Ophthalmology

Can echolocation help those with vision loss?

Known as nature's own sonar system, echolocation occurs when an animal emits a sound that bounces off objects in the environment, returning echoes that provide information about the surrounding space.

Neuroscience

Restoring a rudimentary form of vision in the blind

Restoration of vision in blind people through a brain implant is on the verge of becoming reality. Recent discoveries at the Netherlands Institute for Neuroscience (NIN) show that newly developed high-resolution implants ...

Medical research

How light triggers brain activity

Optogenetics uses light to control brain processes. It is based on light-controlled proteins such as channelrhodopsin-2, an ion channel that opens when it's exposed to light, thus activating cellular processes. In collaboration ...

Neuroscience

Making sense of how the blind 'see' color

What do you think of when you think of a rainbow? If you're sighted, you're probably imagining colors arcing through the sky just after the rain.

Other

Exploring the potential of human echolocation

People who are visually impaired will often use a cane to feel out their surroundings. With training and practice, people can learn to use the pitch, loudness and timbre of echoes from the cane or other sounds to navigate ...

page 1 from 5