Phase-locking of hippocampal theta and gamma waves has been proposed to support memory formation, but an analysis using robust statistical methods finds no convincing evidence for the phenomenon.
Vasileios Dimakopoulos, Pierre Mégevand ... Johannes Sarnthein
Precisely tracking the anatomical sources of neural computations infers functional directed connectivity between hippocampal memory neurons and cortical sensory neurons, it reveals information flowing from cortex to hippocampus during encoding but the reverse direction during maintenance.
Kianoush Banaie Boroujeni, Paul Tiesinga, Thilo Womelsdorf
A fast spiking interneuron sub-type in medial and lateral prefrontal cortex fires and gamma-synchronizes prominently during adaptive learning of reward values when outcomes are uncertain and choice options have similar values.
Daniel R Schonhaut, Aditya M Rao ... Michael J Kahana
Neural spiking throughout the MTL is synchronous with hippocampal theta phase during spatial memory and navigation experiments in humans, even after controlling for phase-coupling to local theta oscillations.
Striatal neurons preferentially fire at specific phases of the gait cycle, and the strength of gait encoding is selectively increased in indirect pathway neurons following dopamine lesions.
Building on previous work (Metzen et al., 2016), a combination of neurophysiological and behavioral approaches reveals that changes in the background strongly impacts invariant coding and perception of behaviourally relevant signals.
Andrew J Watrous, Jonathan Miller ... Joshua Jacobs
Prospective navigational goals are represented by single neuron firing rates and firing relative to slow oscillatory phase (phase coding) in the human medial temporal lobe.