Third-Eye Rivalry

Eye rivalry and object rivalry in the intact and split-brain

Both the eye of origin and the images themselves have been found to rival during binocular rivalry. We presented traditional binocular rivalry stimuli (face to one eye, house to the other) and Diaz-Caneja stimuli (half of each image to each eye) centrally to both a split-brain participant and a control group. With traditional rivalry stimuli both the split-brain participant and age-matched cont...

Binocular rivalry: a time dependence of eye and stimulus contributions.

In binocular rivalry, the visual percept alternates stochastically between two dichoptically presented stimuli. It is established that both processes related to the eye of origin and binocular, stimulus-related processes account for these fluctuations in conscious perception. Here we studied how their relative contributions vary over time. We applied brief disruptions to rivalry displays, concu...

Magnification in Endodontics: The Third Eye

For a restorative dentist as well as an Endodontist, the dental operating microscope offers a large number of benefits such as: improved diagnosis especially in case of cracked teeth; better visualization of pulp chamber, root canal orifices and calcifications present; identification of complex root canal systems; effective cleaning and shaping and its visualization thereafter; improved control...

A third eye for the surgeon.

Neurologists and engineers have developed a new camera system for surgeons, which looks where the eyes look. This innovative device uses voluntary and reflexive eye movements, which are registered in 3-D by video-oculography and then computed online, as signals to drive the camera servo motors in three planes: yaw, pitch, and roll (fig 1). Its primary objective is to allow a freely mobile user ...

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