Contact: Kei Igarashi
Norwegian University of Science and Technology
Caption: This shows 20-40 Hz oscillations when well-trained rats were sampling odor cues (arrow). In lateral entorhinal cortex (LEC, top), which relays signals from olfactory sensory areas to the hippocampus, strong oscillatory activities were observed in the 20-40 Hz band, as well as 6-10 Hz (theta) oscillations. Medial entorhinal cortex (MEC, bottom), in which grid cells reside, showed only theta oscillations.
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