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
6 views

Is the pre-frontal cortex stimulated when learning a foreign language?

In the process of learning a new language, is there an increase of stimulation in the pre-frontal cortex region of the brain?
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1answer
418 views

How do we hear our inner voice?

How do we perceive inner speech? Does it follow the same neural pathways as normal acoustic speech? If yes, what is the extent of overlap between the two neural pathways?
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0answers
12 views

How are abstract relations represented neurally?

It is known that concepts with similar attributes (color, shape... Etc.) are represented in a similar manner in the brain. However, is there any evidence of abstract relations, such as the as causal ...
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0answers
6 views

fmri onsets, missing pulse logs - what is the minimal information necessary to be analyze experiment?

Very basic, probably stupid question, but help is very much appreciated. I am running an fmri-experiment (block design), which was programmed in java (not by me) and has been used before. Trying it at ...
2
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1answer
56 views

How does the brain structure 3D visual data?

Adobe Illustrator has taken over five minutes (and counting) to render a vector 2D image rotated 18° in 3D on my computer. And yet, I and nearly anyone else can easily visualize the subject rotated ...
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0answers
31 views

Is there any study about the impact on the continuous use of predictive keyboard by neurologically and psychologically health individuals?

As there is evidence of massive-scale emotional contagion through social networks, I'd like to know if any study has been made regarding predictive keyboards. Given the popularity of predictive ...
3
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1answer
48 views

Is it possible to read words a person thinking about via EEG headsets?

There are now a number of EEG headsets that can capture bran signals and give you raw EEG data from brain. EPOC Emotiv is one the famous one with I guess 14 channel. Now as the title of this post ...
3
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1answer
73 views

How do people with a split brain experience reality?

Some people with severe epileptic seizures have the connection between their two brain halves cut. How appears reality for them, and why does this procedure helps them?
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2answers
122 views

Can normal brain activity arise from no (or random) brain activity?

I wonder how stable the brain is as a dynamical system. In other words, how important the state (current activation) of the brain is for its further functioning. Would the brain recover from a state ...
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0answers
15 views

EEG electrode cluster selection

Is there a good review paper on electrode selection in EEG analysis to avoid the problem of double dipping (Kilner, 2013)? This is a well documented issue in neuroimaging (Kriegeskorte et al, 2009; ...
3
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1answer
66 views

Information storage capacity of a neural network?

I seem to remember reading about some equation that states the amount of information that can be held by a neural network with n neurons in it arranged in l layers, or something vaguely like that (n ...
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0answers
12 views

Importing EGI eeg binary format data into R?

Are there R packages/functions for importing EGI eeg data format into R?
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0answers
11 views

What happens to a persons frontal lobe when mastering a foreign language?

When mastering a foreign language, what happens to a persons frontal lobe? In the cognition class I took as an undergraduate, I distinctly remember learning about how the brain processes and learns ...
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27 views

Conscious brain multitasking without switching - is it studied?

My question is about IMHO rare ability of the brain, ability like Julius Caesar (as claimed) be able to do several things simultaneously. Multitasking is studied, however where I looked, e.g. in https:...
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2answers
108 views

Can LSD connect sensory regions in the brain?

How is it possible that after using LSD you can hear sounds and see colours? I have my own experience with this phenomenon. When I´m lying totally relaxed in bed and suddenly a door is closed loudly,...
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1answer
69 views

If I think of a checkerboard, is there a similar structure to see in my visual cortex?

When I´m imagining a checkerboard in my mind, can one find, with all kinds of fancy equipment, a corresponding figure in the area of my visual cortex? For example, the neurons firing in such a way as ...
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0answers
14 views

Is there a scientific opinion about the connection between Asperger Syndrome and AD(H)D?

