# All Questions

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### What is an effective metric of complexity for an Artificial Neural Network?

After asking the question What is the most complex neural network... I realized I don't really have a good metric of "complexity" in a general sense. The simplest measure would likely be count of ...
11k views

### Difference between parallel processing done by human brain and by computers

I am asking a question regarding parallel processing as done by billions of Neurons inside our brain and parallel processing done by our computers in a cluster for example or even on a Graphics ...
635 views

### Is there a region of cortex which over a period of development becomes the seat of self?

Background Mountcastle's hypothesis, which is based on the observation of uniform cortical anatomy, suggests that the there might be a uniform cortical "algorithm". The only reason that some cortical ...
1k views

### Applications of computational learning theory in the cognitive sciences

Computational learning theory (CoLT) is a branch of theoretical computer science associated with the mathematical analysis of machine learning. A lot of the early ideas of the field take inspiration ...
3k views

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

I am looking for an implementation of the linear ballistic accumulator model or Ratcliff's diffusion model (e.g. in R, MATLAB, or Python).
18k views

### Positive and negative reinforcement and punishment effectiveness

According to Skinner, positive reinforcement is superior to punishment in altering behavior. As Skinner discussed, positive reinforcement is superior to punishment in altering behavior. He ...
2k views

### What is a validated single-item measure of mood?

Has anyone validated, proposed or tested a single-item state-based positive affect or happiness measure? I am particularly interested in something for tracking mood every day.
2k views

### What form might Jungian archetypes take in the brain?

Modern psychology and psychiatry are very well grounded in scientific principles. Both, however, have a history in various analytical philosophies. Jung had the notion of an archetype, a universally ...
317 views

### Cognitive models for transfer of skills

Recently a question was asked about the benefit of playing chess on cognitive abilities. More specifically, how chess would improve understanding technical texts. Many other questions are also focused ...
261 views

### Predictive Experiments on Neuroscience of Free Will

It seems to be very interesting that we can use modern neuroscience and cognitive science research to inform us about the ages-old question of free-will vs. determinism. The standard experiment was ...
302 views

### Computational models of early learning in children

What are currently used biologically plausible computational models/frameworks of early learning in children? Personally, I have used cascade correlation neural nets to model pronoun acquisition in ...
511 views

### How do the brains of savants such as Orlando Serrell and Temple Grandin compare to a standard brain?

There are the examples of Orlando Serrell and Temple Grandin, who remember quite a lot, due to autism. How do their brains compare to a standard brain? See also: Partitions and Volume:
2k views

### Do measures of Big 5 personality have a positive bias towards extraverted, conscientious, emotionally stable, ageeable and open individuals?

Background: One free measures of the Big 5 is the IPIP. I have noticed that IPIP items seem to have a positive bias towards items loading on the extraversion (EX), emotional stability (ES), ...
527 views

### Are different types of long term memories stored in different parts of the brain?

I recently had some questions concerning the capacity of the brain's memory: Are different types of long term-memories like know-how, your-life, etc. remembered in different parts of the brain? If ...
430 views

### Human behaviour in one-shot perfect information games

Background A one-shot game is one where two participants have some set of actions $\{1, ... , n\}$, they make their decision on which option to take (without knowing the decision of their partner, or ...
6k views

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

I have read a lot on how most psychologists reject the Myers Briggs Type Indicator for its lack of scientific backing, but I have yet to find much information on the acceptance of Carl Jung's theories,...
760 views

### Is there any evidence that fluid intelligence is malleable?

So although working memory training was somewhat of a fad (and I guess some benefits did come out of training, like improved attention/executive function), reviews such as Melby-Lervåg et al. (2016) ...
3k views

### How valid are reaction times collected from online studies?

Online studies promise the possibility of greatly increased numbers of and variability in populations to study, but there are many potential concerns and need for validation, and diving in head first ...
12k views

### Are brain waves electromagnetic waves?

Depending upon its activity, the brain emits waves, which represent the summation of individual neurons firing. Are these waves electromagnetic waves?
2k views

### Can the mind affect the physical brain? - a simple thought experiment

Scientists maintain that "a physical action requires a physical cause". However, if I am in deep thought about my dead spouse, for example, and a tear comes to my eye, how is it that the mind (thought)...
149 views

### Criteria for evaluating cognitive systems

In the first chapter of the book "How to Build a Brain", Chris Eliasmith quickly establishes some criteria which he will use to evaluate Spaun, the cognitive system described in the book. He describes ...
4k views

### What free scientific measures of Big 5 personality are available?

I'm aware of a few freely available scientific measures of Big 5 personality. IPIP: Ten Item Personality Inventory (TIPI) Questions: What other free scientific Big 5 personality tests are ...
485 views

### What is it called to think without language? Are there studies around it?

I think there are two types of thinking: with and without language. For my entire life, in my opinion, I have always thought without language. Some people say it's impossible and that we think with ...
45k views

### How to calculate IQ score based on raw score and adjust for age?

I am having a hard time grasping how IQ scores are calculated. I think it has something to do with their age score ratio multiplied by 100. Say I have a test that holds 30 questions. How would I ...
227 views

