Grants & Projects per year
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Research interests
Our goal is to unveil how experience and learning modify the connectivity and excitability of neuronal circuits and how these changes affect behavior. Much of our work focuses on how inhibitory transmission and plasticity sculpts cortical activity, and on the integration of excitation and inhibition in distinct neuron groups and circuits.
To gain information about general principles guiding the ability of neural circuits to respond to experience and learning, we perform our studies in three cortical regions that differ in anatomical organization and driving input: gustatory, visual and motor cortices. In addition to investigating healthy brain circuits, we apply our studies to animal models of neurodevelopmental and neurodegenerative disorders to assess which aspects of neural circuit activity may be altered in pathological conditions.
We use manipulation of sensory drive, pharmacological, optogenetic or chemogenetic manipulations of specific neuron groups and/or behavioral training to perturb activity and analyze of circuits respond to change using behavioral analysis, electrophysiology in acute slice preparation and in vivo as well as calcium imaging.
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Collaborations and top research areas from the last five years
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Cortical Circuits and Neurotransmitters for Taste Aversion Learning
Maffei, A. (PI) & Fontanini, A. (CoPI)
National Inst on Deafness & Other Comm Disorders
09/18/25 → 06/30/27
Project: Research
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Functional role of Gastrin Releasing Peptide (GRP) and GRP expressing neurons in the gustatory cortex
Fontanini, A. (PI) & Maffei, A. (CoPI)
National Inst on Deafness & Other Comm Disorders
06/9/23 → 05/31/27
Project: Research
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Cortical Mechanisms for the Postnatal Development of Taste Preference
Maffei, A. (PI)
National Inst on Deafness & Other Comm Disorders
08/15/21 → 05/31/27
Project: Research
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Thomas Hartman Center for Parkinson's Research
Fontanini, A. (PI), Bowen, M. E. (CoI), Collins III, W. (CoI), Colognato, H. (CoI), Hu, C.-K. (CoI), Kritzer, M. (CoI), Lamberg, E. M. (CoI), Leung, H. C. (CoI), Maffei, A. (CoI), Maurer, C. (CoI), Muratori, L. M. (CoI), Neiman, A. (CoI), Plotkin, J. (CoI), Puopolo, M. (CoI), Riessland, M. (CoI), Schwartz, G. (CoI), Shelly, M. (CoI), Sher, R. (CoI), Shrestha, P. (CoI), Sirotkin, H. I. (CoI), Solomon, I. C. (CoI), Thomsen IV, G. H. (CoI), Wollmuth, L. (CoI), Wu, S. (CoI), Xiong, Q. (CoI), Role, L. (PI), Christodoulou, C. (CoI), Evinger, L. (CoI), Halegoua, S. (CoI), Huang, C. (CoI), Levine, J. (CoI), Lutterbie, J. (CoI), Manganas, L. (CoI), Matthews, G. (CoI), Park, I. M. (CoI) & Talmage, D. (CoI)
04/15/13 → 08/31/27
Project: Research
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Postnatal Development of Pyramidal Neurons Excitability and Synaptic Inputs in Mouse Gustatory Cortical Circuits
Schiff, H. & Maffei, A., Apr 2026, In: eNeuro. 13, 4, ENEURO.0329-25.2026.Research output: Contribution to journal › Article › peer-review
Open Access -
Amyloid-beta glycation induces neuronal mitochondrial dysfunction and Alzheimer’s pathogenesis via VDAC1-dependent mtDNA efflux
Akhter, F., Akhter, A., Zhu, X., Schiff, H., Maffei, A., Douglas, J. T., Zhou, Q., Zhao, Z. & Zhu, D., Nov 25 2025, In: Proceedings of the National Academy of Sciences of the United States of America. 122, 47, e2505046122.Research output: Contribution to journal › Article › peer-review
Open Access -
Editorial: Paradigm shifts and innovations in cellular neuroscience
Cherubini, E., Maffei, A., D'Angelo, E., Hermann, D. M., Tremblay, M. È. & Hansel, C., 2025, In: Frontiers in Cellular Neuroscience. 19, 1644329.Research output: Contribution to journal › Editorial
Open Access -
Modulation of sweet preference by neurosteroid-sensitive, δ-GABAA receptors in adult mouse gustatory insular cortex
Yevoo, P. E., Fontanini, A. & Maffei, A., Mar 10 2025, In: Current Biology. 35, 5, p. 1047-1060.e4Research output: Contribution to journal › Article › peer-review
Open Access -
Altered Thalamocortical Signaling in a Mouse Model of Parkinson’s Disease
Swanson, O. K., Yevoo, P. E., Richard, D. & Maffei, A., Aug 23 2023, In: Journal of Neuroscience. 43, 34, p. 6021-6034 14 p.Research output: Contribution to journal › Article › peer-review
Open Access