The consistency should be thick, not runny. Mix the eggs, potatoes and flour together by hand or with a large mixing spoon. Heat a skillet on medium-high heat. Add enough oil to both coat the bottom of the skillet and provide liquid in which to fry the potato cakes. Scoop a heaping spoonful of the potato mixture and drop it into the skillet. Let the cakes cook for a few minutes and then turn the cake over.
VNG testing is considered the new standard for testing inner ear functions over Electronystagmography (ENG), because VNG measures the movements of the eyes directly through infrared cameras, instead of measuring the mastoid muscles around the eyes with electrodes like the previous ENG version.
A third component of the ENG/VNG is called the caloric test, which uses changes in temperature within the ear canal to stimulate part of the vestibular system. Air or water may be used to modulate the ear canal temperature, which may be warmer or cooler than body temperature.