I have Aspergers and ADD. When I read autobiographies (most of all by female aspergers) I often think that they have actually at least a mild form of ADD or ADHD, too. A German doctor (Dr. Helga ...
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0answers
39 views

Is it known how the brain corrects the world-up-side-down-view of our eyes? [duplicate]

Because of our eye functioning as a camera obscura the light entering our pupils is hitting the retina of the eye in opposite directions. So what is left becomes right and right left and above becomes ...
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1answer
56 views

Why do hallucinations appear in depression?

We all know the stories of people who saw a miracle in the deepist troubles like gangsters who turned to faith - or an older example could be the miracles in jail in the Bible (Acts: Peter and Paul). ...
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0answers
30 views

LAURA/LORETA source localization in Matlab

Is there a Matlab toolbox for doing source localization using LAURA or sLORETA within Matlab (not requiring additional software like LORETA-KEY, etc.)?
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0answers
18 views

Why do people need to use euphemisms and how do they work?

The classic daily use of euphemisms is around genitalia we've all heard them and know what they mean. But for some reason its much easier to call a penis the crown jewels (or many other names) even ...
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4answers
166 views

Can humans be reduced to a function?

Based on an article by UK Essays, we are nothing more than robots that operate based on our past experience and other factors like amount of neurotransmitters, hormones, and other chemicals, trying to ...
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1answer
52 views

Can the desire to change a romantic partner ever be satisfied?

Based on the typical relationship advise: "Don't try to change your partner" and such, I would say that many people want to see their romantic partners behaving just a little bit differently. It is a ...
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0answers
29 views

Does testosterone level cause more sexual dream content?

I have long been interested in dreaming, including how dream content can shed some light on brain chemistry. I did a search on the subject of testosterone levels altering dream content and see some ...
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1answer
23 views

I need good introductory texts/publications on brain networks and functional integration/segregation

I am a soon to be graduating applied mathematician interviewing for a research position soon in a lab considered with neurological imaging and association of brain networks with things like aging, ...
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3answers
63 views

Is it possible to quantify/measure the effect of certain medication on our neurotransmitters and hormones?

Is it possible to display the effect of taking for example Prozac on level of Serotonin and other neurotransmitters/hormones in the body? More generally speaking s is it possible to say: taking 1mg ...
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0answers
32 views

Is it possible that human behavior cannot be formalized as an optimization problem?

It is common to explain humans behavior by having the brain follow a certain objective function, that may have been formed through evolution. Given the objective function and infinite computing ...
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0answers
13 views

What cognitive architectures out there combine multiple sensor streams?

It seems like most cognitive architectures are evaluated on toy problems that do not challenge more than one sense (usually the visual one). What neuronal cognitive architectures were evaluated in the ...
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2answers
38 views

Can electromagnetic fields be used to stimulate areas of the brain?

Recently I've come across an article from a questionable source called 10 Things An Electromagnetic Field Can Do To Your Brain. There are a lot of hints in this article that the writer doesn't have ...
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0answers
36 views

Does neuroplasticity cancel the notion of “aptitudes” as a natural gift?

Considering the definition of neuroplasticity as the capability of our brain to rewire itself by forming new neural connections throughout the life, it seems to me that our brain is like a ...
3
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1answer
50 views

How to explain utility function from personality, beliefs and ongoing emotions?

Economists widely use utility function (and more broader approach called hedonistic regression) but are there explanations or derivations of utility function from the perspective of cognitive sciences ...
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1answer
45 views

Is the amount of learning modulated by reward transmitters?

The human brain is a signal processing system. Input streams contain sensory, motor, reward and possibly more signals mixed. I wonder if neuro transmitters associated with reward increase or decrease ...
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0answers
23 views

What is the mechanism behind ambivalent love - hate feelings in personal relationships?

I've recently read that as far as Freud, psychology recognized the phenomena by which a person can hold conflicting feelings of love/hate, attachment/repulsion towards a partner. The negative feelings ...
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0answers
54 views

Do you know any good tutorial on designing EEG experiments with PsychoPy?

