There's something called BOLD imaging, which is Blood Oxygen Level Dependent imaging.

This is magnetic resonance imaging MRI.

It's going to be machine readable.

This is a kind of optical deal, right?

The complete OCR suite.

The Pockels effect (after Friedrich Carl Alwin Pockels who studied the effect in 1893), or Pockels electro optic effect, produces birefringence in an optical medium induced by a constant or varying electric field.

The visual signals are then transmitted to the brain via the optic nerve.

The next thing we do is we collect what's called a diffusion tensor imaging.

That's exactly what I do optical mind control.

You see the going down towards the fovea where the optic nerve begins.

And it is an optical cue that there's carrion on the bottom of the ocean.

make a backup eg on DVD, optical drive or tape

This is the first ever such experiment, sort of the optical equivalent of Galvani's.

CD RW (Compact Disc ReWritable) is a digital optical disc storage format.

It hosts the Southern African Large Telescope, the largest optical telescope in the southern hemisphere.

The optic tectum allows actions to be directed toward points in space, most commonly in response to visual input.

In 1963, a definite identification of the radio source 3C 48 with an optical object was published by Allan Sandage and Thomas A. Matthews.

SPECT imaging is a brain scanning technology that uses a radioactive tracer to track blood flow in the brain.

As the cell elongates, corresponding daughter chromosomes are pulled toward opposite ends of the cell.

Optical configurations There are two basic configurations of the conventional optical microscope the simple microscope and the compound microscope.

In a related German study, researchers used fMRI imaging to measure brain activity before and after injecting Botox to suppress smiling muscles.

It also projects to the superior colliculus, the suprachiasmatic nucleus, and the nucleus of the optic tract.

Potassium chloride is also an optical crystal with a wide transmission range from 210 nm to 20 µm.

Introduction The eye, especially the retina The optic nerve The optic chiasma The optic tract The lateral geniculate body The optic radiation The visual cortex The visual association cortex.

In the 17th century, Isaac Newton discovered that prisms could disassemble and reassemble white light, and described the phenomenon in his book Opticks .

For the visual system, for example, inputs from the retina are sent to the lateral geniculate nucleus of the thalamus, which in turn projects to the visual cortex in the occipital lobe.

Therefore, there is no national screening program in the US however, there is a glaucoma screening program in the UK.

Systematic variations in refractive index can lead to the bending of light rays over long optical paths.

The techniques used by neuroscientists have also expanded enormously, from molecular and cellular studies of individual nerve cells to imaging of sensory and motor tasks in the brain.

The vitreous is the transparent, colourless, gelatinous mass that fills the space between the lens of the eye and the retina lining the back of the eye.

Complex conjugate reflection Light bounces exactly back in the direction from which it came due to a nonlinear optical process.

The Universal Media Disc (UMD) is an optical disc medium developed by Sony for use on their PlayStation Portable handheld gaming and multimedia platform.

He may have also been confused about a microscope built by another optician for Drebbel, claiming it was built by Zacharias Janssen.

But these clinics have treated tens of thousands of patients to date, many of them children, and SPECT imaging involves a radioactive injection, so exposing people to radiation, potentially harmful.

During early studies of the optical spectrum of the photosphere, some absorption lines were found that did not correspond to any chemical elements then known on Earth.

He also showed that red light is refracted less than blue light, which led to the first scientific explanation of the major features of the rainbow.

The nervous system in MS may respond less actively to stimulation of the optic nerve and sensory nerves due to demyelination of such pathways.

Its diameter increases from about 1.6 mm within the eye to 3.5 mm in the orbit to 4.5 mm within the cranial space.

We thought if we could use our optical remote control to activate the cells of the Critic, we should be able, artificially, to nag the Actor into changing its policy.

The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye.

Flawed mirror Within weeks of the launch of the telescope, the returned images indicated a serious problem with the optical system.

On January 13, 1994, NASA declared the mission a complete success and showed the first sharper images.

The Kerr effect, also called the quadratic electro optic effect (QEO effect), is a change in the refractive index of a material in response to an applied electric field.

The time taken for a nova to decay by 2 or 3 magnitudes from maximum optical brightness is used to classify a nova via its speed class.

Visible Light Coronagraph (TPF C) A large optical telescope, with a mirror three to four times bigger and at least 100 times more precise than the Hubble Space Telescope, would collect starlight and the very dim reflected light from the planets.