Questions tagged [cognitive-neuroscience]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
77 views

What is the current status of neuroeducation? [closed]

How can we apply the cognitive neuroscience in the classroom? What is a good general reference discussing the current status of neuroeducation?
2
votes
2answers
278 views

How useful are neural circuits in psychology?

We can identify many kinds of patterns of how neurons connect such as lateral inhibition, negative/positive feedback, convergence, divergence, and facilitation. But have any of these circuits been ...
1
vote
2answers
128 views

Cognitive Techniques to train Working Memory?

What are some practical techniques/methods which can be used to train/improve your working memory and what studies have been done on this subject?
2
votes
4answers
6k views

Is it possible to increase the capacity of human brain like “Lucy”?

I saw the film "Lucy" in 2015. The film says that humans can use 100% percent of the capacity of their brains. According to my personal ideas, the capacity of the brain will changed based on the ...
8
votes
3answers
194 views

How do I choose what I think?

Where do my thoughts come from? What allows me to choose them at all? Regardless of whether free will is an illusion or not, what makes a thought happen? (This is a mix of a philosophical question and ...
2
votes
1answer
682 views

Why is it that some (yet not all) people may struggle to retain information unrelated to what they are interested in?

It seems to me that some people find it difficult to retain information that is not naturally salient to them. This isn't the case for all people, however. There exist people that will put in the ...
2
votes
2answers
134 views

Possibility of increasing brain speed

In science fiction stories, we often see the use of virtual reality, a 3d world that allows you to actually 'be' there. The writers often use a pod or helmet to signify the use of some sort of ...
3
votes
2answers
131 views

Neural nets for cognition

I recently got into Neural networks. As much as I have understood, the learning process is based on the change in weights according to stimulus and algorithm used in learning. Does this in any way ...
5
votes
1answer
177 views

Is it possible for any arbitrary able bodied human to develop exceptional cognitive talent & genius across multiple disciplines?

Can any arbitrary [able bodied] human become a genius across multiple disciplines or at least one discipline assuming that they have some Secondary Eduction in these disciplines? For example, the ...
3
votes
1answer
197 views

What is forward masking

I am trying to understand what is visual masking (or more specificaly forward masking). I have read the explanation here, but still.. I understand that a background can interfere with a frontal ...
2
votes
2answers
140 views

Learning to think?

Do we need to learn to 'think' or is it an ability that we are born with? By 'think' I mean neurons firing in a certain way to provide useful information (although since I am not strong in this ...
5
votes
2answers
229 views

Threshold time for stimulus to be consciously perceived. Why?

A visual stimulus must last longer than some threshold duration to be perceived consciously. For example, a light dot flashed for a duration of 10ms can't be consciously perceived. Why? What prevents ...
5
votes
1answer
221 views

Is the brain inherently social?

The concept of the "social brain" is thrown around a lot, but it's not entirely clear to me what it means. To me, it could mean a few different things: Modularity: We have some sort of modular, ...
1
vote
0answers
24 views

How to display Talairach Image in AFNI correctly?

I am using AFNI to display Talairach image, that is anat+tlrc.BRIK & anat+tlrc.HEAD . But the AFNI only shows part of the image. It looks like this: AFNI is ...
3
votes
1answer
1k views

How many possible states does a brain have?

Suppose I have a box, inside of which is a light which can be either on or off: it has exactly two states. Suppose I wanted to take some "snapshot" of the state of this device, and store all the ...
3
votes
2answers
153 views

Can a brain be modeled as a simplified interaction of different states and their triggers?

I've long been interested in the concept of "states of mind", which influence the perception of the outside world and outlook on past, present and future. They can be thought of as "colored lenses" ...
5
votes
1answer
157 views

Any link between IQ and a person's ability to create or mimic sounds?

Reading some articles about animals and speech, and it just brushes a bit of the neurology of it, but that got me curious: Is there any link between a person's (or an animal's) mimicry skill and/or ...
3
votes
1answer
165 views

What brain areas are involved in memorizing sections of a song?

