1
vote
2answers
84 views

Can dreams be memorised?

Would it be possible to activate the human memory and "access" it by means of encouraging certain hormones, to assist a sleeping body to memorize dreams and later (meaning minutes, days, months or ...
4
votes
1answer
134 views

Two different values for criterion in signal detection theory?

I'm a signal detection theory newbie. I have data with a classical SDT design: the participants can answer YES or NO to a question where the correct answer is YES or NO, depending on the presence or ...
1
vote
0answers
25 views

How can depression and fear be effectively managed in people who know they will die soon?

Are there any efficient ways to overcome the fear and depression before death (supposing you know you are going to die soon) ?
-2
votes
1answer
992 views

How to calculate IQ from bhatia battery test?

How to find out IQ from bhatia battery test? Suppose time for each of the 5 subtests is noted down. What are the steps to reach at an IQ value from here?
4
votes
1answer
54 views

Efficiency drop when joining and splitting teams

What will happen when a team is either split or joined with another team? After reading about Tuckman's stages of group development, I understand that the new team will probably start at the beginning ...
0
votes
0answers
19 views

What cognitive principle is behind loss (without aversion)

The loss aversion bias refers to a strong preference to avoid loss than to acquire a similar gain. My question is, when there is no gain to compare to, what cognitive principle is behind our dismay ...
0
votes
3answers
90 views

Phenomena where group truly feels a certain way, but each member says that they feel the other way to avoid being the odd one out

I forgot the name, but I remember reading about it in lifehacker or i09 some time ago. When the group feels a certain way, but say that they feel the other way to avoid being the only one to agree. ...
0
votes
1answer
86 views

Self-reflection? Mindfulness?

How to call such a cognitive process of a person, who often keeps monitoring his or her behaviour by asking oneself questions like "why you are doing it" or "what do you really want to attain", ...
1
vote
1answer
33 views

Why past events reappear in dreams after a certain delay?

I know that Freud in his "Interpretation of dreams" provides a number of examples of events influencing dreams several days to several months after the event has occurred. For example, a person sees a ...
5
votes
1answer
46 views

What exactly is the neurobiological mechanism behind the functioning of the human muscle?

From what I have read, its been given that muscle functioning and coordination involves two processes: frequency summation and muscle recruitment. What I want to know is that, do these two processes ...
4
votes
5answers
165 views

Is it possible to develop curiosity?

I know that curiosity is developed kinda on it's own. You don't know when you'll become curious. But is it possible to train one's mind to become curious about certain subject? I've seen titles and ...
0
votes
0answers
176 views

Database of IQ Test Questions & Answers

Does anyone know of a pre-existing database of IQ questions & answers? I'd like to develop a web application that incorporates IQ tests, and I'd rather not scrape or invent tests if it can be ...
5
votes
4answers
129 views

Can changing attitude cure depression?

There's a proverb: "everything's decided in mind" - changing attitude of thing may help going through things. Does it also mean that if someone is depressed then there'd be enough to change how he ...
5
votes
1answer
165 views

How to read a neuron tuning curve graph?

I'm working through the tutorial of section 2.4 of "How to Build a Brain" and I've encountered this graph of a neuron tuning curve. I understand the Y axis is the firing rate of the neuron, that ...
1
vote
2answers
59 views

Why can we not see around our point of focus of our eyes?

Why do we have to strictly focus on something to really see what it looks like? Is everything else around blurred, or is our brain trained only to see in the center of the image projected on the ...
2
votes
2answers
74 views

Terminology for deep-seated feelings?

I'm interested in human emotion. Particularly, we have many words for different emotions, such as love, hate, etc. The issue arises that I have not found words for some of the emotions I've heard my ...
1
vote
2answers
33 views

What would happen if we cut the corpus callosum?

How would a two-halved brain work? If it would, could we still control things like motion, and would hearing, vision, and other senses still function?
0
votes
0answers
17 views

What is the thought process to solving anagrams à la Countdown

I'm wondering what the thought process behind solving anagrams is, as in, pulling words out of random letters, like in the game Countdown. I am never very good at this game, and I think it's because ...
1
vote
1answer
49 views

How many items do I need to design a measure?

I have to design my own psychometric test to measure a construct. I have a construct, but part of the requirement is to include a rationale for the number of items in the instrument, which I don't ...
1
vote
0answers
25 views

Is there any treatment for cognitive difficulties of patients with Parkinson's disease?

I've read some articles and science papers about Parkinson's disease and found out that many patients often have cognitive difficulties, if not all of them. For memory difficulty, medications to treat ...
1
vote
1answer
245 views

Can anxiety cause a heart attack, black-out or insanity?

David Burns in his self-help book about overcoming depression, anxiety and interpersonal problems called The Feeling Good Handbook¹ states: ...neurotic anxiety results from distorted thoughts that ...
6
votes
1answer
36 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 ...
0
votes
0answers
39 views

Is the Orch-OR Penrose-Hameroff model for consciousness sensible? [duplicate]

I would definitely consider myself a fan of Penrose, but I know very little about Hameroff. My questions, basically, are: Do you think that the theory seems sensible and well based? Why do you ...
1
vote
0answers
53 views

SSRI and Antipsychotic Effect on Cognitive Functions

Does taking SSRI and antipsychotic result in cognitive dysfunctions? What should happen to restore the Cognitive functions like problem solving skills, thinking, memory? What are the most effective ...
2
votes
1answer
16 views

What is the optimal combination of text and background color for EEG experiments?

Most studies that I know of use yellow text on blue background (though with different hues). This choice is mostly motivated by tradition ("We always did it like that. Never touch a running ...
2
votes
2answers
63 views

How to apply different motivational theories to understand career orientation?

