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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23
votes
3answers
55k views

Is there scientific evidence on the benefits of binaural beats?

When two coherent sounds with nearly similar frequencies are presented to each ear respectively with stereo headphones, the brain integrates the two signals and produces a sensation of a third sound ...
12
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1answer
543 views

Is there evidence to suggest that music can trigger release of a particular kind of neurotransmitter?

I've recently listened to a podcast, "The music in your brain", in which Dr. Daniel Levitin suggests that: Soothing music can trigger release of oxytocin Sad music triggers release of prolactin An ...
2
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1answer
184 views

Can people improve their memory by training themselves to recall previously forgotten memories?

Apparently, somebody has recalled previously forgotton memories and become able to speak fluent french after a coma. I'm wondering if people can also train themselves to be good at recalling ...
16
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1answer
1k 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?
9
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1answer
466 views

What are the neural substrates of retrieval induced forgetting?

Retrieval-induced effects It is well known that practicing retrieval of remembered items increases the probability of correctly recalling that item in future tests: the testing effect. Retrieval-...
5
votes
2answers
576 views

Neural Microfilaments for Computation?

I just watched an interesting TED talk (http://www.youtube.com/watch?v=1d5RetvkkuQ) where a Stuart Hameroff proposes that a neuron's microtubules are responsible for computations, and that they are ...
6
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4answers
444 views

How do memories come up for no apparent reason? Is this evidence that we remember everything?

As I was driving, all of a sudden the name "Holden Caufield" came to my mind. It sounded really familiar. I googled the name and it was the main character in The Catcher in the Rye. The last time I ...
4
votes
1answer
268 views

Is consciousness a sub product of the brain or is there a duality? [duplicate]

I am trying to understand what consciousness is, based on my basic knowledge of our senses, artificial intelligence (computer vision, specifically) and some philosophy. Here's my reasoning: As far as ...
4
votes
1answer
89 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 ...
8
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3answers
196 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 ...
3
votes
1answer
378 views

Any research on brain's processes involved in evil actions? [closed]

I'm reading Zimbardo's The lucifer effect: understanding how good people turn to evil in which he describes the famous Stanford prison experiment that investigated the psychological effects of ...
7
votes
1answer
133 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
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1answer
485 views

Neuroplasticity and Treatment of Depression

After reading 'The Brain That Changes Itself' by Norman Doidge, 'The Mind and The Brain' by Jeffrey Schwartz and a few other books, I've become curious about the science of neuroplasticity, which, as ...
3
votes
2answers
2k 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 ...
7
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1answer
187 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 ...
4
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1answer
3k views

What are the cognitive effects of increasing testosterone levels in men?

I've recently became interested in the effects if testosterone on the cognitive function in men, but cannot find much hard scientific evidence on the subject. What are the cognitive effects of ...
17
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1answer
7k views

Are there benefits to learning to write with your non-dominant hand?

There are some articles on the web that recommend learning to write with your non-dominant hand to get in touch with your inner child or a higher power, increase your creativity and be more open-...
12
votes
1answer
193 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 ...
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 ...
14
votes
1answer
862 views

What is the neurological basis of maintaining self discipline?

Self Discipline, as defined in this meagre Wikipedia article as being as the ability to motivate oneself in spite of a negative emotion This is partly distinct from self control and willpower ...
4
votes
8answers
8k views

What's the major difference between mind and brain?

I am preparing a presentation on "Mind Reading Computer", and all articles that I came across were focused on reading interpretations from brain through sensors. Articles like this clearly show a ...
7
votes
2answers
468 views

The “Backwards Bike” and implications for how we think

Here's a video of a guy learning to ride a "backwards bike", if you turn the handles left, then the wheel goes right. It took the guy forever to learn to ride a backward bike. He kept remarking that "...
11
votes
3answers
303 views

What are the cognitive and neurological bases for apathy?

Apathy, or effectively the feeling of "not caring" or putting it colloquially, "not giving a rats", is something that most of us get sometime or another in varying degrees. My question is, what are ...
8
votes
2answers
123 views

Could neuroscientific knowledge and techiques be used to optimise peoples' education and learning?

Expanding upon this, I have two ideas behind this question - 1) that current knowledge of the brain and its workings (biochemically, biomechanically, physiologically etc) is in its infancy and that we ...
5
votes
1answer
894 views

Is it possible to detect the mental flow state with EEG?

