<div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div 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class="gmail_attr" style="text-align:center"><font size="4">You are cordially invited to </font><span style="font-size:large"> the lecture</span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><span style="font-family:helvetica-w01-roman,helvetica-w02-roman,helvetica-lt-w10-roman,sans-serif;background-color:transparent;font-size:18px"><font color="#000000"><br></font></span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><p style="background:transparent;border:0px;outline:0px;padding:0px;vertical-align:baseline;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:18px;line-height:1.6em;font-family:spinnaker,sans-serif;margin:0px"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline;font-family:helvetica-w01-roman,helvetica-w02-roman,helvetica-lt-w10-roman,sans-serif"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline"><font color="#000000">Anna Schapiro</font></span></span></span></p><p style="background:transparent;border:0px;outline:0px;padding:0px;vertical-align:baseline;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:18px;line-height:1.6em;font-family:spinnaker,sans-serif;margin:0px"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline;font-family:helvetica-w01-roman,helvetica-w02-roman,helvetica-lt-w10-roman,sans-serif"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline"><span style="background:transparent;border:0px;margin:0px;outline:0px;padding:0px;vertical-align:baseline"><font color="#000000">University of Pennsylvania</font></span></span></span></p></div><div dir="ltr" class="gmail_attr" style="text-align:center"><font color="#000000" style="background-color:transparent"><br></font></div><div dir="ltr" class="gmail_attr" style="text-align:center"><font color="#000000" style="background-color:transparent"> </font><span style="background-color:transparent;font-size:large;color:rgb(0,0,0)">on the topic of </span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><span style="background-color:transparent;font-size:large;color:rgb(0,0,0)"><br></span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><span style="font-family:spinnaker,sans-serif;font-size:20px"><font color="#000000">Learning representations of specifics and generalities over time</font></span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><span style="font-family:spinnaker,sans-serif;font-size:20px"><font color="#000000"><br></font></span></div><div dir="ltr" class="gmail_attr" style="text-align:center"><font size="4">The lecture will be held on zoom on December 3, 2025, at <u><b>11:00 am ET </b></u> </font> </div><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div 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class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div class="gmail_quote"><div dir="ltr"><p style="text-align:center"><span style="font-size:large">To receive the link: </span><a href="https://www.wwtns.online/register-page" style="font-size:large" target="_blank">https://www.wwtns.online/register-page</a><font size="4"> </font><font size="4"> </font> </p></div></div></div></div></blockquote><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div style="text-align:center"><font size="4" color="#000000"> </font></div><div><span style="font-family:spinnaker,sans-serif;font-size:14px;text-align:justify"><font color="#000000"><b>Abstract: </b></font></span><span style="font-family:spinnaker,sans-serif;font-size:14px;text-align:justify"><font color="#000000">There is a fundamental tension between storing discrete traces of individual experiences, which allows recall of particular moments in our past without interference, and extracting regularities across these experiences, which supports generalization and prediction in similar situations in the future. One influential proposal for how the brain resolves this tension is that it separates the processes anatomically into Complementary Learning Systems, with the hippocampus rapidly encoding individual episodes and the neocortex slowly extracting regularities over days, months, and years. But this does not explain our ability to learn and generalize from new regularities in our environment quickly, often within minutes. We have put forward a neural network model of the hippocampus that suggests that the hippocampus itself may contain complementary learning systems, with one pathway specializing in the rapid learning of regularities and a separate pathway handling the region’s classic episodic memory functions. This proposal has broad implications for how we rapidly learn novel information of specific and generalized types, which we test across statistical learning, inference, and category learning paradigms. We also explore how this system interacts with slower-learning neocortical memory systems, with empirical and modeling investigations into how hippocampal replay shapes neocortical representations during sleep. Together, the work helps us understand how structured information in our environment is initially encoded and how it then transforms over time.</font></span></div><div><span style="font-family:spinnaker,sans-serif;font-size:14px;text-align:justify"><font color="#000000"><br></font></span></div><div><div><i style="background-color:transparent;color:rgb(80,0,80)"><font color="#000000"><span style="font-family:helvetica-w01-light,helvetica-w02-light,sans-serif;text-align:justify"><b>About VVTNS :</b> Launched as the World Wide Theoretical Neuroscience Seminar (WWTN</span><span style="font-family:helvetica-w01-light,helvetica-w02-light,sans-serif;text-align:justify">S) in N</span></font><span style="color:rgb(0,0,0);font-family:helvetica-w01-light,helvetica-w02-light,sans-serif;text-align:justify">ovember 2020 and renamed in homage to Carl van Vreeswijk in Memoriam (April 20, 2022), Speakers have the occasion to talk about theoretical aspects of their work which cannot be discussed in a setting where the majority of the audience consists of experimentalists. The seminars, </span></i><i style="background-color:transparent;color:rgb(80,0,80)"><span style="color:rgb(0,0,0);font-family:helvetica-w01-light,helvetica-w02-light,sans-serif;text-align:justify">held on Wednesdays at 11 am ET,</span></i><i style="background-color:transparent;color:rgb(80,0,80)"><span style="color:rgb(0,0,0);font-family:helvetica-w01-light,helvetica-w02-light,sans-serif;text-align:justify"> are 45-50 min long followed by a discussion. The talks are recorded with authorization of the speaker and are available to everybody on our YouTube channel.</span></i><span style="color:rgb(0,0,0);font-family:spinnaker,sans-serif;font-size:14px;text-align:justify"></span></div><div><span style="color:rgb(0,0,0);font-family:spinnaker,sans-serif;font-size:14px;text-align:justify"><br></span></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><br></div></div></div></div></div></div><div hspace="streak-pt-mark" style="max-height:1px"><img alt="" style="width:0px;max-height:0px;overflow:hidden" src="https://mailfoogae.appspot.com/t?sender=aZGhhbnNlbDBAZ21haWwuY29t&type=zerocontent&guid=21e3f4e7-ea87-4bc1-a9cd-1bf218bdd262"><font color="#ffffff" size="1">ᐧ</font></div>
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