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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Can split-brain patients sleep like whales?

Regular split-brain patients still have some remaining connection between the hemispheres, but would it be possible for their hemispheres to fall asleep independent of the other? What about when not ...
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108 views

How do auditory and visual hallucinations differ within the brain?

I asked this question How are hallucinations generated, is it related to dreaming?. It occurs to me that auditory hallucinations may well be generated in a different part of the brain to visual ...
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81 views

Are we to a point in research that we can correlate measurable phenomena with brain changes?

Given that Long Term Potentiation (LTP) is the process of improving synaptic efficacy. Given that within a lab, the strength and repetition of stimulus on the brain can be linked with the priming of ...
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60 views

How do humans perceive height or vertical drop?

I'm looking at this video: Neil Burgess: How your brain tells you where you are, which discusses neurons within the brain that help people remember where stuff is in relation to other objects. I'm ...
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1answer
139 views

Universal Mind? Nature or Nurture? [closed]

I have been reading a book entitled "The Geography of Thought" by Richard Nisbett. He talks about how easterners and westerners think differently. I am not all the way through it, but I agree with a ...
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3answers
116 views

Failing to recognise one's own work

Disclaimer: This is not a self help question, I am using myself as an example to illustrate my question. Example: I have posted many questions and answers on this site within a relatively short ...
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3answers
273 views

How did the unique features of human intelligence evolve?

I have been debating the following topic with a friend. She argues that humans do not descend from chimpanzees or orang-utans, because if we did, such animals would share the same cognitive thinking ...
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2answers
148 views

Neurosurgically grown neural link between two brains?

I guess it's possible to surgically restore neural connection after a trauma (e.g. a severed hand can be reattached if done quickly). And, from history of evolution of hominids, it seems that just by ...
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2answers
115 views

Does a person experience release of dopamine while doing something she/he enjoys?

I am wondering if a person would experience an increase in the level of dopamine while doing something she/he enjoys such as playing guitar or reading a book. And what are some other neurotransmitter ...
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2answers
114 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" ...
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80 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 ...
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130 views

Binary classification as a cognitive strategy?

Is there any research investigating whether the human cognitive system has a tendency to reduce complex systems or spectra of data in terms of binary contrast? There are many common-sense dual ...
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2answers
641 views

What is the maximum size of content the human eye can focus upon?

What is the maximum size of content the human eye can focus upon on a computer screen? Is there a general equation that gives this size as a measure of distance from the screen etc.? What is the ...
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1answer
84 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 ...
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1answer
72 views

What is the neurobiological difference between Jungian Judging and Perceiving individual?

Jungian or Myers Briggs type indicator reserves the last letter of a 4 letter archetype to stand for Judging or Perceiving. Part of being a Judging type is punctuality - being on time, keeping ...
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4answers
139 views

Different neural structures for quick vs. methodical decision making

In the book "Thinking, Fast and Slow", the author claims that there are two systems of thinking. System 1 is quick, instinctive and emotionally driven while System 2 is more logical and deliberate. ...
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1answer
282 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 ...
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1answer
93 views

What is the purpose of hemispheric specialisation in the brain?

What is the benefit or purpose of having different hemispheres of the brain contribute more to different cognitive processes?
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1answer
53 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 ...
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1answer
39 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 ...
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1answer
31 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 ...
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2answers
205 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?
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3answers
48 views

Are there any programmes to identify modular “NeuroBricks”?

In synthetic biology, an organization called the BioBricks Foundation tries to identify modular biological components that are amenable to engineering design, and publishes them in the Registry of ...
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1answer
330 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 ...
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1answer
88 views

Relation between Nengo, SPA and NEF with respect to other Neural Models

I'm working through How to Build a Brain and I keep getting confused on the relation between Nengo, the Semantic Pointer Architecture (SPA) and the Neurological Engineering Framework (NEF). Are there ...
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1answer
208 views

Why does optogenetics not mean that perfect brain-computer interfaces are possible?

There have been multiple articles and videos circulating on the Internet claiming that optogenetics has made it possible to have perfect input/output to the brain from a computer. This is obviously ...
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1answer
235 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, ...
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3answers
95 views

Can repetitive sports-related head injuries make a person senile many years later?

