Different Colors can Affect the Biological Clock of Animals

A research conducted by the University of Manchester has revealed that the color of light could have a great effect on the biological clock of humans and animals in a study of how neurological mechanisms deal with changes in light color and the environment.

Scientist have concluded why humans and animals fall asleep when darkness comes in the evening and mechanically wake up when daytime comes.

In an experiment using mice, the study subject was observed to have electrical activity from the brain clock using different visual stimuli. Results showed that neurons of the brain were inclined to be responsive to changes in color between yellow and blue rather than changes in brightness.

As an inclusion in the study, the researchers created an artificial sky stimulus. The mice were observed to have the highest temperature during dusk when the sky turns blue, which meant that the body clock was working.

The changes in color, researchers concluded, caused the internal clock of the mice to be confused, resulting in higher temperatures setting in thirty minutes ahead of schedule.

The study is an indication that we are in the right direction on finding out how the humans body’s clock works, says Dr. Timothy Brown of the Faculty of Life Science.

“This is the first time that we’ve been able to test the theory that color affects our body clock in any mammal. It has always been very hard to separate the change in color to the change in brightness but using new experimental tools and a psychophysics approach we were successful . What’s exciting about our research is that the same findings can be applied to humans,” said Mr. Brown.

The change in the brightness of the sky alone didn’t work properly on the body clock considering how color has an important role in regulating body temperature. The result of the study could be invaluable in treating sleeping disorders and jet lag in the near future.

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