Objective The search for the fundamental mechanisms of learning and experience-dependent memory formation in the brain has long been a central quest in neuroscience. The neocortex is a particularly relevant region for plasticity because it is involved in sensory, motor, and cognitive tasks with strong learning components. However, despite many years of intensive research our knowledge of the neuronal mechanisms of plasticity on the level of single synapses in the intact living brain is still very limited.Here I propose the use of cutting edge technology, including the ultrasensitive LOTOS procedure of in vivo two-photon calcium imaging that was developed in our laboratory, to investigate for the first time the functional properties and the plasticity of signal synapses in auditory cortical pyramidal neurons of layers 2/3, 4 and 5 in vivo. For the study of the cellular determinants of synaptic plasticity we will focus on an associative learning paradigm underlying cued fear conditioning. Importantly, this paradigm can be rapidly and effectively induced not only in awake, but also in anesthetized animals and is therefore ideally suited for these studies. In addition to a comprehensive analysis of wild type animals, we will perform experiments in mouse models of Alzheimer’s disease (AD), aiming to identify the cellular cause of the devastating impairment of memory formation observed in patients suffering from AD. Fields of science natural sciencesbiological sciencesneurobiologymedical and health sciencesbasic medicineneurologydementiaalzheimernatural scienceschemical sciencesinorganic chemistryalkaline earth metals Programme(s) FP7-IDEAS-ERC - Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Topic(s) ERC-AG-LS5 - ERC Advanced Grant - Neurosciences and neural disorders Call for proposal ERC-2012-ADG_20120314 See other projects for this call Funding Scheme ERC-AG - ERC Advanced Grant Host institution TECHNISCHE UNIVERSITAET MUENCHEN EU contribution € 2 404 800,00 Address Arcisstrasse 21 80333 Muenchen Germany See on map Region Bayern Oberbayern München, Kreisfreie Stadt Activity type Higher or Secondary Education Establishments Administrative Contact Ulrike Ronchetti (Ms.) Principal investigator Arthur Konnerth (Prof.) Links Contact the organisation Opens in new window Website Opens in new window Total cost No data Beneficiaries (1) Sort alphabetically Sort by EU Contribution Expand all Collapse all TECHNISCHE UNIVERSITAET MUENCHEN Germany EU contribution € 2 404 800,00 Address Arcisstrasse 21 80333 Muenchen See on map Region Bayern Oberbayern München, Kreisfreie Stadt Activity type Higher or Secondary Education Establishments Administrative Contact Ulrike Ronchetti (Ms.) Principal investigator Arthur Konnerth (Prof.) Links Contact the organisation Opens in new window Website Opens in new window Total cost No data