The Impact of Gold. When gold was discovered in 1848, people poured into California to prospect the golden mountains.. At the height of the gold rush the atmosphere in the mining country was of extreme excitement and greed.
Vertigo Symptoms and Signs. Vertigo is a feeling that you are dizzily turning around or that your surroundings are dizzily turning about you. Vertigo is usually due to a problem with the inner ear but can also be caused by vision problems and other conditions. Vertigo is medically distinct from dizziness, lightheadedness, and unsteadiness in that vertigo involves the sensation of movement.
Vertigo is usually due to a disturbance in the vestibular system. The vestibular system is one of three sensory systems subserving spatial orientation and posture; the other two are the visual system (retina to occipital cortex) and the. somatosensory system that conveys peripheral information from skin, joint, and muscle receptors.