# All Questions

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### What is the set of cards used in the Wisconsin/Berg Card Sorting task?

I'm a little confused about what cards are included in the Wisconsin card sorting task. According to PEBL there are two sets of cards available for the task, one set of 64 cards and one set of 128 ...
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### Long term effect of using noise generators

Some people use noise generators as http://playnoise.com/ to reduce distraction by background noise. Is there any research on the long term effects of this? Does this affect the neuronal connections ...
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### What happens psychologically to a Robinson Crusoe?

In 2000 film Cast Away Tom Hanks's hero is stranded on an uninhabited island, Robinson Crusoe style, and after a while starts talking to a volleyball. And I thought: what would actually happen to a ...
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### Has anyone formally tested Josh Pellicer's theory on human sexual behavior?

I read Josh Pellicer's book titled "Tao of Badass." He discusses the sexual behavior of men and women and how they interact during the dating process. However, I have been unable to find any ...
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### Can someone not feel i.e. neglect pain sensation?

Ronda Rousey (UFC Women's Bantamweight Champion) once said on a talk show (Conan) that she can take a punch and not feel pain, she added that she knows what pain is and she can just simply neglect ...
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### Does meditation improve working memory more than exercise?

I have noticed that I feel much more mentally sharp after doing an hour of moderate exercise in the morning. On the contrary, when I meditate, I feel no such difference in my mental alertness. Isn't ...
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### Hypnosis: Different inductions' - rapid and non-rapid

I have been learning about hypnosis, inductions etc. and I have heard how there is a spectrum of how able people are to be hypnotised. There are those who will go into trance at the drop of a hat, and ...
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### PTSD based on false memories

Memory is not just static snapshots or video on a harddrive, but an active process. As such, it is possible to construct false memories (Brainerd & Reyna, 2005). Some of these false memories can ...
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### What brain wave states are associated with hypnosis?

What brain wave states are most correlated with deep hypnosis?
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### Have there been any recent replications of the Hofling hospital experiment?

In the original Hofling hospital experiment (1966): A person would telephone a nurse, saying that he was a doctor and giving a fictitious name, asking the nurse to administer 20 mg of a ...
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### Colorado Boulder study about brain morphometric measures of Cannabis users methodologically weak?

I'm relating to this study: http://www.jneurosci.org/content/35/4/1505.short The researchers found no differences in subcortical brain structures for daily Cannabis users vs. controls. However the ...
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### What is the Mechanism of 5-HT2A-mediated psychedelia?

Drugs that activate the serotonergic 5-HT2A receptor (e.g. LSD, psilocybin, mescaline) are notorious for causing psychedelic experiences and I would like to know the neurochemical mechanism behind ...
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### Dissociative Identity Disorder - Is Stalking Common with this Issue?

A person I knew in the late 90's was diagnosed with Multiple Personality Disorder, during the SRA pandemic. http://en.wikipedia.org/wiki/Satanic_ritual_abuse Later on their particular diagnosis ...
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### Brainwave audio recordings and beta waves: how do they affect positivity?

I know a little bit about negative and positive energies of human bodies and how it all works. Recently, on Facebook, I saw an ad promoting some sort of audio recording and that it has something to do ...
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### Is it possible to think in a second language?

Those who have learned a second language are guaranteed to consciously think of words and their corresponding meaning in your native language or vice versa. This is common with more "complex" ...
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### Are there mental reflexes?

Similar to knee-jerk or withdrawal, are there any innate reflexes in cognition? Are they based on personality, or are there any that are universal?
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### Does the retina encode visual information like a Bitmap or an SVG?

I heard recently that a scientist has developed a retina prosthesis. So I think this is a question that has an answer. Does the retina encode information like a Bitmap image or an SVG image? (A ...
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### What is the simplest entity that would be considered “conscious”?

Generally, we think of humans as having a (relatively) advanced level of consciousness, but we don't think of simple molecules as having any sort of mental capacity at all. So where in between does ...
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### So why might people post seemingly excessive concerns regarding the danger in their neighbourhood?

Background: The reason for this post is that I have noticed that many people have a desire to make that which is pretty safe seem dangerous. It is very perplexing to me. Despite holding a master's ...
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### Are good students truly good at all things?

Source: 'Putting a Bolder Face on Google' By LAURA M. HOLSON At a recent personnel meeting, she homes in on grade-point averages and SAT scores to narrow a list of candidates, many having ...
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### Calculating d-prime

I'm currently working on a research that has to use and calculate D Prime values for a task where subjects are presented an image at different speeds and they have to report if they saw the image or ...
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### How strongly are creative ideas influenced by our environment?

Background : I was recently reminded of an abandoned project of mine that is related to railways and "green energy," so I started doing some Internet searches to see if there are any similar projects ...
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### Relationship between oculometry/pupillometry and disorders of consciousness

I recently got to wondering whether certain eye movements or pupillary responses were correlated with disorders of consciousness (coma, VS, MCS, or even locked-in syndrome). I know that the pupillary ...
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### Why do con artists not feel guilt?

