11 votes
Accepted

Is back-prop biologically plausible?

Biological Plausibility of Back-Prop No, the algorithm of back-prop (BP) isn't biologically plausible. However, there are other means which involve propagating the error through multiple layers of ...
Seanny123's user avatar
  • 8,853
8 votes

Differential equations in psychology

The Hodgkin and Huxley model of neuronal firing is based on non-linear differential equations. A significant portion of research on sensation and perception is based on such models.
StrongBad's user avatar
  • 2,663
7 votes
Accepted

How to interpret neuron spiking models one comes across in literature?

Read dayan and abbot "theoretical neuroscience" Learn differential equations Know the relationship between voltage, current, resistance and conductance Differential equations is absolutely essential ...
honi's user avatar
  • 1,875
7 votes
Accepted

Why Bayesian Cognitive Modeling?

Here's a quick answer from general background knowledge, not from any specific knowledge of "Bayesian Program Synthesis (BPS)" In general, Bayesian models can use strongly informed priors or diffuse "...
John K. Kruschke's user avatar
7 votes

What is the computational role of the cortical column?

Cortical columns are groups of neurons in the brain that are oriented perpendicularly to the cortical surface. Cells within a column respond to the same stimulus property (Fig. 1). For example, ...
AliceD's user avatar
  • 20.6k
6 votes

How often are complex networks and graph theory useful in computational neuroscience?

In my opinion as a computational neuroscience researcher, graph theory has not made major inroads into computational neuroscience because we don't have good evidence for what graphs characterise ...
Dylan Richard Muir's user avatar
6 votes
Accepted

The computer model of the brain

This question's reference to a classical computer refers to a "Turing Machine" style of computation, also known as a knowledge system, in which decisions and possible results are pre-...
5 votes

What is a good example of a psychological theory that became formalized into neural and computational terms?

Check out all of the videos in this playlist https://www.youtube.com/watch?v=lrppe54fixc&list=PL1hKzFfV5qJlVTjD8XWzyiaHxBZZ7iWs9&index=3 The particular video I linked gives the example of the ...
honi's user avatar
  • 1,875
5 votes
Accepted

Publicly Available NEURON models

A repository of publicly available NEURON models can be found on ModelDB by filtering for Models that contain the Modeling Application: NEURON.
Seanny123's user avatar
  • 8,853
5 votes

A question on synapses

According to this research paper by Lockary and Goodman, the resting membrane potential of C.Elegans is two fold because its a stepped resting potential of -70mV and -35mV. After an initial activation ...
Comte's user avatar
  • 1,206
5 votes
Accepted

Are ACT-R and Spaun the state of the art in cognitive science computational models?

There are TONS of other Cognitive Models being researched. Specifically, see this giant comprehensive list of Cognitive Models [1]. Given such a wide array of models, it might be more helpful to focus ...
Seanny123's user avatar
  • 8,853
5 votes

What are good introductory books on mathematical psychology?

I also like https://bayesmodels.com/. I posted the question on twitter, you could check out the responses. Joachim Vandekerckhove suggested: Lewandowsky, S., & Farrell, S. (2010). ...
Jeromy Anglim's user avatar
5 votes
Accepted

Parallel arrangement of capacitor and resistor in leaky integrate-and-fire model

I see your confusion is caused by $u_{rest}$. Indeed that diagram is somewhat confusing because $u_{rest}$ is not the main source relative to which to consider the topology of the circuit. The main ...
Dolphin 613 Motorboat's user avatar
5 votes
Accepted

Are there animals with only excitatory neurons?

Not in any well-studied animal; for example, C. elegans certainly has both excitatory and inhibitory neurons. Even in animals with very simple and poorly understood nervous systems (for example, ...
Bryan Krause's user avatar
  • 7,411
4 votes

Differential equations in psychology

A large and notable area within psychology to which differential equations are central is dynamical systems theory. It is widely applied to cognitive science. Differential equations are used to ...
huh's user avatar
  • 755
4 votes

What are some credible conferences and journals in computational neuroscience?

