# All Questions

56 views

### Evolutionary motivation for the existence of pleasure

Firstly, I'd like to understand, what exactly is pleasure? If we presume we are streams of thoughts, thoughts being neurons activated in some pattern, and that basically anything what the conscience ...
74 views

### What is the effect of irrelevant reading after study on memory consolidation?

I heard and experienced a little that unconscious mental processes involved in storing memories work really well when you are not thinking about your study subject during rest. However, I'm not sure ...
39 views

### Is there a psychometric tool for measuring the difficulty of mental activities?

It is often stated that Alzheimer's disease can be prevented to some extent when a person engages more often in challenging mental activities ...
48 views

### What does double dissociation really tell us?

In psychological research, a single dissociation is when a manipulation leaves one cognitive function (say, A) intact whilst severing another (say, B). This indicates the functions A and B are at ...
41 views

### What is the difference between cognition and artificial intelligence in the context of robotics?

A lot of research work is being conducted on artificial intelligence and robotics. Terms like cognitive robotics are used. What is the difference between cognitive robotics and artificial intelligence ...
179 views

### Why do we rely on others in dangerous situations?

*This question is based on my observations. Q: What is the reason people trust their peers implicitly in extreme (or not) situations? Example: I am walking with a friend, and I am telling him ...
32 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 ...
47 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 ...
209 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 ...
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 ...
24 views

### What makes a sight or an image mesmerizing and irresistible?

There are some examples of this. What makes us: Feel we just HAVE TO watch that video or an image again, it's common with comedy videos Feel we need to stare at a such a beautiful sight, a person ...
122 views

### Can a strong lack of empathy be considered a disorder?

Premise from Wikipedia: More recently, popular science writer and Psychologist Daniel Goleman has drawn on social neuroscience research to propose that social intelligence is made up of social ...
32 views

### Overview of Pitts & McCullough (1943) “A logical calculus of the ideas immanent in nervous activity”

Is there a good tutorial or simplified overview of the paper, 'Logical calculus for nervous activity' (McCullough & Pitts, 1943)? Reference McCullough, W. S., & Pitts, W. (1943). A logical ...
109 views

### Elaboration likelihood model: would attractiveness be a peripheral or central route?

In the elaboration likelihood model, if an advertisement contains an attractive person, would this be using the central route or peripheral route? I would guess it would be peripheral route, since ...
54 views

### Research on properties of effective feedback

I've been searching everywhere I know of for research concerning the topics listed below, but have been unable to find anything. The best I can come up with is general literature on feedback. ...
40 views

### 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 $x$ ...
26 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 ...
26 views

### 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 ...
47 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?
80 views

### How does the brain learn abstract maths?

I have found quite a bit of information of how, on a neurological level, we learn the most basic forms of maths. We seem to be hardwired from the get go, to deal with manageable quantities, can ...
54 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 ...
128 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 ...
55 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?
57 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 ...
67 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 ...
29 views

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. ...
747 views

### Sadistic personality disorder, psychopathy and correlation with violence

Going through some article, it seems the differences between the descriptions for sadistic personality disorder and psychopathy is minimal, if at all existent. In the first article it appears the ...
146 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 ...
49 views

### 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 ...
28 views

### What neurotransmitters can be suppressed/promoted by tDCS

Transcranial Direct Current Stimulation (tDCS) has been shown to modify suppression in the visual cortex and GABA suppression in motor control. As of now, the exact neurobiological mechanism that ...
8 views

I am using nilearn and nipy package for python processing FMRI data. When computing mask, it says: ...
8 views

### Does dream recall alter the dreaming process?

I've encountered the following phenomenon : within a single night of starting a dream journal again, my dreams became more numerous, recall improved and I'm waking up after each sleep cycle except the ...
16 views

### Physiological mapping of frustration

What physiological changes are seen in the brain when a person is experiencing frustration? What effects do these changes have on learning? Optional background: I'm trying to figure out an ...
10 views

### Studies on visually recognizable personality traits?

Are there any studies on the possibility of visually recognizing someones personality? When I say "visually recognizing" I mean things like clothes, accessories, body attitude, visible behavior, ...
16 views

### If stimulus triggers dopamine release, can dopamine release trigger memory recall of stimulus?

Modern science of sleep is starting to lean towards a viewpoint that dopamine has an important function in dreaming, and that dopaminergic pathways - mesolimbic and mesocortical are activated during ...
20 views

### Why is sunrise therapeutic?

Despite being a night owl, I find when I'm up and about at sunrise1 I feel mentally much better than any other time of day - regardless of how much sleep I've had or whether I've been awake for many ...
38 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 ...
42 views

### How many words are toddlers “making up”?

My 20-month old has learned many words to express herself. In addition she says many other words that are indecipherable from context nor pronunciation. It's most noticeable in novel or unusual ...
15 views

### Is there a left or right preference to raising one side of the lip in contempt?

Contempt is expressed asymmetrically - one lip corner is pulled in and back, in what could be described as a half-smile. Are there any trends in terms of people or societies which prefer pulling in ...
30 views

### What are some key behaviors that stone-age humans evolved to help them survive and reproduce?

In Wikipedia's article on evolutionary psychology, two of six given key premises of EP are as follows: Different neural mechanisms are specialized for solving problems in humanity's evolutionary ...
8 views

### Brain areas active while learning hierarchical structure of a problem

There are multiple examples in the machine learning literature of trying to learn the hierarchical structure of a reinforcement learning problem, however have there been any papers tying this learning ...
51 views

### Alternative to the Cognitive Behavioral Therapy table format

In Cognitive Behavioral Therapy, patients are asked to analyze their thought content. For example, in cases of major depressive disorder, OCD, anxiety disorders, one thing that trips people up most ...
32 views

### What is the neurobiological basis of the “inner voice” used for thought or reading?

I've recently experienced a number of hypnogogic near sleep states characterized by change in thinking (stage 1-2 sleep). I noticed that if I let go and get absorbed in the state, I can follow it. I ...
20 views

### Is there a part of the human brain responsible for triggering imagination, fantasy and coming up with unusual stories?

I'm trying to understand if there's a specific process or part of the human brain which, when activated causes the person to daydream, engage in fantasy or come up with ideas that are far from common ...
19 views

### Why do the colors I see associated with a particular vibration/sound change?

After many years of research I found that I am a vibration (sound) to color and feeling synesthete. Everything I have read says that the colors one sees with an associated vibration should be ...
54 views

### Logical Skills and mathemtical skills of people with ADHD?

I am suffering from combined type of ADHD (Both Inattention and Hyperactivity). I would like to know the below 2 points How do the rationality and logical thought processes those with and without ...
29 views

### Is memory biased towards positive or negative memories?

I am trying to understand the relationship between positive/negative memories and the congruence of memory to existing beliefs. These quotes are from Wikipedia, presented in alphabetical order: ...
14 views

### What's the purpose of worry [if there is any] and how and why does it affect cognitive skills?

I've read some articles lately about worry and how there are basically two types of worry: one doesn't last long and makes you decide to do something ,solve a problem,act on it the other one last ...