As sensitive areas are located, their extent may be mapped by more intensive measuring of those locations. An alternative to administering the solutions with a dropper is to use a Q-tip type cotton swab. Compare the results of the testing. Devise and conduct a test to determine a person's ability to hear. Identify as many variables as possible that may be important in conducting the test.
Some people have difficulty distinguishing between red and green.
Find out what kind of tests are used to help identify this condition. Devise a test to gauge a person's sense of touch. Design an investigation to study the relationship between the sense of smell and taste. Experiment with your sense of balance to see how much depends on visual cues. Devise some other balance tests.