Abstract：
:Head-direction cells have frequently been regarded as an internal 'compass' that can be used for navigation, although there is little evidence showing a link between their activity and spatial behavior. In a navigational task requiring the use of internal cues to return to a home location without vision (path integration), we found a robust correlation between head-direction cell activity and the rat's heading error in the rat's homing behavior. We observed two different correction processes that rats used to improve performance after an error. The more frequent one consists of 'resetting' the cell whenever the rat returns to the home location. However, we found that when large errors occur, the head-direction system has the ability to 'remap' and set a new reference frame, which is then used in subsequent trials. We also offer some insight into how these two correction processes operate when rats make an error.
journal_name
Nat Neuroscijournal_title
Nature neuroscienceauthors
Valerio S,Taube JSdoi
10.1038/nn.3215subject
Has Abstractpub_date
2012-10-01 00:00:00pages
1445-53issue
10eissn
1097-6256issn
1546-1726pii
nn.3215journal_volume
15pub_type
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