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15 episodes
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Theoretical Neuroscience Podcast Gaute Einevoll
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- Science
The podcast focuses on topics in theoretical/computational neuroscience and is primarily aimed at students and researchers in the field.
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On the simulation tool NEURON - with Michael Hines - #15
Computational neuroscientists use many software tools, and NEURON has become the leading tool for biophysical modeling of neurons and neural network.
Today’s guest has been the leading developer of NEURON since the infancy almost 50 years ago.
We talk about how the tool got started and the development up until today’s modern version of the software, including CoreNEURON optimized for parallel execution of large-scale network models on multicore supercomputers. -
On the molecular memory code - with Sam Gershman - #14
The idea that memories are stored in molecules was popular in the middle of the 20th century. However, since the discovery of long-term potentiation (LTP) in the 1970s, the dominant view has been that our memories are stored in synapses, that is, in the connections between neurons.
Today, there are signs that the interest in molecular memory is returning, and the guest has presented a theory suggesting that molecular and synaptic memory might serve complementary needs for animals. -
On quantum biology - with Johnjoe McFadden - #13
Is quantum physics important in determining how living systems, including brains, work?
Today's guest is a professor of molecular genetics at the University of Surrey in England and explores this question in the book “Life at the edge: The coming of age of quantum biology”.
In this “vintage” episode, recorded in late 2019, we talk about how quantum physics is or may be key in photosynthesis, smelling, navigation, evolution and even thinking. And we also touch on development of new antibiotics, another expertise of McFadden. -
On modeling of signaling pathways inside the neuron - with Avrama Blackwell - #12
Most computational neuroscientists investigate electric dynamics in neurons or neural networks, but there is also computations going on inside neurons.
Here the key dynamical variables are concentrations of numerous different molecules, and the signaling is typically done in cascades of chemical reactions, called signaling pathways.
Today’s guest is an expert in this kind of modelling and is particularly interested in the signaling role of calcium. -
On synaptic learning rules for spiking neurons - with Friedemann Zenke - #11
Today’s AI is largely based on supervised learning of neural networks using the backpropagation-of-error synaptic learning rule. This learning rule relies on differentiation of continuous activation functions and is thus not directly applicable to spiking neurons.
Today’s guest has developed the algorithm SuperSpike to address the problem. He has also recently developed a biologically more plausible learning rule based on self-supervised learning. We talk about both. -
On large-scale modeling of mouse primary visual cortex - with Anton Arkhipov - #10
Over the last ten years or so, the MindScope project at the Allen Institute in Seattle has pursued an industrylab-like approach to study the mouse visual cortex in unprecedented detail using electrophysiology, optophysiology, optical imaging and electron microscopy.
Together with collaborators at Allen, today’s guest has worked to integrate of these data into large-scale neural network, and in the podcast he talks about their ambitious endeavor.