# All Questions

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### Why do I get smaller accuracy when I use 80% of training sets using HMAX model?

I am trying to compute the accuracy of the HMAX model. I am using the Face category (containing 435 images) from the Caltech101 database. I split it into $x$ ...
30 views

### Is there an easy way to tell whether I woke up during REM or non-REM sleep?

I wake up during the night. Is there an easy way to tell whether I've woken up during REM or non-REM sleep? One way could be to look up the time, calculate how long I've slept and then take into ...
45 views

### What is the current consensus on if fMRI studies in blood flow actually match brain activity?

How good is blood flow (BOLD signal) as a measure of actual neural activity? What deficiencies exist?
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### Is there any evidence to suggest telling puns to a child makes them enjoy it when they are older?

My own experience was that my father and grandfather retold many puns as I was in my childhood and teens; at the time, I thought it was abysmal. Now I think they're the funniest things ever. Is ...
120 views

### How and why can movies take us out of our everyday physical reality and into a fantasy world?

Have you ever experienced that feeling after watching a really great movie (somewhat like a dramatic one) that after watching the movie, you got carried away? Even though the movie ended well in a ...
56 views

### What is psychological basis of the great love parents have for their children?

Why is it that the parents, specially the mother, generally have this unmatched love for their children? What is the psychological reason behind it? Is it more biological than psychological?
64 views

### How does belief in souls or the afterlife influence emotions related to the death of others?

Background: Once when I heard of a death in my locality, I was happy rather than feeling grief because I was thinking that the soul of that dead person has achieved the truth. How does belief in ...
139 views

### Is it truly necessary to upgrade Tononi's criteria of consciousness in the Integrated Information theory?

I am referring specifically to a very recent paper by Max Tegmark. In this paper he proposes 3 more criteria (independence, dynamics, and utility principle) in addition to Tononi's original criteria ...
67 views

### At what point in our life do we know what is real?

Is "real" or reality defined during childhood, or as adults? Is this caused by age, or an event?
204 views

### Split Brain Experiments on Animals

I was wondering what would happen if you took a split brain person and stimulated the pleasure center of one hemisphere and the pain center of the other hemisphere in conjunction with an external ...
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### What is the current state of knowledge on the roles and mechanisms of top-down information flow in the brain?

I have heard that "90% of information flow in the brain (or maybe it was just the visual cortex) is top-down". I'm not sure if this claim is substantiated, but I do get the impression that there is ...
63 views

### How to best prepare the mind for a problem identification brainstorm?

I am a manager of a team of software engineers. We often use brainstorming sessions to generate solutions to problems. We use typical cognitive games, e.g. word association, to "warm-up" and ...
88 views

### Is there a way to hasten recovery from sleep inertia?

Sleep inertia is a transitional state of lowered arousal occurring immediately after awakening from sleep and producing a temporary decrement in subsequent performance. (1) There is study ...
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I am wondering, is there any research or just reasoning over whether a human perceives text easier if it is in questions and answers format or if it is structured with headings and sub-headings. ...
190 views

### How to interpret HLM analyses looking at work group and individual worker effects?

Liden et al (2004, PDF) is an example of a study examining employees in work groups in an organisation. Thus, measures are obtained of both individual workers and of the work groups that they belong ...
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### What contextual links would make full-text journal articles more useful? [closed]

After searching PubMed or Google Scholar researchers often arrive at a publisher's full-text article page. Assuming that you have access to the full-text access, what contextual links should be ...
26 views

### How to recognize people with high need for cognition?

In my own little study I am trying to describe the personalities of different persons I know personally, by adding traits to them. Among other traits, I am looking for those who have a high need for ...
10 views

### Tactile perception of printed advertising materials and brand image

Does texture of paper (e.g.matt or glossy) of printed advertising materials affect the perception of brand image? From what I've researched so far ...
25 views

### reliability of fmri and pet [on hold]

While I admit that pet/frmri scanning is possibly reliable when measuring physical aspects of the body, I would like to know how reliable it is when measuring cognitive aspects e.g. emotion. How ...
20 views

### How to measure improvement in Mental Acuity/Sharpness?

Are there any accurate tools that can tell the changes in mental acuity/sharpness?
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### Is there evidence for cross-cultural differences in problem solving skills?

Does the thought process in our mind for solving a problem or bringing out a solution to a problem depend on culture or language? If so, how can these skills be represented and addressed?
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### How does a person become aware of his brain's anomaly? [closed]

We know that our brain is a sort of probabilistic, pattern-matching engine that interprets patterns all around itself, and building a large image of environment where the body resides. Considering ...
27 views

### What is the difference between creators of derivative works of art and original creators? [closed]

I like to write and am a frequent user on writers.stackexchange.com. Many questions there and in other writing or art related communities ask a variation of: I want to use the setting / characters ...
21 views

### What is the evidence for linguistic determinism?

Lately, I have been pondering whether the idea of linguistic determinism has empirical support. Background: I know a couple languages, and I am proficient in 2 of them. So sometimes if I need to ...
75 views