I'm trying to find good documentation on using PsychoPy to measure Event-Related Potentials. In particular, I want to measure and compare the amplitude of the N170, a face-sensitive ERP, when ...
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1answer
35 views

Can habits be implemented by playing mental scenarios or playing things in your head?

A significant amount of people say that you need to do things over and over again to implement a habit into your subconscious mind where you no longer have to think to do it. If, let's say, I want to ...
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3answers
88 views

How can a persons good or bad be accurately measured?

The majority of people who think certain people are bad people are usually because they have been exposed to the bad things they do or also because they measure how bad they are based on only the bad ...
2
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1answer
27 views

Introduction or Tutorial on Continuous EEG Collection Procedures and Initial Processing?

Are there any tutorials or introductions (specifically not slides from talks) on the very basic details of EEG data collection and processing? Things like: Discussions of reference systems (montages)...
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0answers
19 views

Influence of LIP on visual cortex

I understand that the lateral intraparietal cortex (LIP) maps various features of targets onto an eye-centric reference frame. I also know that this mapping predicts where visual attention (in the ...
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2answers
55 views

Component naming of MEG vs. EEG

My question is why we use P and N for naming positive and negative EEG component(for instance N170 or P100) but for MEG data we use M in both case, I mean M170 and M100 in this example?
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1answer
73 views

Can music be addictive?

As playing games for a prolonged period, tend to develop a addictive behavior in humans, Is there any possibility for addiction to music? i.e. When a person listens to certain list of songs and gets ...
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1answer
76 views

Why do people love nature?

I wonder why we feel happy and comfortable when seeing the view of trees, green plants and flowers. Why do we admire sea, waves, fishes inside pure water and sun set? why do we love seeing the view of ...
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1answer
55 views

How can I make a speller with BCI?

I am trying to make a speller with BCI using EEG (SSVEP or P300, whichever is easier). I would be really grateful if someone could give me a plan of action so as to where do I get started and what ...
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2answers
58 views

how to see prefrontal cortex is functioning well by a test?

Is there a test to see if the Prefrontal cortex of someone works normally? especially a simple test like a questionnaire that you give the individuals to fill out and based on their answer you obtain ...
0
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1answer
19 views

Do gating mechanisms in the neocortex have individual degrees for all gated connections?

For example, the upward connection between layers in the neocortex flows through the Thalamus which is assumed to have a gating function. I wonder whether there is a single value per gate, ...
2
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0answers
12 views

How can higher concepts get unrolled with upward and feedback connections differing?

In the neocortex, input patterns are compressed hierarchically. Sensory inputs in the lower levels are combined by higher levels to form abstract concepts. However, there are even more feedback ...
6
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1answer
46 views

Valence conveyed in simple geometric shapes

I've seen neuroscience and facial recognition studies that give evidence for this idea of simple geometric shapes causing emotional responses or quicker recognition of negative affect. Are there ...
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0answers
37 views

Reciting Reverse Order Alphabet vs Reverse Order Counting

Observation A: It's easy to recite the alphabet. It's hard to recite the alphabet backwards. Observation B: It's easy to recite the number 1 to 26. It's easy to recite the number 1 to 26 backwards. ...
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1answer
23 views

How do neuro transmitters interact with neurons in the brain?

I think emotions and hormones frames the overall thinking processes of the brain. However, I'm interested in how this works on a neuronal level. For example, dopamine is some kind of reward signal for ...
2
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2answers
40 views

How are positions and counts of higher concepts encoded in sparse representations?

I understand that levels in the sensorimotor hierarchy of the brain learn recurring features of their input streams. The results are activation patterns with single neurons firing for the existence of ...
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0answers
27 views

How are action potentials initiated in the absence of stimuli?

I understand that action potentials can be initiated by sensory transduction. However when we simply think, for example when dreaming, with no/little stimuli, how do we initiate action potentials to ...