Would repetitive football injuries to the cranium show up decades later, causing symptoms resembling mild retardation, OCD, etc.? What is the best way to determine this in terms of imaging, testing, ...
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1answer
110 views

How does the brain know whether or not it comprehends a novel concept?

There seem to be at least two kinds of confusion regarding novel concepts. In one, the brain simply can't form an abstract model from whatever information is being presented. It's where you can't ...
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1answer
127 views

Do different methods of testing memory for character sequences result in different brain activation?

Assume a certain sequence of N characters, displayed on a screen one by one, that should be memorized. The speed of the display is such that it doesn't produce much extra stress. You may assume that ...
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1answer
54 views

What are “linear spatial weightings” and “specific temporal windows” in Philiastides & Sajda (2006)?

I am undergraduate student in mathematics and a complete beginner in the field of neuroscience. I recently started a project in Mathematical biology which brought me to the above mentioned paper. I ...
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1answer
332 views

What are the neurological and psychological bases for chromophobia

According to this amusing, yet informative Cracked article, Phobia-source article and Chromophobia: do you have a fear of colours website, chromophoba is a fear of bright colours. This condition is ...
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2answers
161 views

Why neural architecture is not hardwired for N-dimensional vision but hardwired for abstract math?

In The Theoretical Minimum, in lecture 1, Leonard Susskind says that you can only visualize 3 dimentional images. (see yourself). Therefore, he says, in order to deal with N dimensions, you need to ...
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2answers
108 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 ...
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1answer
294 views

How does the brain physically get tired?

When engaging in physical work-outs, people often research how regular muscles store energy, how to eat and exercise cleverly so that the exercises actually make them stronger and more healthy instead ...
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1answer
52 views

How does Parkinson's disease result in tremors?

From what I understand, Parkinson's disease is caused by the death of dopamine producing cells in the substantia nigra, however I don't understand how that causses the symptoms of Parkinson's. I am ...
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1answer
91 views

Dichotic listening tasks and crosstalk

In a dichotic listening task where participants listen to different (frequency-wise) musical tones through headphones, is cross talk to the contralateral cochlea of each ear through bone conduction a ...
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1answer
117 views

Is meaning-seeking behavior a biological optimization problem?

In short, I'm interested in cognitive, neuroscientific, biological and/or computational perspectives on what we vaguely refer to as meaning seeking. Of course, this is a large topic, but any ...
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1answer
39 views

Are there any fMRI decoding papers examining the relationship between attentional cueing and activity in V1?

I'm interested in reading on the influence of exogenous attention on cortical representations in early visual areas, but so far my google-fu seems to be failing me. There seems to be some literature ...
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3answers
151 views

Neurological basis of selfishness?

Is there a neurological component to selfishness? Awhile back, I witnessed a mentally retarded person who was severely possessive of a water fountain, claiming it was "his". I've also seen ...
3
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1answer
42 views

How does hPES compare to the learning rates of ANNs?

The primary learning mechanism of artificial neural networks (ANN) is back-propagation, which is not biologically plausible. Trevor Berkolay created an alternative to this learning with the ...
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1answer
57 views

Do the brains of non-altruistic persons mirror the observed experience of suffering?

Altruistic behavior can have different motivations: from the hope that the help you give will ultimately benefit yourself (social exchange theory) to a selfless wish to alleviate someone's suffering. ...
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1answer
213 views

What is the neurological mechanism responsible for losing one's temper?

I'd imagine that losing one's temper is quite normal, I can not think of anyone who has not experienced it. For me, it is rare, but does happen, I find that there can be 3 broad stages occur (note: ...
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1answer
254 views

What are new and exciting research areas or applications in systems neuroscience? [closed]

Like the title says, what are new and exciting research areas or applications in systems neuroscience? I know the question is a broad one, so let me narrow it down a bit: I will get my master's ...
3
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1answer
111 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 ...
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1answer
102 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 ...
3
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1answer
57 views

A subtle test for color-blindness

Is there a test method of proving a person being color-blind, without letting the test subject know, that he/she is being tested? E.g. showing the person cards with colored dots like depicted here is ...
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0answers
31 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 ...
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0answers
11 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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0answers
31 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 ...