Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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

5
votes
2answers
75 views

If reality is just hallucination, how come different people see same objects

I wanted to ask this question for a long time but couldnt find any thing to support my argument. Today i found this https://www.ted.com/talk/...
1
vote
0answers
17 views

THC and the Brain damage

Are people who react badly(paranoia/more severe anxiety) to weed/THC at risk for damaging effects to the brain compared to the general population? Does a certain type of brain chemistry/neuro ...
5
votes
0answers
96 views

Will studying formal logic improves logical reasoning?

Reason for asking question: I am looking to see if there is any good empirical evidence or study that shows or suggests that studying former logic or maybe informal logic would actually improve ...
2
votes
0answers
33 views

Bilingualism and cognitive decline (or dementia risk)

There's apparently a fairly contested research area of bilingualism being neuroprotective against cognitive decline in old age, such as dementia. What are the main points for and against this ...
1
vote
1answer
42 views

Cognitive Effects of studying for the LSAT?

Is this study/article scientifically valid. http://news.berkeley.edu/2012/08/22/intense-prep-for-law-school-admissions-test-alters-brain-structure/
6
votes
1answer
50 views

Frissons on demand

Have you ever listened to music and it gives you "chills?" This response is called a "frisson," a french word meaning "to shiver." When I want to access certain emotional and inspirationally charged ...
2
votes
1answer
67 views

What can be the causes of the difference in performance?

The box-plot above represents the number of programming tasks performed correctly in 30 minutes during an experiment by me. Each box represents an age group: p1 = 6 - 7 years old p2 = 7 - 8 years old ...
1
vote
1answer
20 views

Cognitive biases ontogenesis

Are cognitive biases "hardcoded" into our brain or learned? And have they evolved over time e.g. more cognitive biases could emerge evolutionally?
3
votes
0answers
28 views

How do I interpret an effect of electrode position in ERP research?

The example I have in my research is that both conditions show greater amplitude and latency in the parietal electrode sites than in the occipital ones. I'm not sure how meaningful this is for my ...
5
votes
1answer
68 views

Is there any neuroscience research on the emotion of feeling nothing?

When people entering anechoic chambers, logically there is a sensation of silence because relatively speaking, the sound levels are much lower compared to some normal baseline Likewise, when there is ...
3
votes
1answer
64 views

What extent is non linear dynamics and chaos helpful to study brain function?

Recently I've started reading dynamical systems in neuroscience by izhikevich and was fascinated by the subject. I would like to pursue PhD in computational neuroscience after my masters. Is it worth ...
3
votes
1answer
54 views

What are the neurological similarities between humans and primates?

I don't know exactly what primate specie is considered to be out ancestor. But the next question regards them. Assuming that in the beginning *we considered true the remnants of many trial & ...
3
votes
1answer
85 views

Is there any evidence for the cell assembly?

What is a cell assembly? In Principles of Neural Science Eric Kandel, and colleagues wrote: After this strengthening has occurred, a group of three neurons that are strongly coupled by excitatory ...
4
votes
1answer
28 views

What introductory textbook is available about the corticostriatal brain circuitry?

I want to understand the basal ganglia better. In particular, I want to understand the role of the corticostriatal brain circuitry for non-motor functions, including emotion and cognition. I have ...
0
votes
2answers
80 views

Is it possible to enhance one's learning ability? [duplicate]

I understand that the so-called brain training games like Lumosity doesn't work. But is there any exercise ( mental or physical) that I can do or medicine pills that I can take, that are proven to be ...
1
vote
1answer
46 views

The number of things we can focus on at once

In terms of computer science, a programming runtime like JavaScript can be assumed to have 1 thread, or one thing to focus on at a time. The processor moves sequentially through instructions, ...
4
votes
2answers
78 views

Can you get sad by sniffing onions, just like you can get happy by forcing yourself to smile?

I've read about a study where they found that people who were forced to keep a smile-like face were reportedly happier than those who were forced to stay in a frown-like a face. Similarly, could ...
5
votes
1answer
29 views

NEO-FFI vs. NEO-FFI-3: What's the difference?

