For questions regarding the study of the underlying neural substrates of cognition, especially those at the crossroads of psychology and neurobiology

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1answer
79 views

What is the purpose of hemispheric specialisation in the brain?

What is the benefit or purpose of having different hemispheres of the brain contribute more to different cognitive processes?
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8answers
3k views

What's the major difference between mind and brain?

I am preparing a presentation on "Mind Reading Computer", and all articles that I came across were focused on reading interpretations from brain through sensors. Articles like this clearly show a ...
2
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1answer
178 views

How does cognitive science explain distant intentionality and brain function in recipients?

Achterberg and colleagues' (2005) study, Concluded that instructions to a healer to make an intentional connection with a sensory isolated person can be correlated to changes in brain function ...
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0answers
133 views

What is a neurometric function? [closed]

Is the output of neurometric function the output of the pattern classifier i.e is it calculated from processing the imaging data of brain as a prediction of what choice was made through psychometric ...
5
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0answers
161 views

Is there evidence to suggest that music can trigger release of a particular kind of neurotransmitter?

I've recently listened to a podcast, "The music in your brain", in which Dr. Daniel Levitin suggests that: Soothing music can trigger release of oxytocin Sad music triggers release of prolactin An ...
3
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1answer
103 views

Do different methods of testing memory for character sequences result in different brain activation?

Assume a certain sequence of N characters, displayed on a screen one by one, that should be memorized. The speed of the display is such that it doesn't produce much extra stress. You may assume that ...
3
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1answer
51 views

What are “linear spatial weightings” and “specific temporal windows” in Philiastides & Sajda (2006)?

I am undergraduate student in mathematics and a complete beginner in the field of neuroscience. I recently started a project in Mathematical biology which brought me to the above mentioned paper. I ...
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0answers
42 views

What is the maximum amount of synapses? What processes (if any) increase synapse amount? [closed]

How plastic is the brain? What is the maximum amount of synapses? What processes (if any) increase synapse amount? What are some of the advantages of having more or less synapses?
3
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1answer
1k views

What is depersonalization and derealization disorder from a neurological point of view?

Lately, there is a lot of information on the psychological, experiential and behavioral aspects of DP/DR. (I find it most interesting as many have described it as having one foot in the spiritual ...
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0answers
214 views

What is the neurological basis of maintaining self discipline?

Self Discipline, as defined in this meagre Wikipedia article as being as the ability to motivate oneself in spite of a negative emotion This is partly distinct from self control and willpower ...
3
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2answers
106 views

Does a person experience release of dopamine while doing something she/he enjoys?

I am wondering if a person would experience an increase in the level of dopamine while doing something she/he enjoys such as playing guitar or reading a book. And what are some other neurotransmitter ...
2
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1answer
143 views

How far can we train mental calculation?

Mental calculators are people with a prodigious ability in some area of mental calculation, such as multiplying large numbers or factoring large numbers. Unfortunately I forgot where I heard it, ...
5
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1answer
165 views

Computational model of biological object recognition

The human brain can achieve a remarkable ability to recognize visual patterns in an Invariant, selective and fast manner. The human visual system is quite powerful. It has an exquisite selectivity ...
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2answers
285 views

Neural Microfilaments for Computation?

I just watched an interesting TED talk (http://www.youtube.com/watch?v=1d5RetvkkuQ) where a Stuart Hameroff proposes that a neuron's microtubules are responsible for computations, and that they are ...
2
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0answers
48 views

What are some theories on Cognitive model of Human Imagination?

I have no knowledge about neuroscience but recently I was wondering what is the cognitive model of Human Imagination? How does the human imagine things that don't exist? Suppose I ask anyone to ...
6
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2answers
147 views

Does Andler's (2012) article on 'Mathematics in Cognitive Science' provide an accurate picture of mathematics in cognitive science?

Andler (2012) wrote: What role does mathematics play in cognitive science today, what role should mathematics play in cognitive science tomorrow? The cautious short answers are: to the factual ...
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1answer
201 views

How does the brain calculate velocity?

