For questions about models and theoretical idealizations of cognitive processes in humans or other animals. Examples include computational, mathematical, and conceptual models.

learn more… | top users | synonyms

5
votes
1answer
171 views

Why is working memory so small?

I know that the concept of working memory may be subject to discussion. Still, there is a storage capacity limit. This is a real mystery to me. Working memory is known to be positively correlated to ...
5
votes
1answer
60 views

Are there any agent based cognitive models that are inspired by complex systems studies of ant colonies and economies?

I think that certain aspects of ant colony behavior seem almost like economic decision-making in behavior. There are also links between ant colony optimization and features of the brain like selective ...
5
votes
1answer
128 views

Perceptual flicker when rotating my face

Informal Experiment: I look up at a wooden beam on the ceiling, or I look at the office door; both the door and the ceiling are about 2 meters from my face. I rotate my face 90 degrees left or right ...
5
votes
1answer
32 views

Empirical proof for social network models

I've recently encountered the domain of social network modelling while reading the papers on models of strategic voting (unpublished), opinion dynamics and influence spread. All of these papers ...
5
votes
1answer
201 views

Is Altmann's memory-for-goals model valid for higher-level multitasking?

Altmann's memory-for-goals model models goal-directed cognition in terms of the general memory constructs of activation and associative priming (Altmann 2002). From reading the paper I understand the ...
5
votes
1answer
3k views

Current theories of the psychology of ambivalence

This question querying the authenticity of people's words and actions and the resulting commentary after this answer, has led me to ask this question. Ambivalence is a state of having simultaneous, ...
5
votes
1answer
120 views

Need good example of two domains involving different procedural knowledge yet sharing same high-level strategies

Working in the domain of intelligent tutoring systems, I have to prove (or disprove) that explicit teaching of high-level strategies will allow students to use learned strategies across different ...
5
votes
0answers
29 views

Is it possible to imitate two way communication between a brain and a limb?

Human muscles are controlled by action potentials that travel along the nerves. Below is an image of a train of action potentials that are decoded by the brain into a sensation or interpreted by a ...
5
votes
0answers
83 views

What are the most well-understood vocal animal languages? [closed]

There are many examples of animal language that involve vocal pattens or "grammar". For example, there is the the Bee dance, bird songs, whale songs, dogs. Bird vocalization includes both bird calls ...
4
votes
2answers
318 views

What skills are required to build simulations of the human brain? [closed]

I want to build a system that has the ability to gather data from the internet in order to build a cognitive model of the human brain. The model should be able to answer the questions required by a ...
4
votes
2answers
97 views

Which of ML classifiers do humans use?

Background: In many situations, people use to classify objects without knowing Machine Learning theory. For example, if small children see an unknown animal in the wild, (s)he tries to classify it as ...
4
votes
3answers
96 views

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

I'm reading the "The Power of Now" book by Ekhart Tolle, in which he describes a spiritual practice by which attention/awareness is focused on the currently experienced mental state. For example, ...
4
votes
3answers
333 views

Flow diagram of how information flows through the brain?

I am a Artificial Intelligence researcher with a interest in neuroscience. I was wondering if flow diagrams exist of the way information flows from sensory inputs through the parts of the brain (and ...
4
votes
1answer
31 views

In ACT-R difference between declarative and working memory

I'm currently studying PRIMs within the context of ACT-R by reading these two papers. In the papers, there are references to both declarative and working memory modules of ACT-R. What is the ...
4
votes
1answer
50 views

What is known about the information that's passed upwards within the neocortex?

The neocortex is likely to process sparse representations in a hierarchy with information close to the raw sensor input appearing in lower levels and abstract concepts being appearing in higher ...
4
votes
1answer
75 views

Connections between different theories of personality

There are a several theories on personality: the Big Five personality traits, Watson en Clark's extraversion en neuroticism, Grey's Behavioural Inhibition & Behavioural Activation (BIS/BAS), ...
4
votes
0answers
27 views

Which executive function assessment has the most cognitive models?