I just ran out of a large shipment of NEO-FFI booklets, so I went to order more from PARinc. This shipment has lasted since 2014. It seems that the original version of the NEO-FFI that I was using (...
5
votes
1answer
119 views

Use of Botulinum toxin A (botox) to treat depression and its effect on fight/flight repsonse

Over in Health.SE, @faustus provided a couple of references to papers which suggest the use of Botulinum toxin A (BTA) - otherwise known as botox - to treat depression — Magid, et al. (2015a) and ...
0
votes
0answers
21 views

Is subcortical brain possible to investigate with functional resonance imaging (fMRI)?

Signals from Amygdala may be confounded and according to Huettel et al.,2009, "subcortical nuclei such as the caudate, putamen and the thalamus are all sufficiently large to encompass multiple ...
3
votes
0answers
27 views

Is dissociation/detachment associated with gamma wave?

In this answer, it is said that pain signals can be numbed by dissociating through detachment (a psychological effect). On the other hand, in the article "The Brain of Buddha" by Christof Koch, it ...
1
vote
0answers
16 views

Negative Rewards(punishment) processing in Human Brain?

Can someone please tell me how negative rewards or punishments are processed in the human brain? Do we have a separate segment to process positive and negative reward and are the positive and negative ...
4
votes
1answer
61 views

Can calmness happen during the fight-flight response?

In the question How do certain individuals, like Quang Duc, develop the ability to remain calm when enduring significant nociceptive pain?, one answer says that it was the high level of cortisol that ...
3
votes
0answers
52 views

Why does anxiety medication work?

It seems really odd to me that anxiety medication can work, because I can't understand how a medication can alter a feeling. My understanding is that the idea of anxiety medication is to alter ...
1
vote
0answers
17 views

is low pitched machine synthesized speech easier to comprehend at high rates?

all I have is anecdotal experience, try it out yourself. I couldn't find any published study, was anything published about that?
7
votes
1answer
95 views

Does neurodynamics have any relation to psychodynamics?

From Neural oscillation - Wikipedia: Neural oscillations are commonly studied from a mathematical framework and belong to the field of "neurodynamics", an area of research in the cognitive sciences ...
0
votes
0answers
13 views

Crossed-eyes on non-stereo-scopic image

There are a lot of dual image stereoscopic depth images, and most "Magic Eye" images have the same structure. Some Examples: Example 1 Example 2 Example 3 (CG'd) Example 4 (Magic Eye) These are ...
0
votes
1answer
76 views

Is quick left brain vs right brain test fake?

In this picture if you noticed her rotating clockwise you are right brain dominant. When I saw it I could make her rotate either way in half rotations where it looks like she dancing not rotating in ...
2
votes
0answers
30 views

Convolutional Operations in the Visual Cortex

One of the fundamental operations in image neural networks is the operation of convolution, where a filter slides across the receptive field, activating on particular features. This is incredibly ...
5
votes
1answer
57 views

When your two eyes disagree sharply

Now and then, the image from each eye is so different from the other that it seems the brain has trouble combining them into a coherent image. You can create this situation by putting a hand or sheet ...
1
vote
0answers
30 views

Why is it hard to not read some text

I have observed this and felt very uncontrollable. Whenever I see some text (in a language that I know) I start reading automatically. I don't see them as some curves... With intense focus I could ...
2
votes
0answers
21 views

Why we do what we aren't allowed to do

Don't touch the red button, or don't touch that chocolate cake while I'm gone. Why is it that we most likely will touch them anyway?
6
votes
2answers
72 views

Why does cathodal tDCS (negative) produce sensation, while anodal tDCS (positive) does not?

If neurons fire due to an intracellular influx of positive ions, why are the negative electrodes in tDCS felt more strongly than the others? For example, see "Reducing Procedural Pain and Discomfort ...
2
votes
1answer
66 views

Why do brains prefer internal consistency?