How does the human brain calculate velocities? For example, when crossing a road and seeing a car coming towards you, how does the brain actually compute the rough velocity of the vehicle and your own ...
3
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1answer
53 views

Do the brains of non-altruistic persons mirror the observed experience of suffering?

Altruistic behavior can have different motivations: from the hope that the help you give will ultimately benefit yourself (social exchange theory) to a selfless wish to alleviate someone's suffering. ...
4
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0answers
72 views

How do auditory and visual hallucinations differ within the brain?

I asked this question How are hallucinations generated, is it related to dreaming?. It occurs to me that auditory hallucinations may well be generated in a different part of the brain to visual ...
6
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3answers
129 views

How are hallucinations generated, is it related to dreaming?

I was thinking how powerful auditory and visual hallucinations must be, for the individual experiencing them to be unable to distinguish them from reality. I, personally, have not experienced a ...
2
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1answer
101 views

Is workaholism similar to any addiction or are there other neurological mechanisms at play?

Some people are seemingly 'addicted' to their work and by doing work itself, almost to the point of precluding all other activities and interactions (usually social). By this question, I mean when ...
7
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1answer
116 views

How to set up a binocular rivalry experiment which splits a single image in two separately controlled ones?

The question is about the actual physical setup and steps needed to take in order to experiment with the phenomena. I found a tutorial on jove.com, "How to Create and Use Binocular Rivalry", and it ...
5
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3answers
130 views

Frequency at which electrodermal response should be measured

I'm computer science graduate working on a health monitoring device. How much is the delay in electrodermal response? i.e., the time it takes before which an electrodermal response can be realized. ...
3
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1answer
253 views

What are the neurological and psychological bases for chromophobia

According to this amusing, yet informative Cracked article, Phobia-source article and Chromophobia: do you have a fear of colours website, chromophoba is a fear of bright colours. This condition is ...
4
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1answer
116 views

How does chronic stress improve memory processes?

There seems to be more information on the detrimental effects of stress on memory. There is evidence to the contrary. Stress effects on memory: an update and integration. Schwabe L, et al doi: ...
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0answers
103 views

What is the neurobiological basis of Spearman general factor of intelligence?

I found here a brief intro to genetic factor of human intelligence: http://www.ncbi.nlm.nih.gov/pubmed/1036362 Also there is known that gyrus hipocampii is basis of STM which have role in general ...
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3answers
111 views

Failing to recognise one's own work

Disclaimer: This is not a self help question, I am using myself as an example to illustrate my question. Example: I have posted many questions and answers on this site within a relatively short ...
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1answer
442 views

The genetics of handedness

In response to these questions: Are there benefits to learning to write with your non-dominant hand? Spontaneous change of handedness I used myself as an example for spontaneous handedness change. ...
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0answers
111 views

Spontaneous change of handedness

I read this question Are there benefits to learning to write with your non-dominant hand?. It got me thinking. Disclaimer: This is not a self help question I am using myself to illustrate the ...
10
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1answer
4k views

Are there benefits to learning to write with your non-dominant hand?

There are some articles on the web that recommend learning to write with your non-dominant hand to get in touch with your inner child or a higher power, increase your creativity and be more ...
4
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1answer
139 views

Does long-term alcohol use permanently change one's thought processes?

Is long-term alcohol use really capable of permanently changing one's thought processes? In what ways is this possible, and through what physical changes in the brain does this occur?
3
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2answers
400 views

What is the maximum size of content the human eye can focus upon?

What is the maximum size of content the human eye can focus upon on a computer screen? Is there a general equation that gives this size as a measure of distance from the screen etc.? What is the ...
3
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2answers
184 views

Can ESP and out-of-body phenomena be understood as a form of dreaming or hallucination?

Currently reading about psychedelic experiences, and it is noted in Wikipedia that: Level 4 psychedelic experience Strong hallucinations, i.e. objects morphing into other objects. ...
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1answer
59 views

Do graphemes relate to communication and thought disorders?

