Release date: 2017-07-19
A neuroscience study published online by the British journal Nature recently shows that in the early stages of human growth, only “eye observation†can be used to collect information. This ability is actually heritable, and this function of autistic patients is impaired. . This is the first human genetic influence that scientists can track directly.
Emory University scientist Warren Jones and colleagues have conducted a series of eye tracking experiments to assess human differences in social scenes, including attention to faces and similar faces, and single eye movements. Time, direction and goals. The test subjects were 338 children, including 166 identical twins and fraternal twins, 88 non-twins diagnosed with autism spectrum disorders, and 84 control only children.
The team found that the response between identical twins was similar (consensus of 91%); the fraternal twins were less consistent (35%), suggesting that this type of behavior is greatly affected by genetic factors. In addition, the highest genetic characteristics, including preference for facial, eye, and mouth areas, have also decreased in children with autism.
Researchers say that in the stage when humans can't reach, climb or walk, they can only use "eye observation" to collect information. This is called social visual participation - and this is a way for humans to explore and understand social behavior during development. The key aspect is true for both autistic and healthy people.
The authors conclude that the findings help to further understand how a genetic trait affects human interaction with the surrounding environment. Although other studies have previously explored similar concepts, such as comparing the development of autistic children with normal-developing children of the same age, this is the first time to show a direct traceable genetic effect.
Source: Technology Daily
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