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visual system

·October 5, 2020·3 min read

Process for Regenerating Neurons in the Eye and Brain Identified

Researchers have identified a network of genes in Zebrafish that regulate the process of determining whether certain neurons will regenerate.

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·October 5, 2020·3 min read

Dog Brains Do Not Prefer Faces

fMRI study reveals dogs do not have a specific face area similar to that of primates. Dogs' brain activity showed little response to faces but increased in response to seeing another dog over a human.

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·September 29, 2020·3 min read

How the Brain Processes Color

Novel technology allows researchers to understand how a fruit fly's brain processes color.

This shows a swirling ring optical illusion

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·August 24, 2020·4 min read

Optical Illusions Explained in a Fly’s Eyes

It seems that flies are as susceptible to optical illusions as humans. Turning on and off some neurons that govern motion detection in flies, researchers were able to alter the insects' perception of illusory motion.

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·August 17, 2020·5 min read

How the Brain’s Internal States Affect Decision-Making

Animals slowly shift their likelihood of detecting stimulus changes over ten minutes. Researchers found the activity of neural populations from the V4 visual area and prefrontal cortex slowly drifted together with the behavioral fluctuations. The slow drift acts as an impulsivity signal.

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·June 15, 2020·5 min read

Neurons can shift how they process information about motion

When it comes to processing information about motion, neurons in the ventral intraparietal area of the brain are more flexible in switching between reference frames. The findings could be used to develop neural prosthetics designed for motion control.

This shows a representation of the experiement

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·June 8, 2020·4 min read

Our visual world of color is largely incorrect

People are oblivious to change when color is removed from peripheral vision. Research reports the brain likely fills in for much of our perceptual experience when it comes to seeing the entire picture in color.

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·May 12, 2020·4 min read

Why visual perception is a decision process

Prediction errors play a role in the context of dynamic perceptual events that take place within fractions of a second. Findings support the hypothesis that visual perception occurs as a result of a decision process.

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·May 1, 2020·5 min read

Seeing is Conceiving

Visually represented information is a functional part of conceptual knowledge. The extend of the visual representations is influenced by visual experience.