I know that it is possible to detect "focus" with a consumer EEG with a single electrode and a reference point (ear clip), even without conductive gel, but is it possible to detect a flow state with ...
4
votes
0answers
198 views

Can “7 deadly sins/virtues” be explained in terms of brain hormone level or receptor mutations? [closed]

I'm thinking about this question on biology.se: do hormones make men think of sex? From the interview linked in the answer, I get two takeaways: a man who lost most testosterone for 4 months ...
4
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0answers
72 views

How does conscious rational internal thought gets initiated - what gives rise to it on any given day?

I'm reading a book called "The power of now" by Ekhart Tolle, and in that book he suggests that internal dialogue/monologue/planning/judging can be first observed, then disidentified with and ...
4
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2answers
146 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) ...
8
votes
1answer
241 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 ...
5
votes
2answers
462 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?
5
votes
1answer
852 views

What is the consequence for the MBTI in not having a neuroticism factor?

This very interesting question: Do the Jungian Cognitive Functions/ Processes really exist? is dealing with neuroscientific attempts to show Jungian functions and preferences exists. In addition to ...
5
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1answer
2k views

How do brain zaps occur?

I've recently witnessed someone undergoing brain zaps and subsequent panic attacks after having stopped their SSRI medication and 48 hours partying with heavy boozing and no sleep. Having reviewed ...
4
votes
1answer
384 views

How far can we train mental calculation?

Mental calculators are people with a prodigious ability in some area of mental calculation, such as multiplying large numbers or factoring large numbers. Unfortunately I forgot where I heard it, but ...
4
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2answers
2k views

What is a good textbook for an undergrad Cognitive Neuroscience course?

I am slated to teach an undergrad Cognitive Neuroscience course next year and I am not sure which textbook to use. This would be an entry-level course (no pre-requisites) primarily intended for ...
3
votes
0answers
254 views

Are partially forgotten memories still in your brain?

I have read articles such as... http://www.wired.com/2009/09/forgottenmemories/ and they say forgotten memories are still stored in your brain. What about partially remembered memories. For ...
3
votes
2answers
13k views

What is the difference between “double dissociation” and simply having control and experimental groups?

According to my textbook Cognitive Psychology by E. Bruce Goldstein, a double dissociation occurs if damage to one area of the brain causes a function A to be absent while function B is present, ...
3
votes
1answer
2k 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 ...
2
votes
0answers
175 views

Which Meditation Techniques Correlate Best with Certain Brain-Waves? [closed]

Which meditation techniques are better at "entraining(?)" specifically desired brainwaves? For each brainwave range, (Alpha, Theta, etc) - are certain meditative technique more effective? For ...
1
vote
0answers
78 views

Hypothetical working and function of grandmother cells [closed]

I wonder, if the following model of the working and function of hypothetical grandmother cells is worthy of consideration or not (or if it is even a common view, just differently stated). I assume ...
9
votes
1answer
227 views

The effects of pain on cognitive function and incidence of depression

There have been studies about the link between depression and cognitive function.. There have been studies between pain and cognitive function. This has, also, been discussed in this question here. ...
8
votes
1answer
545 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 ...
7
votes
2answers
1k views

EEG correlates of handedness

Can any one suggest a good article about features of EEG of left-handed people? I was surprised when find that there are only few old articles about it. I find only one new article by Propper, Ruth ...
6
votes
0answers
77 views

Is it sufficient to say self control eliciting the reduced ERN (error-related negativity) in cognitive control tasks?

The limited resource model of self control suggests that the exertion of self control can impair performance in subsequent cognitive control tasks (for details on the model, check this question. Most ...
6
votes
1answer
406 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
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2answers
2k views

Are there mental reflexes?

Similar to knee-jerk or withdrawal, are there any innate reflexes in cognition? Are they based on personality, or are there any that are universal?
4
votes
1answer
116 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 ...
4
votes
1answer
2k 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 ...
3
votes
1answer
364 views

Effective sampling rate in human visual system

The [stroboscopic effect][1] is often explained as one of the problems of sampling. If sample rate is too low, you might have the impression of the signal frequency being low or even reverse. There ...
3
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 ...
3
votes
1answer
117 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 ...