Questions tagged [vision]
Questions regarding how the brain interprets information from the eyes. Consider using the "eyes" tag for discussion of eye anatomy, physiology and evolution.
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Does the Ogre-Faced Spider regenerate part of its eyes daily?
Deinopis Spinosa
A species of the Deinopidae family, characterized by long thin (elegant) legs and the use of them to hold and thrust a net towards their prey.
These spiders are visibly remarkable for ...
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How to measure the ability to discriminate between two colors experimentally
CONTEXT
Species differ greatly in their vision ability in general, and in their ability to discriminate between colors in particular.
Humans' color vision is usually (some rare human individuals have ...
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Do compound eyes exist in nature that have multiple "pixels" per ommatidium? [closed]
If yes, which species? What is the terminology for such eyes?
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Can both lenses of different eyes intentionally focus at different amounts
Can each lens of both eyes have different accommodation rates, or have a different focal length to view objects of different distances. I understand that this can be a problem known as Anisometropia, ...
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Why does Haidinger's brush tilt depending on rotation direction?
Based on the Wikipedia explanation of Haidinger's brush I would expect it to remain oriented to the light polarization, no matter which way I rotate my head.
However that is not what I observe. When I ...
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Is there a functional model of the human retina for simulation of conversion of illuminance pattern to nerve signals?
I'm looking for a model that would take a pattern of spectral irradiance over the retina as a function of time and space and convert this into the signals propagating through the fibers of the optic ...
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How do we see the violet color?
Here is exactly the same question with an accepted answer. However, that answer looks wrong (I can’t find the “alert moderators” button). Firstly, it refers to a dubious source. Secondly, it ...
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Why do different people perceive the colors of the Northern Lights (Aurora Borealis) differently?
A few days ago, I was in Norway with a group of about 20 people. We were fortunate enough to witness an impressive display of the Northern Lights that lasted several hours. The next day, we discovered ...
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How do you re-adjust gaze coordinates after bad eye tracking calibration using Matlab? [closed]
As a beginner with oculometric data pre-processing (in children from 2 to 12 years old), I would want some advice from the community! :)
Using a Tobii Pro Fusion Eye tracker (250Hz), children are ...
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Human Eye Diagram: question about some dimensions
Does anyone know any of the answers to these questions about this human eye diagram:
What points should be the center of the circle for the radius numbers (Rn) in the following diagram?
The ...
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What can't the human eye see far-UV, X-rays, and gamma rays? [duplicate]
This is as much of a physics question as it is a biochemistry question. But how does rhodopsin(and the retinal chromophore itself) respond to ionizing radiation? Photons whose wavelength is longer ...
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how can a patient with conduction aphasia answer questions but not repeat words?
When we have a Q&A with someone, the path in the brain goes as such: auditory cortex to Wernicke's area (to be comprehended) which then activates the Broca's area to initiate a motor reaction (so ...
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why do we use the glasses so that a different image is seen in each eye in the binocular rivalry experiment?
If we use the glasses so that in the right eye we see a house and on the left eye a face, we can see with a fMRI that the FFA is activated when seeing the face and the PPA activated when seeing the ...
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How does retinal ganglion cell receptive field affect the LGN neuron activity?
If we have a spot of light hitting the center of the ON center receptive field of a retinal ganglion cell, will the LGN neuron be activated? Will the V1 neuron be activated? I mean its receptive field ...
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how many bipolar cells connected to a ganglion cell?
Is it that only one bipolar cell is connected to one ganglion cell (which (ganglion cell) is connected to only one LGN neuron cell)?
I mean if more than one bipolar cell is connected to a ganglion ...
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