### What cognitive abilities show the smallest B-W differences in mean scores? [closed]

Traditionally, employee selection tests focus on cognitive abilities such as reading, reasoning, and math. These have large Black-White (B-W) effect sizes (standardized mean score differences). The ...
63 views

### What drives users to play Reddit's “The Button” game?

There's this amazing social experiment going on Reddit - the Button as of April 1 2015. Here's an example of a website that tracks statistics of the experiment: http://button.mtsanderson.com/ Reddit ...
14 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 ...
17 views

### Standardizing sales data with dollar market data within USA [closed]

In the study of performance... One approach to standardizing sales data across different regions of the country may be to adjust for the relative wealth/purchasing power of the clientele in a given ...
23 views

### Is it possible to design a visual and auditory oddball paradigm in Android?

I want to design an oddball paradigm to record event-related potential. Is it possible to design a visual and auditory oddball paradigm in "Android"?
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### Before and After survey. How to achieve this online [closed]

I was recently given a project by my professor. I am to provide a Before and After survey regarding sickle cell anemia. One survey is to be provided before a video that talks about sickle cell anemia. ...
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### rat 3D Brain Atlases [closed]

I'm looking for publish an image of the rat brain for an article with a specific places selected on 3D. Just like this picture: I heard about the Elsevier program BrainNavigator 3.2, but the ...
41 views

### Research on the van Norden percept

What are the latest research and explanations concerning this auditory effect? I haven't managed to turn up much on the net, so just to check that I've named it correctly, my experience of it was ...
20 views

### How to Focus on One thing at a time? [duplicate]

My Mind is always filled with useless some many thoughts at a single moment, that i feel hard to focus , concentrate my attention on one task at a time. My attention span is very low. I get distracted ...
45 views

### Are Pareto charts identified in the cognitive sciences (and for willpower in particular)?

I'm a layman when it comes to the cognitive sciences. I've read some number of popular self-help books, but not any academic journals. I've noticed that many times a book suggests some techniques for ...
24 views

### Psychological problem with glasses and hats on head? [closed]

I knew a kid who, when they was little, they would have attacks when a relative removed their glasses. She would sometimes do it on purpose in front of them and they would have emotional outbursts ...
64 views

### Why do some researcher still prefer Myers-Briggs Type Indicator over Five-Factor model? [closed]

Big Five or Five-Factor model has 32 traits while Myers-Briggs Type Indicator has only 16. But inspite of this, there are still people who use MBTI over Big Five.
34 views

### Can animals think intuitively? [closed]

We agree that human beings have intuition - "the ability to understand something instinctively, without the need for conscious reasoning." And the level of intuition varies from people to people. Can ...
29 views

### Tell-tale signs of ability to present information in clear and elegant visual form [closed]

How does one's ability to present (systemize) information into a clear and understandable format (e.g. through tables/ diagrams/ interactive interfaces/ multimedia/ etc) usually show? (In other ...
32 views

### What clustering algorithms are most similar to how humans cluster data? [closed]

Clustering algorithms group unlabelled data, such as in the following example: Which clustering algorithms are similar to how humans do clustering? (e.g. Connectivity based clustering (hierarchical ...
36 views

### Is it necessary to read signals and systems before statistical signal processing/ detection theory [closed]

For one who is interested in computational neuroscience and brain computer interface, in university curriculum (e.g. BCCN Berlin), it requires a course in statistical signal processing / signal ...
20 views

### Accuracy of methods for detection of dementia in EEG

I found these methods mentioned in bioengineering and other papers: Fractal Dimension Measure, Probability Density Function of the Zero-crossing Intervals, Approximate Entropy But I think every of ...
20 views

### Do studies exist that can map specimens of neocortex to the functions they perform(ed) in vivo?

Much brain research has proposed that the brain (the neocortex, esp.) is set up in areas - an area for faces, an area for language, etc.. The experiments typically go 1) damage an area 2) observe ...
40 views

### What are the 50 words on the Wechsler Test of Adult Reading (WTAR)? [closed]

I recently took part in a study that asked me to read 50 words that were spelled differently than they were pronouced, some more commonly used than others. Does anyone know where I could find this ...
38 views

### Success cause passion more than passion cause success

What are the good psychology studies about this hypothesis ? From an evolutionary standpoint, it would makes sense on a group level. When a few people starts doing a new thing, if one a them sees ...
21 views

### As adults, is it possible for thoughts to originate from our own thinking? [closed]

We, as human beings, formulate our own thoughts and notions about everything that we perceive. As we grow up, we acquire knowledge through different means (like parents, teachers, books, movies etc.) ...
14 views

### Is brain more active when you do something in dream or wake up?

If brain activity is measured using EEG, is the brain more active when sleeping and dreaming of doing something or doing the same thing when wake up? Of course, if you do exercise (eg. running) when ...
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### Is there a relationship between gender and the effectiveness of various psychotherapeutic methods? [closed]

While doing research on various existing psychotherapeutic methods and perspectives, I came to wonder whether there were any existing relationship between gender and the responsiveness to given ...
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### “Need” vs “Want” in psychology

In marketing the terms needs and wants are usually used to refer to different concepts. It is not clear to me what exactly they mean. In psychology what are the definitions for needs and wants? What ...