Difference between revisions of "ICLM Journal Club"
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| − | The Integrative Center for Learning and Memory formally LMP started in its current form in 1998, and has served as a platform for many interactions and collaborations within UCLA. The cornerstone of the group is the weekly ICLM Journal Club. For more than 10 years, graduate students, postdocs, principal investigators, and invited speakers have presented on topic ranging from the molecular mechanisms of synaptic plasticity, through computational models of learning, to behavior and cognition. [http://www.neurobio.ucla.edu/~dbuono/ Dean Buonomano] oversees the | + | The Integrative Center for Learning and Memory formally LMP started in its current form in 1998, and has served as a platform for many interactions and collaborations within UCLA. The cornerstone of the group is the weekly ICLM Journal Club. For more than 10 years, graduate students, postdocs, principal investigators, and invited speakers have presented on topic ranging from the molecular mechanisms of synaptic plasticity, through computational models of learning, to behavior and cognition. [http://www.neurobio.ucla.edu/~dbuono/ Dean Buonomano] oversees the ICLM with help of student/post doctoral organisers. |
Current Organisers: | Current Organisers: | ||
Revision as of 01:58, 11 April 2012
Date: Mar 9th
Time: 09:30 am
Place : 2nd Floor Conference Room, Gonda building.
Contents
Title : "Dynamics of Retrieval Strategies for Remote Memories"
Speaker: Thomas Rogerson
Summary:
Prevailing theory suggests that long-term memories are encoded via a two-phase process requiring early involvement of the hippocampus followed by the neocortex. Contextual fear memories in rodents rely on the hippocampus immediately following training but are unaffected by hippocampal lesions or pharmacological inhibition weeks later. With fast optogenetic methods, we examine the real-time contribution of hippocampal CA1 excitatory neurons to remote memory and find that contextual fear memory recall, even weeks after training, can be reversibly abolished by temporally precise optoge- netic inhibition of CA1. When this inhibition is extended to match the typical time course of phar- macological inhibition, remote hippocampus depen- dence converts to hippocampus independence, suggesting that long-term memory retrieval normally depends on the hippocampus but can adaptively shift to alternate structures. Further revealing the plasticity of mechanisms required for memory recall, we confirm the remote-timescale importance of the anterior cingulate cortex (ACC) and implicate CA1 in ACC recruitment for remote recall.
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Introduction
The Integrative Center for Learning and Memory (ICLM) is a multidisciplinary center of UCLA labs devoted to understanding the neural basis of learning and memory and its disorders. This will require a unified approach across different levels of analysis, including;
1. Elucidating the molecular cellular and systems mechanisms that allow neurons and synapses to undergo the long-term changes that ultimately correspond to 'neural memories'.
2. Understanding how functional dynamics and computations emerge from complex circuits of neurons, and how plasticity governs these processes.
3. Describing the neural systems in which different forms of learning and memory take place, and how these systems interact to ultimately generate behavior and cognition.
History of ICLM
The Integrative Center for Learning and Memory formally LMP started in its current form in 1998, and has served as a platform for many interactions and collaborations within UCLA. The cornerstone of the group is the weekly ICLM Journal Club. For more than 10 years, graduate students, postdocs, principal investigators, and invited speakers have presented on topic ranging from the molecular mechanisms of synaptic plasticity, through computational models of learning, to behavior and cognition. Dean Buonomano oversees the ICLM with help of student/post doctoral organisers.
Current Organisers:
Thomas Rogerson and Justin Shobe (both from Silva Lab)
Past Organisers:
i) Anna Martyina (Aug 2004 - Jun 2008) (Silva Lab)
ii) Robert Brown (Aug 2008 - Jun 2009) (Balleine Lab)
iii) Balaji Jayaprakash (Aug 2008 - Nov 2011) (Silva Lab)
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