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Scientists have come up with a new test to badess the meaning of Chinese sense of smell, which could facilitate the diagnosis and treatment of neurodegenerative and mental illnesses.
The deterioration and loss of olfactory function could seriously affect the quality of life and even put lives at risk in situations such as gas leaks, according to scientists at the Institute of Psychology at the Academy Chinese Science (CAS).
Research shows that in people of normal intelligence over the age of 65, people who develop smell problems are 2.5 times more likely to die in four years than those who have a good sense of smell. sense of smell.
This deficiency is also the earliest clinical symptom of major neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease. Olfactory abnormalities are also badociated with schizophrenia, severe depression and other psychiatric disorders.
Scientists are not aware of the loss of smell and it is necessary to objectively evaluate the olfactory function.
American, German and Japanese scientists have developed tests for olfactory evaluation. However, the odor identification is based on the experiences of each person and influenced by his culture. These tests can not be used directly on the Chinese, who make up one fifth of the world's population.
Scientists from the CAS Psychology Institute have developed the Chinese odor identification test (CSIT), including 40 smells familiar to Chinese people.
The accuracy rate of Chinese subjects in the CSIT is 15% higher than other tests developed by US or German scientists, which means that the CSIT is more culturally appropriate for Chinese, according to scientists.
The new test is an effective clinical tool for badessing Chinese olfactory function.
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