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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4
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2answers
98 views

Are axons in the brain weighted?

Is it known whether the connection strength of synapses is important to the functioning of the brain or does just the binary existence of a synapse matter? Also, how widely do the strengths of ...
4
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0answers
55 views

Why does learning new mental skills lead to headaches?

Why is deliberate practice uncomfortable? For example, during learning college math and playing the piano. Why do we get headaches after long hours of practice? According to this question, learning ...
2
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0answers
25 views

Does exercise substantially affect bloodflow to brain

The benefits of exercise on the psyche are well documented, encompassing catharsis, endorphin release, mental health improvements and self esteem. There is also evidence that it increases cognitive ...
2
votes
1answer
46 views

How can neuronal networks with local learning rules predict their future inputs?

Local learning rules like Contrastive Hebbian Learning, XCAL, etc. are based on the idea of strengthening edges when the neurons they connect fire simultaneously. This causes frequent patterns in the ...
2
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0answers
59 views

Increasing pitch perception of the same auditory stimuli

I was trying to work up a small clip of repeating beep sounds I recorded from a mobile game. This series of sounds, when played, gave an unmistakable perception of increasing pitch with every ...
8
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3answers
137 views

Is there a neural network model of Pavlovian Learning?

I am trying to find a computer simulation of Pavlovian learning. i.e. an action such as salivation in response to a stimulus such as a bell ringing. Most neural network models I've seen seem to be ...
-1
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1answer
12 views

In which band of frequency used for this vowels in EEG?

I am doing an EEG experiment about imagined speech recognition using vowels.Each vowels coming under which frequency?whether it is alpha,beta or gamma?
2
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0answers
13 views

Is there a disorder that causes one to feel heat from an inanimate object?

We just met a woman that feels heat (literally, hot enough for her to say she was burned) from inanimate objects. She says it is mainly the floors and chairs in her home, and she is unable to walk in ...
0
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1answer
34 views

What is the current status of neuroeducation?

How can we apply the cognitive neuroscience in the classroom? What is a good general reference discussing the current status of neuroeducation?
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2answers
94 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 ...
0
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2answers
63 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
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4answers
255 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 ...
5
votes
3answers
123 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
70 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
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2answers
89 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
111 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 ...
4
votes
1answer
131 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
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1answer
55 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 ...
1
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2answers
131 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 ...
3
votes
1answer
119 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 ...
1
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0answers
40 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, ...
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0answers
17 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 ...
1
vote
1answer
130 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
117 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" ...
3
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0answers
39 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
40 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
40 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 ...
4
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2answers
206 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 ...
5
votes
1answer
61 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 ...
5
votes
0answers
46 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
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0answers
29 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 ...
3
votes
1answer
35 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
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0answers
38 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
12 views

SaccadeAngular velocity Matlab

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. ...
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vote
0answers
33 views

Brain extraction and save images as .img file

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 ...
2
votes
0answers
25 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 ...
4
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0answers
39 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 ...
1
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0answers
40 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 ...
5
votes
1answer
51 views

How can we be formed by our childhood's environment if we don't remember much of it?

Studies with rats showed that the most licking ones in childhood were the most licked in adulthood [1]. Also many psychologist says that this is the part of our live where our personality is created ...
2
votes
1answer
74 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
103 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
107 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 ...
6
votes
1answer
111 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
47 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
150 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 ...
1
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0answers
17 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
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0answers
11 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 ...
3
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2answers
82 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
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2answers
100 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
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0answers
53 views

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

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 ...