The discovery offers new insights for conditions like Parkinson's disease and Alzheimer's, in which navigation and orientation are often impaired.
We humans are pretty good at navigating—we can find our way home, remember walks in our favorite cities and parks or navigate through confusing office blocks. But what happens in our brains when we use this internal compass?The navigational abilities of various animals have been extensively studied, but much less is known about our own 'neural compass.
The study involved 52 healthy participants who were asked to move their heads to orient themselves to cues on different computer monitors while wearing an EEG scalp monitor to track their brain activity.In a separate experiment, the researchers recruited 10 volunteers who were already undergoing intracranial electrode monitoring for conditions like epilepsy. Again, the participants were asked to move their heads, or sometimes just their eyes, while their brain signals were monitored.
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