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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1answer
139 views

Why do con artists like Frank Abagnale Jr. not feel guilt?

I just finished watching a video of Frank Abagnale Jr discuss his life history. Who knows if its true, but it is an amazing story. For those who don't know, Frank Abagnale is one of the most infamous ...
8
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2answers
127 views

How does this illusion - that I just inadvertently created - work?

As I was working on a basic chess application for Android, I loaded some chess clip art into my imageviews. Then this happened. Look closely at the top two rows. At first I was startled. My ...
4
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2answers
86 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?
7
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2answers
125 views

Is there a difference between hearing and decoding the sound?

I presume that deafness is the inability of hearing any sounds. And I presume that it may also be possible to be less able to decode sounds. In other words, an inability to translate or understand the ...
3
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1answer
85 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 ...
3
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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 ...
4
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2answers
131 views

Why is it so difficult to use a “true mirror” as a mirror

This Youtube video shows what a "true mirror" is: https://www.youtube.com/watch?v=ZSxCZCy5Wsk In short, when you look into a true mirror you look at yourself (among other things) as you really are, ...
4
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0answers
24 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 ...
7
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2answers
62 views

Biologically plausible cognitive model of Wisconsin card sorting task

As discussed previously, there are a wide range of models that have been applied to the Wisconsin card sorting task. However, which one is most biologically plausible? That is, uses a realistic model ...
3
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0answers
25 views

What neurophysiological mechanisms are typically associated with distraction?

I've been looking into focus aids and I've come across some music which markets itself as entertaining your "limbic system". Although it's been asked before how music can affect mental states, I'm ...
2
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0answers
40 views

Research on computational models of physiological mechanisms in affective neuroscience at a biochemical level

As computational neuroscience has the mainstream on single neuron/network modelling for biochemical aspect, and computational modelling of physiological mechanism of hippocampus for analytic study of ...
6
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2answers
73 views

Do the colour blind have a distinct visual cortex structure?

Studying the structure of the visual cortex, it seems there are many neural structures specifically dedicated to detecting and interpreting colour. For example, parvocellular cells are particularly ...
5
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2answers
67 views

Can hallucinogens treat depressive states?

Given the serotonin hypothesis of depression, increasing synaptic serotonin level may cause anti-depressive effects. Hallucinogens seems to have such advantages: They improve mood at once, but ...
5
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0answers
83 views

What cognitively interesting event-related potentials at FP1, FP2, TP9 or TP10 can be measured with consumer-grade EEG hardware?

I'm looking for cognitively interesting event-related potentials at places like FP1, FP2, TP9 or TP10 that can be measured with consumer-grade EEG hardware. Right now I have an Interaxon Muse EEG and ...
2
votes
1answer
81 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 ...
6
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0answers
102 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured ...
3
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1answer
101 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 ...
3
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0answers
55 views

If stimulus triggers dopamine release, can dopamine release trigger memory recall of stimulus?

Modern science of sleep is starting to lean towards a viewpoint that dopamine has an important function in dreaming, and that dopaminergic pathways - mesolimbic and mesocortical are activated during ...
7
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2answers
120 views

How does masking work?

Masking occurs when the delay between the target and the mask is less than a threshhold (say 50 milliseconds). If sensory data passes from lower to higher visual cortices/processing regions as in a ...
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0answers
13 views

Brain areas active while learning hierarchical structure of a problem

There are multiple examples in the machine learning literature of trying to learn the hierarchical structure of a reinforcement learning problem, however have there been any papers tying this learning ...
6
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2answers
194 views

What is the neurobiological basis of the “inner voice” used for thought or reading?

I've recently experienced a number of hypnogogic near sleep states characterized by change in thinking (stage 1-2 sleep). I noticed that if I let go and get absorbed in the state, I can follow it. I ...
4
votes
1answer
81 views

Is there a part of the human brain responsible for triggering imagination, fantasy and coming up with unusual stories?

I'm trying to understand if there's a specific process or part of the human brain which, when activated, causes the person to daydream, engage in fantasy or come up with ideas that are far from common ...
2
votes
1answer
49 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 ...
2
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1answer
54 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 ...
4
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1answer
105 views

Does the brain need more sleep after heavy load?

