13 votes

What is the relation between measures, constructs and concepts?

In speaking to constructs vs. measures, I believe that the difference is clear and implied in your background: constructs are that which cannot be directly measured (but we assume exists), where ...
  • 1,273
10 votes

What is the relation between measures, constructs and concepts?

Apologies in advance for the long answer. I tried to narrow down the scope by focusing on only a single construct, and only a single aspect of validity, and it still turned out like an essay... Let'...
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9 votes
Accepted

Can a brain be modeled as a simplified interaction of different states and their triggers?

My answer is probably a weird hodgepodge of sometimes poorly explained stuff, but hopefully it's coherent enough :P For many decades in psychology, we've had a mechanistic stimulus-organism-response ...
  • 4,357
8 votes
Accepted

Are there any theories suggesting mindfulness is the opposite mental state to self-regulation?

I don't think there's any evidence suggesting that mindfulness or meditation are the opposite of self-regulation. In arguing why, it'll be useful to define terms. Meditation and mindfulness First off, ...
8 votes
Accepted

Is there a reasonable scientific backing for Carl Jung's type theories?

It appears that there is little scientific backing for Jung's theories. As these theories were first suggested at the start of the 20th century they have had a considerable amount of time to receive ...
8 votes
Accepted

What is the ACT-R model of learning?

ACT-R can best be summarized with this (tiny but more recent) graph: ACT-R is a cognitive architecture that tries to explain as much of human behavior as possible with as little rules as possible. It ...
7 votes
Accepted

Is there a neural network model of Pavlovian Learning?

In general, what you're looking for is a biologically plausible model of reinforcement learning and/or conditioning. I know of two publications in particular that address this. The first is A ...
  • 8,793
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 ...
  • 1,855
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 "...
6 votes
Accepted

What is the basis behind the idea of Dom-Tert loops in Jung Function Theory?

Has dom-ter loops theory been expressed formally in any kind of Jungian function theory study? Based on a reasonably diverse search of Google Scholar, Web of Science and Scopus, I am concluding that ...
6 votes
Accepted

'Model-free' learning in humans

As per the comments to the question, human research observing this distinction does exist. CHCH possibly alludes to an article by Gläscher, Daw, Dayan and O'Doherty (2010) which concisely defines the ...
6 votes

The "Backwards Bike" and implications for how we think

While both prism adaptation and negative transfer are pointers to the right direction, I'd see this as a question concerning brain plasticity (you may want to tag the question with that, I don't have ...
  • 435
6 votes

What is the scientific definition of Introversion/Extroversion?

I totally agree. These words have become colloquial and have lost much of their meaning - and are therefore increasingly less helpful. Introversion is confused with shyness and sensitivity, while ...
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 ...
6 votes

Does the split brain disprove a materialistic mind?

The question title reads: Does the split brain disprove a materialistic mind? The simple answer being no, nothing disproves that - the brain harbors the mind (e.g., Lilienfeld & Arkowitz, 2008). ...
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6 votes

How does the neocortex distinguish between perception and imagination?

Short answer Perception and imagination in the visual system use pretty much the same neural machinery, but in opposite directions - perception goes bottom-up, from the periphery to the central ...
  • 20.3k
5 votes
Accepted

How does the brain know whether or not it comprehends a novel concept?

Interesting question! A related phenomenon called the illusion of explanatory depth (IOED) suggests that the human cognitive system has a systematic weakness in this kind of evaluation--I believe the ...
  • 2,943
5 votes
Accepted

Biologically plausible cognitive model of Wisconsin card sorting task

Amos (2000) and Monchi et al. (2000) use the similar approach of assigning each card attribute to a node and using mutual inhibition to choose the right one. Although their models are biologically ...
  • 8,793
5 votes

Is there an R implementation of the linear ballistic accumulator model or Ratcliff's diffusion model for measuring response time and accuracy?

The R package diffIRT (http://www.dylanmolenaar.nl/jss1265.pdf) estimates both the Q and the D diffusion models (see his website for the van der Maas et al. paper discussing the differences between ...
5 votes

How to get anatomical masks?

I'm a TMS, but not an fMRI, researcher but I have experience using anatomical masks. I can guide you through the steps to make an anatomical mask, but unfortunately I don't have any code to offer you. ...
5 votes
Accepted

Empirical proof for social network models

Existing Papers I found three papers in the same vein with considerably more empirical evidence. 1. Modeling the Size of Wars In the paper, provinces and conflicts are modeled to justify Richardson's ...
  • 8,793
5 votes
Accepted

In ACT-R difference between declarative and working memory

This article explains the difference : Declarative memory takes the form of a semantic net linking propositions, images, and sequences by associations. The nodes of long-term memory all have ...
5 votes

How does the brain structure 3D visual data?

This question cannot be answered in the form in which you asked it both because of the limits of current neuroscientific theories and methodologies when it comes to determining the structures of ...
4 votes

Is the theory of Information Metabolism a reasonable scientific theory?

Is the theory of Information Metabolism a reasonable scientific theory? Short answer: No. A literature search of Google Scholar and Web of Science for "information metabolism" finds no empirical ...
4 votes

Are there "awareness" related mirror neurons or processes in the brain that get activated by awareness?

Mirror neurons are actually quite a contentious area in cogsci. The debate is most certainly not settled as to what role they play, and whether they even exist, in humans. In short though, my argument ...
4 votes
Accepted

What's the function of the clean-up memory in SPA?

SPA is used (among other things) for combining (binding) and extracting (unbinding) knowledge representations for processing. This is a (purposely) lossy compression. In the "Learning Rule Generation ...
  • 8,793
4 votes

Flow diagram of how information flows through the brain?

Most flow diagrams with the detail your require are for rudimentary sensory functions (such as seeing, eye tracking and other simple functions) can be found in any neuroanatomy textbook. The one I ...
  • 8,793
4 votes

Can a brain be modeled as a simplified interaction of different states and their triggers?

I agree with the previous answer/comments that seeking a simplified abstract model of the brain when it is so complex is probably asking too much. We would need to know a lot more about the "states" ...
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