I need to preface this by saying I know next to nothing about this topic, so if the question is built on wrong premises, feel free to address that in an answer. From and related to: What is the ...
1
vote
1answer
21 views

What is a effective and interactive exercise to demonstrate cognition to a class

I'm new to this site so I may mess up here and there with the question process. I need to come up with an interactive exercise for a class to demonstrate cognition. The problem is, I find cognition ...
1
vote
0answers
24 views

What ways are there to think? [duplicate]

When I think, I generally think in words (in English primarily, though sometimes in Russian). Essentially, I speak to myself in my mind, and ask questions and formulate plans. However, sometimes I ...
3
votes
0answers
27 views

If demyelination doesn't typically occur, what happens when a musician doesn't practice for a month?

In "The Talent Code," the author makes this statement: What's the simplest way to diminish the skills of a superstar talent? The answer: don't let them practice for a month. Causing skill to ...
1
vote
0answers
8 views

Mirror neurons in different ape & child rearing

Somewhere in the the past I saw a study talking about a type of ape that raises it's young in creches, unlike chimpanzees which at most carefully choose occasional babysitters. The study made the case ...
0
votes
0answers
20 views

How to use stroop task to measure control?

I would like to know how to use a stroop task to measure proactive and reactive control. I have come across some papers that have used an emotional faces in the stroop task to measure proactive and ...
4
votes
1answer
138 views

Can you give an example of automatic appraisal process?

I was reading this slide provided by my prof. of Affective Neuroscience. I've read that appraisal is considered a constitutive component of emotion by most of the actual theories. Appraisal is defined ...
3
votes
1answer
52 views

Are the skills trained and learn from world memory championship transferable?

I recently learn something about world memory championship and I am considering to embark on some training. But I would like to know if the skills trained and learn from world memory championship are ...
1
vote
0answers
27 views

Longitudinal studies on: how attention to emotional stimuli develops from infancy to childhood?

According to LeDoux’s model (1996) we have specialized pathways for processing emotional cues. Pourtois, Schettino and Vuilleumier (2013) offer a neural model of how emotional signals capture ...
2
votes
1answer
101 views

Is detection of angry faces more efficient in humans?

Hansen and hansen proposed the anger superiority effect: threatening faces pop out of crowds, perhaps as a result of a preattentive, parallel search for signals of direct threat. Pinkham (2010) ...
4
votes
1answer
107 views

How exactly does transcranial direct current stimulation (tDCS) work?

The method of transcranial direct current stimulation (tDCS) involves the flow of electric charge from a positive electrode to a negative one. This method is not exactly a stimulation method because ...
3
votes
2answers
261 views

Do stimulants increase the IQ tests score for everyone?

There is some meta-analytic evidence that stimulants increase the IQ test scores of ADHD children by 2 to 7 points (Jepsen et al., 2009). Although giving stimulants to non-ADHD children may be ...
1
vote
0answers
37 views

Do central pattern generators control musical performance?

Are the sometimes very fast and complicated rhythmic movements and often long lasting patterns a musician performs while playing a piece of music generated by central pattern generators (in the sense ...
11
votes
1answer
146 views

By which neuronal mechanisms does music make us happy or sad?

There are brain regions (X) that show stronger activation for joyful music, regions (Y) that show stronger activation for sad music, and regions (Z) that show similar activation for both. Assuming ...
2
votes
0answers
80 views

How to analyse EEG files recorded from Brain Products V-Amp (Brain Vision Recorder)?

I have 3 files recorded from Brain Vision Recorder. They are in the following formats: .eeg .amrk ...
2
votes
1answer
40 views

Representations of negated propositions

The following question is quite hypothetical, and just to get an idea. Assume any model of how positive propositions $p$ are actively (opposed to synaptically) represented in a neural network, e.g. "...
3
votes
1answer
33 views

Does a comparable metaphor exist for cognition that exists for slow & fast twitch muscle fibers?

Skeletal muscles have slow and fast twitch fibers that differ in their rate of fatigue. Is there an analogue in the subject of cognition? For example I might be very quick at doing coding but very ...