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279 items
AGI identity mark

Learning how transplanted neurons fit in

October 7, 2021

As scientists move closer to testing regenerative therapies for eye disease, techniques are needed to monitor transplanted cells as they integrate with host tissues.

Living Retina Achieves Sensitivity and Efficiency Engineers Can Only Dream About

September 28, 2021

In a pair of papers on retinal structure, Duke University neurobiologists have shown that the rigors of natural selection and evolution have shaped the retinas in our eyes just as this theory of optimization would predict.
Calcium-rich foods include milk, yogurt and cheese, as well as non-dairy sources such as kale, white beans and sesame seeds.

Blind People Can’t See Color but Understand It the Same Way as Sighted People

August 16, 2021

Questioning the belief that that people born blind could never truly understand color, a team of cognitive neuroscientists demonstrated that congenitally blind and sighted individuals actually understand it quite similarly.
Scientists in the laboratory

Retinoblastoma resource: Researchers create more accurate research model

August 6, 2021

Scientists at St. Jude Children’s Research Hospital have created a laboratory model for studying retinoblastoma driven by inherited mutations in the RB1 gene.
Scientist looking in a microscope

Retina ‘hardwired’ to predict path of moving objects

August 2, 2021

Neural circuits in the primate retina can generate the information needed to predict the path of a moving object before visual signals even leave the eye, UW Medicine researchers demonstrate in a new paper.
Neurons (green) and their supporting astrocytes (red), created in a petri dish from stem cells.

Cell-replacement Therapies for Visual System Disorders

July 30, 2021

Two translational studies at the Vanderbilt Eye Institute are targeting photoreceptors and retinal ganglion cells (RGCs) to restore vision through regeneration of the retina. The research is funded by the NEI Audacious Goals Initiative.
Two hat-shaped objects, one pointing towards the viewer (concave) and one away from the viewer (convex)

Scientists uncover how decisions about what we see are relayed back through the brain

July 27, 2021

Researchers at the National Institutes of Health have discovered that decisions based on visual information is broadcast widely to neurons in the visual system, including to those that are not being used to make the decision.

Brain’s ‘memory center’ needed to recognize image sequences but not single sights

July 26, 2021

A new MIT study of how a mammalian brain remembers what it sees shows that while individual images are stored in the visual cortex, the ability to recognize a sequence of sights critically depends on guidance from the hippocampus.
Eye is shown connected to visual processing regions of the brain via the optic nerve. Enlargement of retina shows photorecetors, biopolar cells and retinal ganglion cells.

Scientists discover gene therapy provides neuroprotection to prevent glaucoma vision loss

July 22, 2021

A form of gene therapy protects optic nerve cells and preserves vision in mouse models of glaucoma, according to research supported by NIH’s National Eye Institute. The findings suggest a way forward for developing neuroprotective therapies for glaucoma.
neurons

How neurons get past "no"

June 24, 2021

When looking at a complex landscape, the eye needs to focus in on important details without losing the big picture. Now, a new study by Salk scientists shows how inhibitory neurons play a critical role in this process.z