Adding to what was already mentioned, there are several "Frontiers" journals: Frontiers in Neuroscience Frontiers in Neural Circuits Frontiers in Computational Neuroscience Frontiers in Synaptic ...
awakenting's user avatar
4 votes
Accepted

What extent is non linear dynamics and chaos helpful to study brain function?

Since this an active and relatively new area of research, nobody can tell you for certain where it will lead. Whether it will "dead end" is perhaps the wrong way to think about it too. All lines of ...
PhiloT's user avatar
  • 361
4 votes

How are the outputs of neurons encoded, if at all?

The concept of digital channels of information flow is a serial-processing biased view of information: it applies a lot to serial systems like computers (which are still serial even with multiple "...
Bryan Krause's user avatar
  • 7,411
4 votes

ML/Neuroscience: TensorFlow vs PyTorch vs Keras for bulding NN models of the nervous system?

If you're looking at computational models of actual neurons and biological neural networks, there are a number of tools out there which are specifically for the purpose. The most commonly used are: ...
Martino's user avatar
  • 186
4 votes

Explaining mathematically why most people chose 7 when asked to chose a number between 1-10

This is a really fun problem! Intuitively, the numbers all have latent features (isEven, isPrime, etc), so they live in a richly structured space. So far so good, but the (typical) structure of that ...
steveLangsford's user avatar
3 votes

Can machines really create anything new?

This is actual a pretty old and often debated question. It is called "Lady Lovelace's Objection" and first appeared in Alan Turing's seminal paper "Computing Machinery and Intelligence". Below is my ...
Seanny123's user avatar
  • 8,853
3 votes

what is the "trial-averaged neural response function"?

ρ(t) in Equation 1.1 cannot be summed and averaged because the idealized spikes are infinitesimally narrow and the chance of two spikes from different trials occurring at the same time t is zero. In ...
K A's user avatar
  • 981
3 votes
Accepted

Do STDP synapses potentiate AND depress at the same time?

I can't make comments yet, so in the following I will assume that by 'STDP synapse' you mean the model of a synapse using the STDP rule. The scenario that you are describing is a triplet experiment ...
awakenting's user avatar
3 votes

What is a good example of a psychological theory that became formalized into neural and computational terms?

I have one particular area to offer as a potential example. Keep in mind that likely no formalization of psychological concepts has heretofore been comprehensive (and the utility of a comprehensive "...
Abraham Nunes's user avatar
3 votes

How can machine possibly possess consciousness if computation is a human idea?

Short answer: This is formally known as the hard problem of consciousness - if you can figure it out, then you'll probably win a Nobel Prize: The hard problem of consciousness is the problem of ...
Arnon Weinberg's user avatar
  • 19.6k
3 votes
Accepted

What is "Predictive Reverse Engineering" and how can it be used for understanding brain structure?

I am unfamiliar with the term "Predictive Reverse Engineering" but your question seemed very interesting. Informally speaking, "Predictive Reverse Engineering" seems to denote trying to reverse ...
lucianopaz's user avatar
3 votes
Accepted

What is the most unified functional model of the hippocampus?

I myself have not come across a complete end-to-end hippocampal model, but I would imagine that such an implementation would be quite broad in scope. Edmund Rolls has some nice papers on the ...
Abraham Nunes's user avatar
3 votes
Accepted

Best way to modeling ADHD?

The approach you would take will depend upon your level of analysis. For instance, one could choose to model an entire individual's behaviour (i.e. with heuristic models), the activity of neural ...
Abraham Nunes's user avatar
3 votes

Is back-prop biologically plausible?

I don't know much about this, but here goes anyway. I heard that the reason backprop isnt biologically plausible is that it requires global control/coordination for the propagation of the gradients. (...
Alexander Telfar's user avatar
3 votes

What are good introductory books on mathematical psychology?

I hold a Bachelor's in Applied Mathematics and, for my Master's in Neuroscience, I have used mainly the classic one from Kandel Principles of Neural Science. With regard to Mathematical Psychology I ...
Ailton Andrade de Oliveira's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible