A canonical input to the head direction compass carries predominantly eye movement signals
The mammalian head direction (HD) system is thought to update its internal compass using angular head velocity (AHV) signals relayed from the brainstem. We tested this canonical interpretation by recording from the nucleus prepositus hypoglossi (NPH), a proposed AHV relay known to be important for accurate HD tracking, while simultaneously measuring eye and head movements in mice. Neurons…
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