Wikipedia has a handy list of assessments of executive functions. I recognize a few of them (Tower of Hanoi, Wisconsin Card Sorting), however, what is the most modeled task and what reasons do ...
4
votes
0answers
80 views

What is a good general reference on cognitive science in military training?

I know that one of the application of cognitive science is military science. Unfortunately I haven't found a good source on how cognitive science could benefit military training. Is there any ...
4
votes
0answers
220 views

Need a definition of Cognitive Simplicity (or Complexity) that would appeal to a wide audience

Everyone in my organization wants to make our products & website as simple as possible for our customers. My concern is that "simple" means different things to different people. I'm looking for a ...
4
votes
0answers
192 views

Test-retest reliability of Iowa gambling task performance and Expectancy Valence Model parameters

I've just been learning about the Expectancy Valence Model of the Iowa Gambling Task (see Busemeyer & Stout, 2002; Yechiam et al 2005). The model includes three parameters: motivation, ...
3
votes
2answers
114 views

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

I've long been interested in the concept of "states of mind", which influence the perception of the outside world and outlook on past, present and future. They can be thought of as "colored lenses" ...
3
votes
1answer
96 views

What introductory material is available linking complexity theory to cognitive science?

Does complexity theory speak to cognitive science? If yes, where can I find some material to explore that is suitable for undergraduate level understanding? In particular, is there any audio contennt ...
3
votes
4answers
139 views

Different neural structures for quick vs. methodical decision making

In the book "Thinking, Fast and Slow", the author claims that there are two systems of thinking. System 1 is quick, instinctive and emotionally driven while System 2 is more logical and deliberate. ...
3
votes
1answer
100 views

How can pain sensations appear to originate within the person's skull?

I've read that humans have some sort of a kinesthetic model of their body and muscles. This internal representation of the body is used to control and coordinate locomotion. I don't remember if ...
3
votes
1answer
31 views

How to get anatomical masks?

I recently read a paper called "An automated labeling system for subdividing the human cerebral cortex on MRI scans into gyral based regions". I want to use the ...
3
votes
1answer
22 views

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

When I read about cognitive models that use the Semantic Pointer Architecture (SPA), such as a model for general intelligence, I often see a component called the "clean-up memory"? What's the function ...
3
votes
1answer
120 views

How do people develop abstract thought processes?

By abstract thinking, I am referring to not only notions of self and identity, but also aspects that can not be directly observed and 'thinking outside of the box'. Essentially, from my own ...
3
votes
1answer
110 views

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

There seem to be at least two kinds of confusion regarding novel concepts. In one, the brain simply can't form an abstract model from whatever information is being presented. It's where you can't ...
3
votes
1answer
24 views

Role of declarative memory in learning skill

In Neil Taatgen's paper on primitive information processing elements (PRIMs) he notes that as a result of saving the used PRIMs in declarative memory (which is fast) as opposed to procedural memory ...
3
votes
1answer
32 views

Are there theories on how vocabularies for the Semantic Pointer Architecture are created?

The semantic pointer architecture is a vector symbolic architecture where high-dimensional sparse vectors represent concepts. These concepts can be mathematical, linguistic or sensory. In all of the ...
3
votes
1answer
43 views

What is the most comprehensive model of executive control?

Wikipedia has a nice summary of the various models of executive function, but what is the most comprehensive one? That is, the one that accounts for the most cognitive variations among subjects and ...
3
votes
2answers
57 views

How do humans learn to combine tasks?

I've been reading about hierarchical learning (a variant of reinforcement learning from what I understand) and how it is shown to allow learning of a higher-level task (the main example is assembly). ...
3
votes
1answer
72 views

link between top-down (bottom-up) processing and cortex layers

What are the relations between top-down and bottom-up processings and the flows of information in the brain? For example, does top-down processing start from some layers and go to lower layers? If so ...
3
votes
1answer
33 views

Difference vs. Ratio of evidence in sequential sampling models

In sequential sampling models - for instance Ratcliff and Smith, (2006) - participants' responses in a binary choice experiment are modelled by a particle, which moves up or down towards the ...
3
votes
0answers
34 views

What's the difference between metaphor and conceptual blending?