I just finished watching a video of Frank Abagnale Jr discuss his life history. Who knows if its true, but it is an amazing story. For those who don't know, Frank Abagnale is one of the most infamous ...
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### How does this illusion - that I just inadvertently created - work?

As I was working on a basic chess application for Android, I loaded some chess clip art into my imageviews. Then this happened. Look closely at the top two rows. At first I was startled. My ...
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### Why do programmers work at night?

I can be described as a morning person, where waking up at 4:20 AM to catch a flight is no problem. My colleague on the other hand go to bed no earlier than midnight and often later than that. We're ...
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### Conditioning/training value of objects in experiment

In visual attention and decision making, how do experiments teach participants the value of specific objects (high vs low vs none)? Does anyone know of studies that done this which go into ...
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### How to find the upper and lower quartiles of the Ryff scale?

I received this question via email and thought the answer might be sufficiently general to be worth posting here. I have used the Ryff scale in my research . Actually I am confused about the ...
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### Phase locking value (PLV) between $x(t)$ and $x(t-T)$

I have been trying to calculate PLV using the hilbert transform (reference). To test if it even works or not, I calculated PLV between $x(t)$ and $x(t-T)$. i find that it drops to zero very quickly as ...
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### What is the relationships between psychological entitlement and locus of control or other personal characteristics?

I'm studying psychology and I have the assignment to write an experimental study I'm still collecting the scientific information on the topic so I would really appreciate some help. I'm interested to ...
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I have this question from wandering how a person, who does not have speech capability or is isolated from people who speaks, could learn how to read? Will a language (A) like English or (B) like ...
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### How does my spinal cord know to take reflexive action?

As in, how does my body know that a stove is not hot enough to warrant a reflex? Is it because there isn't a sudden electrical surge going through the nervous system?
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### Why does the unilateral 6-OHDA lesion Parkinson's model cause ipsilateral rotations?

As far as I understand, the loss of dopaminergic neurons should hinder movement in the contralateral side of the body, resulting in contralateral rotations when the animal tries to move forward.
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### Can you catch up on lost sleep?

The lack of sleep has many negative effects associated with it. Maintained sleep deprivation results in a degraded performance over time (in this case reaction time). Assuming one needs 8 hours of ...
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### Is it necessary to read signals and systems before statistical signal processing/ detection theory

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 ...
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### What causes dreamers to accept dreams as reality?

I have long had interest in dreaming, and one of the defining features of ordinary dreams is that the dreamer either accepts the dream as "real life", or does not question the surroundings. Compare ...
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### Why do people fear statistically unlikely things?

Over 10 times more people die in circulatory diseases than accidents (source). Nevertheless people fear (in general) more accidents than circulatory disease. In addition, there are statistically even ...
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### What are the neurobiological factors related to depression?

While it is agreed that neurotransmitters aren't the primary "cause" of depression, what other factors are a part of this mental illness that focus on the neurobiological aspects of it?
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### Is the theory of Information Metabolism a reasonable scientific theory?

Background I have been checking out various personality typing assessments lately when I came across a Personality typing system known as Socionics which aims at explaining relationships between ...
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### Is it possible to become addicted to sleep deprivation?

Background: After staying awake for an entire night without sleeping medication, some individuals report feeling tired while others report feeling euphoric and at some point begin to hallucinate with ...
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### Which parts of the brain are used when identifying and sorting email messages?

When most people view their email inboxes, they'll see several different types of messages; for example, emails which have been auto-generated by services we use, communications with real humans which ...
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### Can one take advantage of the personality to learn better?

For example if you are a shy guy it's better to study alone in a room overnight and if one is more extroverted it's better to go to the park and study under a tree taking the sun watching people ...
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### What speech synthesis software is suitable for research?

I'm looking for recommendations for speech synthesis software that can be used to generate audio stimuli. The audio stimuli that I'm trying to generate will be long sequences of isolated syllables. ...
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### Is there a difference between hearing and decoding the sound?

I presume that deafness is the inability of hearing any sounds. And I presume that it's also possible to be less able to decode (and translate to a meaningful message) what others speak [happens a lot ...
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### Perspectives on Inner Monologue Recording;

Assume a distant future when decoding a person's inner voice is a possible task, by some technological mean. By inner voice I'm referring to the internal monologue that develops when one is thinking. ...
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### Are all psychological problems only biochemical in nature?

Are all psychological problems only biochemical in nature or do some 'mental' components ( that is some form of conceptual 'conditioning' caused directly or indirectly or 'subconsciously' by the ...
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### What are the smallest neurons ever identified?

What are the smallest neurons ever measured? I'm happy with any superlatives, such as the thinnest axons or dendrites, smallest somata etc. Thank you :)