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Full-Text Articles in Social and Behavioral Sciences
Novel Space Alters Theta And Gamma Synchrony Across The Longitudinal Axis Of The Hippocampus., Stephanie C. Penley, James R. Hinman, Lauren L. Long, Etan J. Markus, Monty A. Escabí, James J. Chrobak
Novel Space Alters Theta And Gamma Synchrony Across The Longitudinal Axis Of The Hippocampus., Stephanie C. Penley, James R. Hinman, Lauren L. Long, Etan J. Markus, Monty A. Escabí, James J. Chrobak
Open Access Author Fund Awardees' Articles
Hippocampal theta (6–10 Hz) and gamma (25–50 Hz and 65–100 Hz) local field potentials (LFPs) reflect the dynamic synchronization evoked by inputs impinging upon hippocampal neurons. Novel experience is known to engage hippocampal physiology and promote successful encoding. Does novelty synchronize or desynchronize theta and/or gamma frequency inputs across the septotemporal (long) axis of the hippocampus (HPC)? The present study tested the hypothesis that a novel spatial environment would alter theta power and coherence across the long axis. We compared theta and gamma LFP signals at individual (power) and millimeter distant electrode pairs (coherence) within the dentate gyrus (DG) and …