A "metaphor" seems to be just the discourse-level result of a conceptual blend. If you're more of a Lakoff-guy, I could see you claiming "metaphor", especially a "conceptual metaphor" to be the same ...
3
votes
0answers
72 views

How do patients with Cotard's Syndrome rationalize environmental interactions?

A patient with Cotard's Syndrome (also called "Cotard delusion" and "Walking Corpse Syndrome") has the delusion that he or she is dead (and sometimes immortal), either figuratively or literally, yet ...
3
votes
0answers
43 views

How do mammals explore state spaces in reinforcement learning tasks?

Reinforcement learning is the act of learning how to preform a task given punishment and reward. A "state-space" is the space of choices in a context. When performing a reinforcement learning task, is ...
3
votes
0answers
75 views

Predicting the Duration of Future Events

I am interested in the question of how people use/integrate previous experiences with instances of tasks or events to make predictions about the duration of future instances of tasks/events. To ...
2
votes
2answers
535 views

How to adjust SSE or RMSE for the number of free parameters in the model?

How do I adjust SSE (sum of squared errors) or RMSE (root-mean-square errors) for the number of free parameters in the model? Is there an "adjusted" RMSD metric similar to the adjusted r-squared ...
2
votes
1answer
64 views

Are there already models for planning and goal-directed behaviour?

I'm interested in planning and how one is able to take action and plan ahead at the same time. I could imagine one could make observations and project these into the future using past experiences. The ...
2
votes
1answer
76 views

Getting analysis of changes in MY brain upon cannabis consumption [closed]

I want to know if/how my brain differs from other brains. I'm also interested in knowing exactly how my brain changes when I smoke marijuana, as it is claimed that it affects individuals differently. ...
2
votes
1answer
109 views

Combinatorial woes

I am interested in the creation of chunks (aka configural nodes) from smaller chunks and input features (only interested in System 1 cognition). Unitization studies (e.g. Goldstone (pdf)), suggest ...
2
votes
1answer
251 views

Are life positions in transactional analysis accurate aides in diagnosing personality disorders?

Eric Berne developed the notion of transactional analysis (TA ) and author of the book "The Games People Play". Thomas A Harris then wrote the book "I'm OK - You're Ok" based on Berne's theory of ...
2
votes
1answer
31 views

Toolbox for modelling visual search performance

I'm looking for a toolbox to model visual search performance in a singleton search task based on line orientations (you need to find a line that is most different from all others in it's orientation). ...
2
votes
1answer
53 views

How are real life events translated into dream symbolism?

I'm interested in how significant events from daily life get encoded or translated into dream content. A personal observation can help clarify my question: I've observed that for me, "significant, ...
2
votes
0answers
10 views

Do synapses have special types?

I assume synapses/dendrites/axons are relations which connect one entity/neuron to another, for example: a car is a vehicle: "is" relation Bob has a sister: "has" relation etc. I would just ...
2
votes
0answers
31 views

Are Free Will and Motivation related?

I'm aware of numerous experiments, like Stanford prison experiment, Milgram experiment which indicate that humans can act in ways opposite to their best intentions. For the purposes of this ...
2
votes
0answers
23 views

Are there cognitive models that distinguish semantic and episodic memory?

From various amnesia cases it has been shown that semantic and episodic memories reside in different parts of the brain. Are there any cognitive models that distinguish these two types of memories? If ...
2
votes
0answers
64 views

How can Semantic Pointer Architecture be used to capture dynamical systems?

Most uses of SPA I've seen seem to be representing static systems, such as recognizing digits, categorizing images, rapid variable creation and planning a path for writing those digits back out. Can ...
2
votes
1answer
22 views

How is memory accounted for in the NEF?

The Neurological Engineering Framework can be used to create systems that use memory in interesting ways. One system (Spaun) is able to memorize (and forget) lists much in the same way as humans do. ...