### Why do brains oscillate within specific frequency ranges?

Why do brains oscillate within specific frequencies? I have two specific questions: What are the physiological mechanisms which generate the oscillations within these very frequencies? What would ...
1k views

### Is there a difference between visual short term memory and visual working memory?

As far as I can tell the two terms are used interchangeably. Do these two separate terms exist for historical reasons, or is there a distinction I'm missing?
877 views

### Getting started with EEG data

I want to get started with getting signals from EEG and learning on how I can read data. I have some programming skills, so designing a database and manipulating data with ruby (python seems also cool,...
609 views

### Does the brain have a 'debugging mode'?

In computer programming we have a debugger that we can use to execute a program step by step. In that mode, the program can be suspended and we can analyze the state of the hardware, modify the state ...
548 views

### How does task difficulty schedule affect the rate and efficiency of perceptual learning?

In perceptual learning (line length/orientation discrimination, visual target detection, tone frequency discrimination, etc), when training people or animals to perform a task better, is there an ...
342 views

### Does a person's brain still contain a record of daily events?

Does a person's brain have a record of every event that happened during a person's lifetime? Is it possible to recall any of those events and is it possible to recall those events in detail? For ...
496 views

### Is neurolinguistic programming effective in influencing sales processes?

In my country neurolinguistic programming (NLP) has become very popular in sales departments. Therefore, I wonder if there are any experiments which examine the contribution of NLP to the sales ...
199 views

### How are movements stored in the brain?

The high level flow of information through the brain for the purpose of motor control is well established. It is also known the cerebellum stores many different movements, while also participating in ...
438 views

### How do memories come up for no apparent reason? Is this evidence that we remember everything?

As I was driving, all of a sudden the name "Holden Caufield" came to my mind. It sounded really familiar. I googled the name and it was the main character in The Catcher in the Rye. The last time I ...
3k views

### How to measure galvanic skin response with wearables?

I'm trying to measure galvanic skin response in real-time with a wrist-wearable device, similar to what is being done in the paper "Using Noninvasive Wearable Computers to Recognize Human Emotions ...
377 views

### How does emotional pain cause as much suffering as physical pain?

Consider someone who has a serious injury. Example examples include losing a limb, being shot or falling from a great height. It is easy for the human mind and science to comprehend and explain why ...
273 views

### How, other than pharmacotherapy, can those diagnosed with thought disorders be treated?

In general, major depressive disorder is treated with pharmacotherapy, and talk therapy, as well as other little things written below: People know what the little things you can do if you're ...
17k views

### Is it better to study multiple subjects simultaneously or focus on one subject intensely at a time?

Since I will soon have a bit of free time, I thought I'd use it to enhance my knowledge pool. I chose four subjects that always interested me (but that are not related) and thought I'd dive in a bit ...
217 views

### When can we say that machines are conscious?

We have already witnessed complex computing systems winning chess games and IBM Watson beat his human counterparts at a game of 'Jeopardy!'. However, so far we have not seen signs of consciousness ...
1k views

### What exactly is meant when it is said that only you can make yourself happy?

From Lifehack: Thinking that having a significant other will complete you. If you are not a whole person already, then having a romantic partner will not make you whole. Plus, it puts a ...
292 views

### Can memorising a new thing erase existing memories?

Homer: But every time I learn something new, it pushes out something old. Remember that time I took a home wine-making course and forgot how to drive? Marge: That's because you were drunk. Yeah, ...
179 views

### Can a sufficiently complex ANN simulate consciousness? [closed]

Current Artificial Neural Networks (ANNs) are capable of doing variational inference and learning representations and factors to explain the inputs, the outside world. When the network gets bigger ...
692 views

### Does the scarcity of female programmers, suggest that men are more intelligent than women?

Developing software is simultaneously artistic and scientific, which accounts for its appeal for some of the smartest and intuitive people on the planet There is a generally observable and most ...
1k views

### Are woman more Judging than men in the MBTI?

Since I lack of academic formation please be tolerant if I write something not correct. As you know the Myers-Briggs Type Indicator (MBTI) test is based on 4 personality dimensions (E/I, S/N, T/F, J/...
293 views

### Has “induced savantism” been further explored beyond Snyder 2009?

The Mechanism/Neurological subsection of the Wikipedia article Savant Syndrome says: Savant syndrome results from damage to the left anterior temporal lobe, an area of the brain key in processing ...
877 views

### Does adult neurogenesis occur only in the olfactory bulb and the hippocampus?

The scholarpedia article on this subject says: Adult neurogenesis is the process of generating new neurons which integrate into existing circuits after fetal and early postnatal development has ...
910 views

### How to estimate an expected effect size for a planned psychology study?

When planning a psychological study, researchers are often asked to formulate an estimate of expected effect sizes for important hypotheses in the study. This might be the expected group mean ...
559 views

### In what ways do our brains use compression?

I am reading a book on information theory and one line in the book states that "Brains are the ultimate compression and communication systems." However, there is no further elaboration on the matter. ...
4k views

### Is Maslow's hierarchy of needs really accurate at labeling sex as a physiological “need”?

Is Maslow's hierarchy of needs really accurate at labeling sex as a physiological "need"? If so, would that mean that single/celibate people cannot live self-actualized lives unless they have some ...