A U-shaped pillow covered their ears and the hum of an air conditioner further obscured outside noise. According to his theory, the brain would deteriorate if it didn't have a continuous stream of sensory input. Hebb hoped to observe his subjects for six weeks. As it turned out, the majority lasted no more than a few days in isolation, and none more than a week. A series of cognitive tests showed that the volunteers mental faculties were, temporarily impaired. They performed poorly on grade-school tasks involving simple arithmetic, word associations, and pattern recognition. They also experienced extreme restlessness, childish emotional responses, and vivid hallucinations. The implications of this experiment would suggest; that the interruption of sensory receptors would have negative consequences on the human brain even if experienced for a short …show more content…
They affect vision and are very common in older people. More than 22 million Americans have cataracts. They are the leading cause of blindness in the world. By age 80, more than half of all people in the United States either will have a cataract or have had cataract surgery. Common symptoms are: Blurry vision, Colors that seem too faded, not being able to see well at night, Double vision, and Frequent prescription changes in your eye wear. Treatment with new glasses, brighter lighting, anti-glare sunglasses, or magnifying lenses can help at first. Surgery is also an option. It involves removing the cloudy lens and replacing it with an artificial lens. Wearing sunglasses and a hat with a brim to block ultraviolet sunlight may help to delay cataracts. A person that have lost their vison may be irritable, because they now have to depend on someone else, their social life will deteriorate some because they are not able to come and go as they please, there will be time of loneliness, and finances may decrease some, because they are depending on disability as the main source of income. As a result of begin blind the sensory receptors become heightened coupled with both the kinesthetic vestibular sense to make life more