Munich Neuroscience Calendar

Event:

20.05.2019, 18:00 RTG 2175: Perception in Context and its Neural Basis

Event Type: Talk
Speaker: Dean Buonomano
Institute: UCLA

Title: How does the brain tell time?

Location:
Small Lecture Hall B01.019
Grosshadernerstr. 2
82152 Martinsried

Host: Ekaterina Sytnik, RTG 2175

Abstract:
Much of the information the brain porcesses and stores is temporal in nature-speech and music, for example, are defined as much as how they unfold in time as by their spectral structure. The brain seamlessly assimilates the order and duration of sensory events, and generates finely timed motor responses. These abilities are critical to most behaviors: from reward anticipation to sensorimotor processing. We have proposed that timing on the scale of milliseconds to seconds relies on population clocks: time-varying patterns of neural activity that emerge from the dynamics of recurrent neural networks (RNNs). And more generally, that dynamic attractors-locally stable neural trajectories-represent a fundamental computational strategy in the brain. We provide computational and experimental support for this hypothesis, and suggest that precisely because timing is such a fundamental computation, that most neocortical circuits are inherently capable of timing.


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