All Questions
Tagged with cognitive-neuroscience consciousness
20
questions
4
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146
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in this attentional blink experiment why is the second letter visible when the lag is low but not when the lag is high
this image is from the book Consciousness and the Brain by Stanislas Dehaene
the book describes the image as follows :
The attentional blink illustrates the temporal limitations of
conscious ...
- 41
1
vote
1
answer
55
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Electric communication between single neurons
It is believed that neurons communicate through neurotransmitters, released from multiple synapses and flow to the axon of the next neuron. But has it been shown if a single neuron communicate with a ...
- 11
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0
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41
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How a living being (a huge collection of atoms) perceive things? [duplicate]
How a series of physical and chemical events leads to a very non physical/ intangible perception? For example, let's say a certain wavelength of light falls on the retina of my eyes, then the sensory ...
- 11
1
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2
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What can coma patients report about their experiences - if anything?
Coma is correlated to a significant inactivity of the cerebral cortex and the reticular activating system, while other parts of the brain - e.g. the limbic system - might still show considerable ...
4
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2
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103
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What is the state of the art research of the consciousness level for high-level cognitive activity?
Everybody knows situations where activities requiring concentration and high level consciousness can over time become a "background" task.
For example:
you read a text aloud but think about other ...
- 231
6
votes
2
answers
371
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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/...
- 161
3
votes
1
answer
95
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Books on Neurological functions?
Are there any books anyone can recommend that do not have any or much in the way of prerequisites but go through the anatomy of the central nervous system while laying out in detail the functions of ...
- 151
5
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Is there a fundamental difference in the way we think while writing when compared to speaking?
I had a discussion with my friend recently about slip-ups in speech - the ones where you intented a gramatically correct sentence but somewhere between the conscious mind and your mouth a (usually ...
- 151
5
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2
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260
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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 ...
- 375
1
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1
answer
112
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Parasite that takes over cognitive functions [closed]
I am testing an idea for a book. The backbone of the story is that there exists a parasite that can enter the brain of a creature and take over its cognitive functions. I imagine that it could wire ...
1
vote
2
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3k
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What is the relationship between the ego, amygdala and consciousness? [closed]
I've been reading a lot about emotional responses lately, and the following points seem to surface in different writings:
"Amygdala is a very ancient system, intended to quickly alert a
person of ...
- 9,400
4
votes
1
answer
349
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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 ...
- 143
10
votes
2
answers
337
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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 ...
- 101
9
votes
2
answers
1k
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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 ...
- 375
1
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2
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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. ...
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