"What motivates you towards choosing the career/job orientation you have chosen? Discuss and explain with reference to three of the motivational theories discussed during the course". I'm used to ...
2
votes
3answers
173 views

Is a person with a psychopathic disorder aware of it?

A (former) friend of mine shows lots of symptoms of a psychopathic disorder. Years later after we both met the last time, I'm still not sure whether he is/was aware of this disorder or not. So my ...
3
votes
0answers
63 views

Does limiting mental activity during the day increase mental performance later in the day?

Is there any scientific evidence to support the idea that you only have so much cognitive energy in a given day; and if so, would the mental abilities of someone who focuses on as little as possible ...
2
votes
3answers
150 views

Why are the Big Five factors of personality correlated?

One of main characteristics of Five Factor Model is that factors are not orthogonal as in some other personality models. Why it is tolerated that those factors are not independent? Is it possible to ...
2
votes
0answers
16 views

How to compare tasks completed by neural architectures objectively?

When I first saw this video of Spaun and the tasks it can complete (solving the Towers of Hanoi problem, completing the Raven matrices), I was really impressed, but then I realized I didn't really ...
6
votes
1answer
33 views

What are the common components of other cognitive architectures and the Semantic Pointer Architecture

In the papers I've read about it, the Semantic Pointer Architecture (SPA) embodied in Spaun is said to be more biologically plausible than many other proposed architectures such as the Neural ...
4
votes
1answer
839 views

How does the brain read rotated text?

Suppose a human ran across a letter written at a 45 degree angle. How does the brain read this text? Most people don't often see text written at an angle, so it seems safe to assume that the brain ...
1
vote
1answer
42 views

3D Glasses Aftereffect

I am wearing a pair a 3D glasses. The left lens is red and the right lens is cyan. However, when I take them off, my left eye sees in cyan and my right eye sees in red, the complete opposite of the ...
5
votes
1answer
118 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 ...
0
votes
1answer
57 views

Time passing faster now as compared to 50 years (or 1000yrs) back ? [duplicate]

I asked 200 people (who include my friends and family members in age group of 15 to 70 years living in cities) how they feel about time ? Do they feel that the time is passing faster as compared to ...
2
votes
1answer
93 views

Can brain hemisphere activity/ dominance be inferred from the test subject's drawings?

I'm aware that all tasks that a person undertakes involve both halves of the brain. At the same time, there are studies of people who have communication between brain halves severed or suppressed and ...
2
votes
0answers
23 views

What is the estimated cost of validating a psychometric test?

I had a conversation with my colleague about the estimated cost for validating a psychometric test (e.g., personality test in I/O psychology) How many people should be included and what are they job ...
2
votes
3answers
70 views

Does stress impair your short term memory?

I have noticed frequently, when in a very stressful situation (particularly emotional stress), I will forget things very quickly. To give an example: Recently, I got in a heated argument with a ...
4
votes
2answers
148 views

Does not seeing sunlight for several days impair moral judgment and lower mood?

Background: In winter, daytime is very short where I live. A few months ago, due to a bad sleeping habit, I had not seen sunlight for almost a month. Then I noticed some strange things had been ...
1
vote
0answers
319 views

What's the difference between injunctive norms and descriptive norms?

I can't seem to understand the difference. From wikipedia Injunctive norms involve perceptions of which behaviors are typically approved or disapproved They assist an individual in determining ...
4
votes
1answer
96 views

Criterion for Asperger's Syndrome

I realize that the diagnostic criteria for Asperger's Syndrome (AS) have changed with the latest version of the DSM, but there was a criterion in the DSM-IV for AS that I didn't understand: "marked ...
0
votes
1answer
40 views

According to MBTI tests results are woman more Judging than men?

Since I lack of academic formation please be tolerant if I write something not correct. As you know MBTI test is based on 4 personality dimension (E/I, S/N, T/F, J/P) each of which can assume two ...
0
votes
0answers
21 views

How do we now that someone is staring at us? [duplicate]

Everyone has that ability that they come to know whenever someone is staring at anyone. So my question is that can anyone explain in non-medical terms that how do we know when someone is staring at ...
3
votes
1answer
45 views

Relation between Nengo, SPA and NEF with respect to other Neural Models

I'm working through How to Build a Brain and I keep getting confused on the relation between Nengo, the Semantic Pointer Architecture (SPA) and the Neurological Engineering Framework (NEF). Are there ...
2
votes
1answer
45 views

How to create an online test of bias using preference judgements on pairs of pictures?

I am looking to input pictures into a system to successful measure potential biases. For example let's say I have a set of pictures and I would like the user to press either left or right once they ...
0
votes
0answers
37 views

How long does it typically take before a new environment starts forming part of one's dreams?

Background : I have noticed that when I move to a new environment (e.g., when I get a new job or relocate to a new country) that it seems to take a few months before the experiences of the day and my ...
3
votes
1answer
47 views

What is the metabolic load of the visual system?

The brain consumes energy at eight times the rate that would be predicted from mass alone (20% of total organismic load). How much of this is drawn from the visual system? How does the metabolic load ...
5
votes
2answers
149 views

Why do people get “too old to learn”?

This may be a stereotype, but many of us encounter a lot of people who insist that they can't learn a new technology because they're too old. Some of these people can be brilliant learners in their ...
2
votes
1answer
64 views

Effectiveness of spaced learning when the data have personal meaning

There is much study of spaced learning (expanded retrieval, spaced retrieval, spaced repetition system, gradual-interval recall, etc), and much of the discussion is about around the optimal ...
2
votes
1answer
46 views

Is there any file format standard for EEG data?

I have started to do some research on EEG analysis. One of the challenging things I have found is the variability on the formats for the EEG files. What do you do when you receive data your software ...

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