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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

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How are the brains of mathematicians different from typical people?

As a biomedical sciences student who also minors in Mathematics, I am often amazed by some of my classmates who really appear to be born for Mathematics (with regards to both their abilities and ...
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Yes-No question in 2AFC staircase test

I understand the task of a 2AFC test is to select one of the two stimuli presented (e.g. the stronger one), whereas in Yes-No test there is only one stimulus presented. But is it ok to ask a Yes-No ...
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Is it really possible for somebody to talk without being conscious?

I know the YouTube video Brain-Dead Teen, Only Capable Of Rolling Eyes And Texting, To Be Euthanized was just a hoax. However, since they did a really good job of making so many people believe the ...
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Averaging a linear or nonlinear function treatment

In a hypothetical PET study, my sample consists of a clinical population which exhibit brain hypermetabolism. I divide my sample into two homogenous groups. One receives a treatment whereas the other ...
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Why do some people undergo sudden savant syndrome?

According to https://blogs.scientificamerican.com/observations/brain-gain-a-person-can-instantly-blossom-into-a-savant-and-no-one-knows-why/, sometimes somebody suddenly becomes a savant. I don't know ...
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how can I improve my memory? [duplicate]

I am a computer science student and I recently started to self-study. I completed a book on data structures and another on algorithms and I pretty much remember and understand everything that I have ...
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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/...
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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 ...
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101 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 ...
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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 ...
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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/
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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 ...
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1answer
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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 ...
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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?
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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 ...
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1answer
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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 ...
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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 ...
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1answer
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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 & ...
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1answer
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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 ...
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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 ...
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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 ...
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1answer
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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, ...
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2answers
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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 ...
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1answer
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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 (...
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1answer
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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 ...
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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 ...
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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 ...
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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 ...
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1answer
72 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 ...
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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 ...
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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?
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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 ...
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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 ...
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1answer
81 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 ...
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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 ...
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1answer
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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25 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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1answer
183 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 ...
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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 ...
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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 ...
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1answer
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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) ...
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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 ...