Difference between revisions of "ICLM Journal Club"
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Revision as of 23:57, 26 April 2022
This Week - 29 April 2022 (9:30 a.m., via Zoom)
Speaker: 'Katsushi Arisaka
Title: “ Grand Unified Theory of Mind and Brain: Space-Time Approach to Visual Perception and Memory of 3D Space. ”
Summary: Animals have a remarkable ability to perceive, navigate, and memorize allocentric 3D space, primarily based on egocentric 2D visual stimulation. How can we effortlessly reconstruct and maintain a stable representation of allocentric space despite constant motion of the eyes, head, and body, which results in a seemingly chaotic dynamic visual input?
According to our Grand Unified Theory, external allocentric space is holographically reconstructed in the frequency-time domain by multi-frequency brainwaves. 3D visual perception is constructed by alpha waves, despite the constant saccades and head motions that continuously change egocentric visual input. Likewise, 3D navigational-space is constructed by theta waves, while maintaining allocentric place fields. Following a navigation event, an episodic memory is encoded as an engram using the principles of a new concept we call the Holographic Ring Attractor Lattice (HAL).
In my talk, I will present the concept of Neural Holographic Tomography (NHT), and apply it to Hippocampus-based navigation, learning, and memory.
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. A key event organized by the group is the weekly ICLM Journal Club. For more than 10 years, graduate students, postdocs, principal investigators, and invited speakers have presented on topics ranging from the molecular mechanisms of synaptic plasticity, through computational models of learning, to behavior and cognition. Dean Buonomano oversees the ICLM journal club with help of student/post doctoral organizers. For other events organized by ICLM go to http://www.iclm.ucla.edu/Events.html.
Current Faculty Advisor:
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