The Distinguished Seminar Series features presentations by outstanding thinkers and scientists, sponsored by the Allen Institute for Brain Science. Distinguished speakers are selected based on the impact of their interdisciplinary research to the neuroscience community. Speakers spend a full day visiting with research staff, are nominated by members of the Allen Institute, and selected by a committee of peers.
We welcome members of the broader community to join us for these open seminars. See below for a schedule of upcoming speakers and view video presentations from past speakers. Seminars take place from 10:30-11:30 a.m. in the Allen Institute Auditorium. Register for the upcoming seminars below.
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Mackenzie Mathis, Harvard University | Postponed
Title coming soon
Mackenzie Mathis is a Principal Investigator at the Rowland Institute of Harvard University and will be joining the Swiss Federal Institute of Technology, Lausanne, as an Assistant Professor in 2020. More information is available at her lab website.
This seminar has been postponed. A new date will be available soon.
Surya Ganguli, Stanford University | Postponed
Title coming soon
Surya Ganguli is an Assistant Professor of Physics and member of Bio-X and the Wu Tsai Neurosciences Institute at Stanford University. More information is available at his lab website.
This seminar has been postponed. A new date will be available soon.
Anatol Kreitzer, the Gladstone Institute of Neurological Disease and the University of California, San Francisco | October 1, 2020
Title coming soon
Bang Wong, Broad Institute | February 20, 2020
Visual approaches to exploring and explaining data
Data drive scientific discovery – but only if they make sense. As the pace at which we generate data increases, there is a need to find new and innovative ways to handle the volume and complexity of the information. Visual representation has proven to be an effective tool for exploring data and explaining research results. While each goal entails different approaches to data presentation, design decisions that take advantage of our innate physiological wiring to improve perception of data will be important to both. I will present work from the Pattern Design Group at Broad Institute and our strategy for making data more accessible, comprehensible, and useful.
Bang Wong is the creative director and staff scientist at the Broad Institute of MIT and Harvard. His work focuses on developing data visualization methods and techniques to understand biomedical research data. He has written over 35 articles published by Nature Methods on the fundamental aspects of visual representation. Bang is a National Academy of Sciences Kavli Fellow and a faculty member in the Department of Art as Applied to Medicine at the Johns Hopkins University School of Medicine. More information is available at his website.
Erich D. Jarvis, Howard Hughes Medical Institute and The Rockefeller University | January 17, 2020
Molecular convergence in brain regions for song learning in birds and spoken language in humans
Dr. Jarvis seeks to know how the brain generates, perceives, and learns behavior. He and his colleagues use vocal communication as a model behavior. Emphasis is placed on the molecular pathways involved in the perception and production of learned vocalizations. Dr. Jarvis uses an integrative approach that combines behavioral, anatomical, electrophysiological, and molecular biological techniques. The main focus of study is songbirds, representing one of the few vertebrate groups that evolved the ability to learn vocalizations. The overall goal of the research is to advance knowledge of the neural mechanisms for vocal learning and basic mechanisms of brain function.
Erich D. Jarvis is an Investigator of the Howard Hughes Medical Institute and Professor at The Rockefeller University. More information is available at his lab website. His research using the Allen Brain Map was recently profiled here.
Carlos Brody, Princeton University | December 11, 2019
Collicular circuits for executive control
Carlos Brody's research concentrates on collicular contributions to decision-making and developing computational models of the circuit. How do we control routing of information within our brains? Brody's lab has studied this by adapting a well-studied primate rule-learning task to rodents requiring the subject to orient to a cue. They have found that, during the delay period, deep layer neurons of the superior colliculus (SC) encode the task rule, and after the cue is presented, they encode the side of the animal’s upcoming orienting choice. However, optogenetic inactivation of the SC during the choice formation period had no effect on choices. His lab uses computational models to ask whether dynamics in a network of SC neurons could account for all these data together. By repeatedly fitting model parameters, starting from many different initial conditions, they found a diverse set of models that were consistent with the data. These electrophysiological, optogenetic, and computational modeling data strongly constrain the collicular circuit motifs that underlie the SC’s contribution to executive control.