Does the brain require more sleep in the following night, if you have used a lot more of its capacity that day than usually?
3
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4answers
128 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. ...
3
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3answers
341 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 ...
1
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1answer
45 views

Pupillometry: how long needs the pupil to respond towards an cognitive stimuli?

I would like to know if somebody could give me some literatur advice about the latency response of the pupil after a cognitive stimuli. I know that the light reflex response is quiet fast compared to ...
4
votes
1answer
95 views

What are the underlying mechanisms for optimism bias?

I have asked a question before about how does smoker's decision react to new personal health information. Link here. How do people estimate smoking's impact on their mortality? Now I have a ...
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0answers
26 views

Research into relation between constructed language choices and measurable cognitive skills

From my own anecdotal evidence: Two individuals with similar linguistic background, age, education, overall IQ, etc. prefer markedly different programming language styles: one individual prefers ...
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0answers
31 views

Is the mind's adaptation to increased traveling speeds, physical or psychological?

When a motor vehicle increases in speed, we soon adjust to the faster pace of movement; seemingly by processing incoming information faster. Is this purely psychological, with the brain "dropping" ...
4
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1answer
128 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 ...
5
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2answers
112 views

Can our auditory perception be used to trick our visual perception?

"Our consciousness lags 80 milliseconds behind actual events...The 80-millisecond rule plays all sorts of perceptual tricks on us. As long as a hand-clapper is less than 30 meters away, you hear and ...
3
votes
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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1answer
1k views

What does double dissociation really tell us?

In psychological research, a single dissociation is when a manipulation leaves one cognitive function (say, A) intact whilst severing another (say, B). This indicates the functions A and B are at ...
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3answers
139 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 ...
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2answers
110 views

What causes words repeated in your head to start fading away from consciousness?

Background: I tried to do a self-control exercise that involved doing something boring like folding clothes while the exercise part involved repeatedly saying "focus" in my head, to stop daydreaming. ...
5
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0answers
65 views

What functions does the brain perform to recognize a familiar object unconsciously?

Let's say a person's brain experiences how a vehicle/object looks for the very 1st time. It would require lot of attention/focus/processing to analyse the object, extract features and train its neural ...
3
votes
3answers
94 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, ...
7
votes
1answer
126 views

Why is it easier to fall asleep in the dark?

I'm curious if there is any neurological mechanism that explains why falling asleep is easier in the dark. I recognize that this isn't true universally -- a phobia of darkness might make it easier to ...
0
votes
3answers
199 views

Where is knowledge of how the brain works stored?

If we are our brains, and our brains know how they work, this means that this information is stored somewhere in the brain, like the inferior temporal cortex is the part of the brain that recognizes ...
5
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3answers
139 views

What's the neurological basis for “practice makes perfect”?

I was reading Marvin Minsky's The Society of Mind: This (practice makes perfect) is really is quite curious. You might expect, instead, that the more you learned, the slower you would get-from ...
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0answers
47 views

Cognitive (neuro)science and related mailing lists

I am looking for cognitive neuroscience (and related) mailing lists. For some time I have been subscribed to Visionlist and found it to be a tremendous source of information about conferences, PhD and ...
3
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2answers
30 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 ...
4
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0answers
62 views

What is a good general reference on cognitive science in military training?

I know that one of the application of cognitive science is military science. Unfortunately I haven't found a good source on how cognitive science could benefit military training. Is there any ...
4
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0answers
67 views

What would happen if you saw no form of light for a year?

It's proven that low levels of dopamine result in depression, anxiety, etc. And low levels of dopamine just means a lack of production or intake by the dopaminergic receptors. If the lack of happiness ...
2
votes
1answer
233 views

OCD Motivation and Dopamine Motivation, is there a connection?

I understand that OCD is something that causes sufferers to perform irrational behavour consciously, I also understand that the motivation comes from performing the irrational behaviour/behaviours to ...
3
votes
1answer
34 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 ...
3
votes
1answer
95 views

How does an understanding of the brain explain why people experience strong emotional responses to major sporting events?

Anyone know studies or theories that explain how massive competition events between countries or parties, like the Soccer World Cup Tournament finals or Olympic Games affect our brains? Why do people ...
0
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1answer
194 views

Is quantum tunneling required for nerve signals to cross the dendritic synaptic barrier?

A person says: "It turns out that the synaptic barriers of dendrite brain cells are too thick for nerve signals to classically cross. This means that nerve signals need to use Quantum tunneling to ...