The dove has the 'compass' in the brain

US scientists say that pigeons move by noting information about the magnetic field of the earth, using brain cells like a biological compass.

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According to The New York Times , the discovery sheds light on how many birds can travel thousands of kilometers, flying day and night, both when the sun and stars are clouded.

Doves use brain cells like a biological compass

Two Baylor College of Medicine researchers have solved the central part of the mystery of how birds perform such "feats" , identifying specific cells in the responsible bird's brain. feel and orient from school.

Experts Le-Qing Wu and David Dickman have identified a cell group, ie neuron, in the brain stem of the pigeon that is able to record both the direction and intensity of the magnetic field.

They found that the pigeonhole's ability to determine which type of neuron works, when each neuron is triggered to respond to signals from one direction and simultaneously recognize the strength of the magnetic field.

The researchers say there is evidence that the information that nerve cells record comes from the inner ear, but 'that's what we want to continue to understand,' Mr. Dickman said.