Carlos Brody is an Investigator of the Howard Hughes Medical Institute and is the Wilbur H. Gantz III '59 Professor in Neuroscience at Princeton University. His lab has been pushing the envelope on the complexity of cognitive tasks that rodents can perform, and has been using these tasks, together with computational and experimental approaches, to study the neural mechanisms underlying cognition.
Alcino Silva, University of California, Los Angeles | November 21, 2019
Molecular, cellular, and circuit mechanisms that open and close the window for memory linking across time
Studies of the molecular, cellular and circuit mechanisms of learning and memory have focused almost exclusively on how single memories are acquired, stored and edited. By comparison, very little is known about the mechanisms that integrate and link memories across time. Recently, we have used state of the art in vivo imaging methods, chemogenetic and optogenetic approaches in the hippocampus and retrosplinial cortex, to uncover mechanisms that open and close the window for memory linking across time. Interestingly, we showed that aging disrupts these mechanisms and that this results in age dependent decline in memory linking. Importantly, studies in our laboratory have also identified strategies to rescue these deficits.
Alcino J. Silva is director of the UCLA Integrative Center for Learning and Memory and Distinguished Professor in the Departments of Neurobiology, Psychiatry, and Psychology at the University of California, Los Angeles. He is a pioneer in the field of Molecular and Cellular Cognition. In 2002, he founded and became the first President of the Molecular and Cellular Cognition Society. In 2006/2007 he served as Scientific Director of the Intramural Program of the National Institute of Mental Health.
Danielle Bassett, University of Pennsylvania | October 30, 2019
Perturbation and Control for Human Brain Network Dynamics
The human brain is a complex organ characterized by heterogeneous patterns of interconnections. New non-invasive imaging techniques now allow for these patterns to be carefully and comprehensively mapped in individual humans, paving the way for a better understanding of how wiring supports our thought processes. While a large body of work now focuses on descriptive statistics to characterize these wiring patterns, a critical open question lies in how the organization of these networks constrains the potential repertoire of brain dynamics. This talk covers an approach for understanding how perturbations to brain dynamics propagate through complex wiring patterns, driving the brain into new states of activity. Drawing on a range of disciplinary tools – from graph theory to network control theory and optimization – Dr. Bassett covers control points in brain networks, trajectories of brain activity states following perturbation to those points, and proposes a mechanism for how network control evolves in our brains as we grow from children into adults.
Danielle S Bassett is the J Peter Skirkanich Professor at the University of Pennsylvania, with affiliations in the Departments of Bioengineering, Physics & Astronomy, Electrical & Systems Engineering, Neurology, and Psychiatry. She is also an External Professor at the Santa Fe Institute.
Nelson Spruston, HHMI Janelia Research Campus | September 12, 2019
Deciphering the function of specific cell types in memory circuits
A major goal of biology is to understand complex physiological systems in terms of their cell types. What are the cell types? How do their properties and interrelationships allow the system to function? Our progress toward understanding hippocampus-dependent spatial memory in the mouse includes our efforts to provide unified descriptions of hippocampal cell types based on gene expression, morphology, circuit integration, and cellular function. This approach has allowed us to make new discoveries about hippocampal cell types and begin to explore cell-type-specific contributions to spatial memory, and we continue to develop a better understanding of the cellular and circuit basis of spatial memory.
Nelson Spruston is the Senior Director of Scientific Programs at the Janelia Research Campus, where he leads the Science and Training team. The group coordinates a number of science-related operations at Janelia. Spruston also oversees the Gene-Targeting and Transgenics resource. Spruston's lab explores the role of the hippocampus in learning and memory with an emphasis on the properties of a diverse collection of cell types.
