Tobias Staudigl of the Donders Institute for Brain, Cognition and Behavior, Radboud University, The Netherlands, researchers used various methods to visualize grid cell activity while subjects explored images of everyday scenes. Christian Doeller of the Max Planck Institute for Human Cognitive and Brain Sciences (MPI CBS) in Leipzig and Dr. A much-discussed possibility is that the signals from these cells create maps of "cognitive spaces" in which humans mentally organize and store the complexities of their internal and external environments.Ī European-American team of scientists has now been able to demonstrate, with electrophysiological evidence, the existence of grid-like activity in the human brain. How exactly the grid cell system works in the human brain, and in particular with which temporal dynamics, has until now been speculation. The cells exhibiting this pattern were discovered in the entorhinal cortex. This results in a kind of honeycomb pattern tiling the space. A related type of brain cell, called grid cells, encodes a variety of positions that are evenly distributed across space. It has long been known that so-called place cells in the human hippocampus are responsible for coding one's position in space.
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