Typically when I listen to a song, the song will have different sections (e.g. chorus, verses, etc). As a composer, I have found that many songs use this structure to create a sense of repetition and ...
2
votes
1answer
58 views

Processing Inverted English Script

I was sitting in a restaurant when I realized that it was relatively easy to read this list of a few locations in inverted English script. It made me curious about how it is possible to read this with ...
6
votes
2answers
741 views

Is it possible to run Psychtoolbox or PsychoPy on Raspberry Pi 2 for simple perceptual experiments?

We are considering setting up a few testing computers using Raspberry Pi 2. There was an interest in this a few years ago, but due to limitations of OpenGL in Raspberry Pi it did not go far. I was ...
6
votes
1answer
403 views

How does a human classify or cluster data?

Here, what I mean by DATA are text documents. I am going to do a research on text clustering algorithms by the help of artificial neural networks (ANNs). But first of all I need to know how our brain ...
6
votes
1answer
151 views

Why cerebellar input fibers use 2 ways to send a siganl to DCN?

Both groups of input fibers of cerebellum (mossy, climbing) start 2 pathways: 1) project directly to the deep nuclei 2) project to cerebellar cortex, which then (after some processing) sends ...
1
vote
0answers
74 views

How to convert .tlrc file to .orig file? [closed]

I have files: left_fg+tlrc.BRIK and left_fg+tlrc.HEAD. I want to know how to convert the files to ...
4
votes
1answer
108 views

How to get anatomical masks?

I recently read a paper called "An automated labeling system for subdividing the human cerebral cortex on MRI scans into gyral based regions". I want to use the ...
2
votes
0answers
70 views

Where to publish a short (mathematical) neuroscience article?

I am writing an article about a computational method, which is relatively widely used in a small subfield of neuroscience (it is easy to identify ~20 recent articles that used it in 2013-2015). The ...
3
votes
0answers
31 views

SaccadeAngular velocity Matlab [closed]

I have the data for a monkey's eye position in a cartesian plane synced to the time. I can convert the numbers into polar form however I'm not too sure how to find the angular velocity at that point. ...
3
votes
0answers
57 views

Brain extraction and save images as .img file [closed]

I have been working on Auditory data (from FIL) to read the .img files as numeric numbers of intensity of each voxels over time in array/matrix format using AnalyzeFMRI package in R. It gives me ...
4
votes
0answers
40 views

What happens in the brain upon a subsequent exposure to a desired stimulus within a short time?

I'm trying to understand what happens within a person's brain when a focus on an object of desire is temporarily disrupted by an outside event. In particular, what happens when the person focuses on ...
5
votes
1answer
118 views

How common is it for twins conjoined at the head to share thoughts and visual stimuli?

I've always been interested in the possibility of a pair of conjoined twins, joined at the head, being able to read each other's thoughts, react to stimuli that one of them can't see/hear/feel, and ...
7
votes
1answer
131 views

Can humans keep track of two unrelated rhythms?

Let's do an experiment. With your left hand start tapping out a regular (evenly-spaced) beat - say, 2 beats per second. With your right hand attempt to tap our a different regular beat, but tap at a ...
2
votes
1answer
132 views

Using IT to quickly make a simulated brain

First of all, I would like to say that I know nothing about cognitive sciences. I am just posting this question because it interested me and I stumbled across this group in stack exchange. I was ...
8
votes
1answer
240 views

Are the physical sensations of an emotion due to neural activity strictly in the brain or also in the body?

Symptoms of anxiety and anger are often described as some sort of energetic sensation in my chest and sometimes face or arms. Are these sensations an 'illusion' from neural activity strictly in the ...
1
vote
1answer
884 views

Can Transcranial Magnetic Stimulation (TMS), or a magnets cap make you smarter?

According to wikipedia, TMS is a bunch of magnetic fields directed to the brain which stimulates and activates neurons. If I wear a cap full of magnets, will it stimulate my neurons? If yes, will a ...
10
votes
2answers
674 views

Why do people who stutter have less difficulty singing than speaking?