Karen Rommelfanger, Emory University | July 18, 2019
No longer unthinkable: Neuroethics questions for the 21st century neuroscientist
Some have dubbed our current moment as the “Golden Era of Brain Science” wherein the revolution in neuroscience has prompted scientists to ask questions that were once unthinkable. Advances in neuroscience proffer new insights into fundamental and precious features of human existence such as memories, desires, emotion, and even demarcations of life and death. Such scientific promise is not just a matter of knowledge and health, but also of commerce and national pride. Our ever-expanding global neuroscience landscape requires that we, as a society and as scientists, consider the underlying values and ethics that drive brain research across culture and continents.
Karen Rommelfanger is the Program Director of Emory University’s Neuroethics Program at the Center for Ethics and Assistant Professor in the Department of Neurology and Department of Psychiatry at Emory University.
Ivan Soltesz, Stanford University | April 24, 2019
Organization and Control of Hippocampal Circuits
Ivan Soltesz Ph.D. is the James R. Doty Professor of Neurosurgery and Neurosciences at Stanford University School of Medicine. He received his doctorate in Budapest, and conducted postdoctoral research at Oxford, London, Stanford and Dallas. He established his laboratory at UC Irvine in 1995, where he served as department Chair from 2006 until his return to Stanford in 2015. His lab is interested in the nature of inhibition in the CNS, focusing on the synaptic and cellular organization of GABAergic microcircuits in the hippocampus under normal conditions and in temporal lobe epilepsy. Dr. Soltesz’ lab employs a combination of closely integrated experimental and theoretical techniques, including closed-loop optogenetics, in vivo electrophysiology and 2P calcium imaging, AI-aided segmentation of behavior, and large-scale computational modeling methods using supercomputers. He wrote an acclaimed book on GABAergic microcircuits “Diversity in the Neuronal Machine”, and he is the recipient of several awards, including the Javits Neuroscience award from NINDS, the international Michael Prize for basic epilepsy research, and the American Epilepsy Society’s Research Recognition Award.
Sebastian Seung, Princeton University | January 10, 2019
Models of cortical learning are constrained by functional connectomics
Sebastian Seung is Anthony B. Evnin Professor in the Neuroscience Institute and Computer Science Department at Princeton University, and Chief Research Scientist at Samsung Electronics. Seung has done influential research in both computer science and neuroscience. Over the past decade, he helped pioneer the new field of connectomics, applying deep learning and crowdsourcing to reconstruct neural circuits from electron microscopic images. His lab created EyeWire.org, a site that has recruited over 250,000 players from 150 countries to a game to map neural connections. His book Connectome: How the Brain's Wiring Makes Us Who We Are was chosen by the Wall Street Journal as Top Ten Nonfiction of 2012. Before joining the Princeton faculty in 2014, Seung studied at Harvard University, worked at Bell Laboratories, and taught at the Massachusetts Institute of Technology. He is External Member of the Max Planck Society, and winner of the 2008 Ho-Am Prize in Engineering.
Yang Dan, University of California, Berkeley | November 16, 2018
Neural Circuits Controlling Sleep
Yang Dan is Paul Licht Distinguished Professor in the Department of Molecular and Cell Biology and an investigator of the Howard Hughes Medical Institute at the University of California, Berkeley. She studied physics as an undergraduate student at Peking University and received her Ph.D. training in Biological Sciences at Columbia University, where she worked on cellular mechanisms of neurotransmitter secretion and synaptic plasticity. She did her postdoctoral research on information coding in the visual system at Rockefeller University and Harvard Medical School. Using a combination of electrophysiology, imaging, and computational methods, Dan’s lab has made important contributions to understanding the microcircuits underlying cortical computation, cellular mechanisms for functional plasticity, and neuromodulation of sensory processing.
Jessica Cardin, Yale University | October 9, 2018
State-dependent cortical circuits
Dr. Cardin is an associate professor of neuroscience at the Yale University School of Medicine, where her lab studies the flexible function of cortical circuits in health and developmental disease. Her lab at Yale uses a multilevel electrophysiological and optical approach to explore the dynamic interactions between inhibitory and excitatory neurons that underlie the flexible encoding of visual information in cortical circuits, and how cortical circuit function varies with behavioral state and learning. The Cardin lab also studies how developmental dysregulation of cortical circuits leads to compromised perceptual and cognitive function in models of autism and schizophrenia.