The question Does language and/or culture affect an individual's cognitive capacity? explores the possibility of differences in cognition based on language and cultural variations. In this question ...
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3answers
215 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 ...
2
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1answer
176 views

What is the neurological mechanism responsible for losing one's temper?

I'd imagine that losing one's temper is quite normal, I can not think of anyone who has not experienced it. For me, it is rare, but does happen, I find that there can be 3 broad stages occur (note: ...
8
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1answer
111 views

The effects of pain on cognitive function and incidence of depression

There have been studies about the link between depression and cognitive function.. There have been studies between pain and cognitive function. This has, also, been discussed in this question here. ...
2
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0answers
78 views

Can “7 deadly sins/virtues” be explained in terms of brain hormone level or receptor mutations? [closed]

I'm thinking about this question on biology.se: do hormones make men think of sex? From the interview linked in the answer, I get two takeaways: a man who lost most testosterone for 4 months ...
11
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1answer
269 views

Does dopamine signal become stronger when goal distance is defined using time?

Howe et al (2013) found that a dopamine signal becomes stronger as a goal is approached. The experiment involved rats running in a maze. If the rats were close to solving the maze, the dopamine signal ...
4
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0answers
80 views

Are we to a point in research that we can correlate measurable phenomena with brain changes?

Given that Long Term Potentiation (LTP) is the process of improving synaptic efficacy. Given that within a lab, the strength and repetition of stimulus on the brain can be linked with the priming of ...
4
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2answers
168 views

What are the neurological mechanisms for a fear of heights when atop a building, but not in a plane?

A fear of heights (or acrophobia), can be debilitating (I know it can be for me). My question is what is the neurological mechanisms that cause a fear of heights in a tall object such as a skyscraper ...
3
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3answers
233 views

How did the unique features of human intelligence evolve?

I have been debating the following topic with a friend. She argues that humans do not descend from chimpanzees or orang-utans, because if we did, such animals would share the same cognitive thinking ...
5
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1answer
260 views

Information sampling task

There is a lot of research done on impulsivity trait. Here is detailed wikipedia article and here is one interestiing video of biological and psychosocial causes of impulsivity. In wikipedia article ...
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2answers
602 views

Skin conductance responses to emotional stimuli

The skin conductance response (SCR) is said that cannot be reduced to one specific stimulus (Boucsein, 2012). Does this mean that if the participant is presented with stimuli of different emotional ...
7
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1answer
65 views

Neural Mechanisms of Accumulation and Triggering

What is the mechanism by which the brain/mind 'accumulates' a felt-sense to a point of 'triggering' an action? For example, if unable to complete a task (e.g. opening packaging), a person can feel ...
2
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1answer
73 views

To what extent does the awarness of the presence of others affect brain function and cognitive state?

This scope pertains to non-life threatening interactions and the awareness of the presence of a single or multiple individuals - (not direct conversation, not group mentality) just the presence. To ...
4
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1answer
221 views

What is the consequence for the MBTI in not having a neuroticism factor?

This very interesting question: Do the Jungian Cognitive Functions/ Processes really exist? is dealing with neuroscientific attempts to show Jungian functions and preferences exists. In addition to ...
6
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1answer
157 views

Intro to EEG - Electroencephalography [duplicate]

Are there any introductory level text, researches or video for "How to learn EEG"? Those material should include dictionary of terms, what waves mean, how to connect some activity in waves to brain ...
3
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1answer
169 views

What are new and exciting research areas or applications in systems neuroscience? [closed]

Like the title says, what are new and exciting research areas or applications in systems neuroscience? I know the question is a broad one, so let me narrow it down a bit: I will get my master's ...
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0answers
61 views

What is the neurological mechanism behind the “fear of failure”?

Sometimes, the fear of failing at something can be debilitating, and more often than not present a barrier for that person to even try new things - the locus of the fear can be quite different between ...