From what I have read, stutterers tend to have much less trouble singing than speaking. Do we know why this is the case?
1
vote
1answer
92 views

Parasite that takes over cognitive functions [closed]

I am testing an idea for a book. The backbone of the story is that there exists a parasite that can enter the brain of a creature and take over its cognitive functions. I imagine that it could wire ...
0
votes
2answers
2k views

What is the relationship between the ego, amygdala and consciousness? [closed]

I've been reading a lot about emotional responses lately, and the following points seem to surface in different writings: "Amygdala is a very ancient system, intended to quickly alert a person of ...
1
vote
0answers
31 views

Is psychological shock a valid construct?

Rather than shock as a physiological reaction to bodily trauma, does anyone know of research on the validity of psychological shock? I'm not referring to shell shock, or the original name for PTSD. ...
2
votes
0answers
15 views

Cognitive arguments as rationalizations of emotional processes that preceded them? [duplicate]

I heard the following argument on German talk radio: Modern cognitive science indicates that our conscious arguments are only rationalizations of emotional processes that preceded them. Where ...
4
votes
2answers
109 views

Are action potentials necessary for experience?

We know that, for example, during brain surgery, electrical stimulation in certain parts of the cortex is sufficient for experience, and result in reportable experiences in human subjects. We also ...
8
votes
2answers
151 views

Strengthened Inhibitory Connections Between Neurons

I'm reading Bio Inspired Artificial Intelligence which cites this passage about neuron plasticity: "Spike time-dependent plasticity. The percentage of synaptic modification depends on the ...
2
votes
0answers
70 views

Does creativity have a neurological basis independent of the art form used to express it? [closed]

The arts provide a medium for creativity, and while some ideas might be easily expressed in various forms of art, some might not be (for example, a sculptor might be able to express the same idea in ...
4
votes
1answer
114 views

What physical process governs which details are retained in memory?

With long term memory, there is loss of information. For example, we don't seem to retain all the details of every image we see. What is the physical process those details undergo which cause them to ...
5
votes
3answers
2k views

Flow diagram of how information flows through the brain?

I am a Artificial Intelligence researcher with a interest in neuroscience. I was wondering if flow diagrams exist of the way information flows from sensory inputs through the parts of the brain (and ...
3
votes
2answers
805 views

Brain's differences in introverts vs. extroverts

I know that introverts have a higher sensitivity to dopamine, for example. Are there are other chemical and neuronal differences?
5
votes
1answer
589 views

What's the optimal type of exercise to increase BDNF

It is known that exercise has a positive effect on BDNF (brain derived neurotrophic factor). BDNF has a positive effect on mood and cognitive abilities. What's the optimal way of exercising (frequency,...
7
votes
1answer
458 views

What is the neurophysiological mechanism behind double hearing?

A patient with sensorineural hearing loss can have the symptom of hearing "double" in the damaged ear. Not having a time-delayed echo, but hearing as if he (or other people) speak with "two voices" at ...
2
votes
4answers
2k views

If a human brain would be placed inside that of an animal: Could it talk?

Assumption: Animals can't talk 'human' because of their small(er) brain. Perhaps a strange thought, but I was really wondering: If we could place a human brain inside that of an animal: Would we be ...
2
votes
0answers
194 views

Ranking of produced “brain fatigue” from different mind intensive activities [closed]

I'd like to know if there has been an study, or different studies for each activity with which the ranking could be done, that determines a ranking like that with mind intensive activities, I refer to ...
7
votes
3answers
1k views

What is “Attention” in terms of brain activity?

A rather basic question, but I don't know the answer to that - What is human "attention" that can be focused on different parts of the body or outside objects? For example, I can focus my attention ...
1
vote
1answer
232 views

Practical ways to increase Mental alertness? [closed]

Are there any scientifically proven exercises which can improve mental alertness and awareness naturally? please share!

1
4 5
6
7 8
10