Li-Huei Tsai, Massachusetts Institute of Technology | September 20, 2018
Transcriptomic analysis of Alzheimer's disease at the single cell resolution
Professor Li-Huei Tsai is Director of the Picower Institute for Learning and Memory at the Massachusetts Institute of Technology, a Picower Professor of Neuroscience, and an Associate Member of the Broad Institute. Tsai is also a Fellow of the American Association for the Advancement of Science, a member of the National Academy of Medicine, and an Academician of the Academia Sinica in Taiwan.
Tsai is interested in elucidating the pathogenic mechanisms underlying neurological disorders that impact learning and memory. She takes a multidisciplinary approach to investigate the molecular, systems, and circuit basis of neurodegenerative disorders. Recent contributions include the identification of chromatin remodeling as a means to regulate memory gene expression and enhance cognitive function during neurodegeneration. Her lab also conducts epigenomic analysis of mouse and human Alzheimer’s disease (AD) brain samples and has identified important contributions of dysregulated immune response genes in AD. Currently, the Tsai lab uses induced pluripotent stem cells (iPSCs) derived from human subjects to model AD and large scale imaging, optogenetics, and in vivo electrophysiology to study the brain circuitry affected by AD. Recently, she and her colleagues invented a non-‐invasive sensory stimulation technology that proved effective in reducing AD pathology on animal models.
Kenneth Harris, University College London | April 27, 2018
Brain-wide patterns of neural activity underlying a visual decision task
Professor Harris studied mathematics at Cambridge University, obtained his PhD in robotics at University College London, then moved to Rutgers University in the United States for postdoctoral work in neuroscience. Before returning to UCL in 2012, he was Associate Professor of Neuroscience at Rutgers, and Professor of Neurotechnology at Imperial College London. Together with Matteo Carandini, he directs the Functional Neuromics Lab at UCL, which aims to understand how the brain processes sensory signals, and integrates them with internal signals to guide decision and action. The lab investigates these questions with a combination of experiment and computational analysis.
Hillel Adesnik, University of California, Berkeley | March 2, 2018
Optically probing the neural basis of perception
Dr. Adesnik is an assistant professor of neurobiology at UC Berkeley, where his labs studies the neural basis of sensory perception. He obtained a PhD from UCSF in synaptic physiology with Roger Nicoll, and did his postdoctoral fellowhsip at UCSD with Massimo Scanziani where he studied the structure and function of cortical inhibitory circuits. His lab at Berkeley develops and leverages novel optical tools to manipulate neural activity in the brains of behaving animals to understand the synaptic and circuit basis of neural computation in the sensory cortex.
Hilton Lewis, W. M. Keck Observatory | February 9, 2018
Sociology of the Astronomy Community - Organization and Challenges
As Director, Lewis is responsible for the operation and performance of the observatory with its twin 10-meter optical/infrared telescopes, and for the development of new capabilities. Lewis works closely with the staff, partner institutions and scientists to ensure the continued success of the Keck Observatory and foster the development of its scientific capabilities and overall productivity.
Lewis was recruited in 1986 to lead the design and development of the software that controls the Keck Observatory’s twin, 10-meter telescopes. He has held many leadership roles throughout the history of the Observatory, ranging from leading software development to overseeing the full range of technical activities at the observatory.
Lewis holds a B.S. in Electrical Engineering from the University of Cape Town and earned his MBA from the University of Hawai’i at Manoa. His professional interests include leadership and motivation of high tech teams, strategic planning, multiple-year plan design, and effective project planning and execution.
Lewis has dedicated his career to building, operating and updating the most sophisticated ground- based optical/infrared telescopes in the world, a commitment that has contributed to the unprecedented astronomical innovation and forefront science of the W. M. Keck Observatory.