Google Scholar
Bontempi, B., Laurent-Demir, C., Destrade, C. & Jaffard, R. Time-dependent reorganization of brain circuitry underlying long-term memory storage. Nature400, 671–675 (1999). ArticleCAS Google Scholar
Cain, D.P. Testing the NMDA, long-term potentiation, and cholinergic hypotheses of spatial learning. Neurosci. Biobehav. Rev.22, 181–193 (1998). ArticleCAS Google Scholar
Gerber, D.J. et al. Hyperactivity, elevated dopaminergic transmission, and response to amphetamine in M1 muscarinic acetylcholine receptor-deficient mice. Proc. Natl. Acad. Sci. USA98, 15312–15317 (2001). ArticleCAS Google Scholar
Miyakawa, T., Yamada, M., Duttaroy, A. & Wess, J. Hyperactivity and intact hippocampus-dependent learning in mice lacking the M1 muscarinic acetylcholine receptor. J. Neurosci.21, 5239–5250 (2001). ArticleCAS Google Scholar
Squire, L.R. Memory and the hippocampus: a synthesis from findings with rat, monkeys, and humans. Psychol. Rev.99, 195–231 (1992). ArticleCAS Google Scholar
Silva, A.J., Paylor, R., Wehner, J.M. & Tonegawa, S. Impaired spatial learning in alpha-calcium-calmodulin kinase II mutant mice. Science257, 206–211 (1992). ArticleCAS Google Scholar
Mayford, M. et al. Control of memory formation through regulated expression of a CaMKII transgene. Science274, 1678–1683 (1996). ArticleCAS Google Scholar
Bourtchuladze, R. et al. Deficient long-term memory in mice with a targeted mutation of the cAMP-responsive element-binding protein. Cell79, 59–68 (1994). ArticleCAS Google Scholar
Hamilton, S.E. et al. Alteration of cardiovascular and neuronal function in M1 knockout mice. Life Sci.68, 2489–2493 (2001). ArticleCAS Google Scholar
Eichenbaum, H., Otto, T. & Cohen, N. Two functional components of the hippocampal memory system. Behav. Brain Sci.17, 449–518 (1994). Article Google Scholar
Olton, D.S. Discrimination reversal performance after hippocampal lesions: an enduring failure of reinforcement and non-reinforcement to direct behavior. Physiol. Behav.9, 353–356 (1972). ArticleCAS Google Scholar
Konorski, J. Integrative Activity of the Brain (Univ. of Chicago Press, Chicago, Illinois, 1967).
Fransen, E., Alonso, A.A. & Hasselmo, M.E. Simulations of the role of the muscarinic-activated calcium-sensitive nonspecific cation current INCM in entorhinal neuronal activity during delayed matching tasks. J. Neurosci.22, 1081–1097 (2002). ArticleCAS Google Scholar
Dias, R. & Aggleton, J.P. Effects of selective excitotoxic prefrontal lesions on acquisition of nonmatching and matching-to-place in the T-maze in the rat: differential involvement of the prelimbic-infralimbic and anterior cingulate cortices in providing behavioural flexibility. Eur. J. Neurosci.12, 4457–4466 (2000). ArticleCAS Google Scholar
D'Esposito, M. & Postle, B.R. The dependence of span and delayed-response performance on prefrontal cortex. Neuropsychologia37, 1303–1315 (1999). ArticleCAS Google Scholar
Hasselmo, M. Neuromodulation: acetylcholine and memory modulation. Trends Cogn. Sci.3, 351–359 (1999). ArticleCAS Google Scholar
Buzsaki, G. Two-stage model of memory trace formation: a role for “noisy” brain states. Neuroscience31, 551–570 (1989). ArticleCAS Google Scholar
Alreja, M. et al. Muscarinic tone sustains impulse flow in the septohippocampal GABA but not cholinergic pathway: implications for learning and memory. J. Neurosci.20, 8103–8110 (2000). ArticleCAS Google Scholar
Shiozaki, K., Iseki, E., Hino, H. & Kosaka, K. Distribution of m1 muscarinic acetylcholine receptors in the hippocampus of patients with Alzheimer's disease and dementia with Lewy bodies-an immunohistochemical study. J. Neurol. Sci.193, 23–28 (2001). ArticleCAS Google Scholar
Levey, A.I., Edmunds, S.M., Koliatsos, V., Wiley, R.G. & Heilman, C.J. Expression of m1–m4 muscarinic acetylcholine receptor proteins in rat hippocampus and regulation by cholinergic innervation. J. Neurosci.15, 4077–4092 (1995). ArticleCAS Google Scholar
Bussiere, T. et al. Stereologic assessment of the total cortical volume occupied by amyloid deposits and its relationship with cognitive status in aging and Alzheimer's disease. Neuroscience112, 75–91 (2002). ArticleCAS Google Scholar