Jacob Bellmund

In order to orient ourselves in space, and to find our way around, we form mental maps of our surroundings. But what happens if the coordinate system of our brain, which measures our mental maps, is distorted? In our new paper in Nature Human Behaviour we show that under these circumstances there are also distortions in our spatial memory.

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Often we remember very well the chronology of events. We can tell which event occurred first and how much time passed between two events. Apparently, memories of events in the brain are linked when they occurred close together. The entorhinal cortex seems to play an important role as the medial part of the temporal lobe.Using an experiment that combines learning in virtual reality and fMRI, our new paper – now out in eLife – describes how a temporal map of memories is created in the entorhinal cortex.

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It is one of the most fundamental questions in neuroscience: How do humans think? In our latest paper, now out in Science, Jacob Bellmund and Christian Doeller teamed up with Peter Gärdenfors, cognitive scientist at Lund University, and Edvard Moser, physiologist at the Kavli Institute for Systems Neuroscience, to offer a new proposal—Humans think using their brain’s navigation system.
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Our new study is out in Current Biology. Staudigl et al. show grid-like modulation of human high frequency activity in non-invasive magnetoencephalographic and intracranial EEG recordings. The results indicate that the human entorhinal cortex codes visual space in a grid-like manner, supporting the view that grid-coding generalizes beyond environmental mapping during locomotion.

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