Sentences with phrase «magnetic compass information»
In one group of robins, the team removed cluster N, a brain region involved in processing signals from the «pair - forming photopigments» in the eyes thought to relay magnetic compass information.
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The magnetite particles are thought to act like microscopic compass needles, relaying information to the nervous system by straining or twisting receptors in cells as they attempt to align with the Earth's magnetic field.
The magnetite - mediated mechanism seems to act as part of a magnetic map - or signpost sense, which could provide the animal with information about its geographic position, whereas the vision - mediated magnetic sense seems to be a pure compass sense that is based on radical - pair processes in the birds» eye (s)[for reviews], [see e.g. 8, 9].
This finding implies that visual information is the major input to Cluster N and supports the idea that magnetic compass orientation is linked to night vision.