Current questions on space and time encoding

Head direction is coded more strongly than movement direction in a population of entorhinal neurons

(2015) Florian Raudies et al.   BRAIN RESEARCH

Grid cell symmetry is shaped by environmental geometry

(2015) Julija Krupic et al.   NATURE

A hierarchical model of goal directed navigation selects trajectories in a visual environment

(2015) Uğur M. Erdem et al.   NEUROBIOLOGY OF LEARNING AND MEMORY

A Simple biophysically plausible model for long time constants in single neurons

(2014) Zoran Tiganj et al.   HIPPOCAMPUS

Grid cell spatial tuning reduced following systemic muscarinic receptor blockade

(2014) Ehren L. Newman et al.   HIPPOCAMPUS

A Unified Mathematical Framework for Coding Time, Space, and Sequences in the Hippocampal Region

(2014) M. W. Howard et al.   JOURNAL OF NEUROSCIENCE

A Hybrid Oscillatory Interference/Continuous Attractor Network Model of Grid Cell Firing

(2014) D. Bush et al.   JOURNAL OF NEUROSCIENCE

Theta sequences are essential for internally generated hippocampal firing fields

(2014) Yingxue Wang et al.   NATURE NEUROSCIENCE

New and Distinct Hippocampal Place Codes Are Generated in a New Environment during Septal Inactivation

(2014) Mark P. Brandon et al.   NEURON

The Functional Micro-organization of Grid Cells Revealed by Cellular-Resolution Imaging

(2014) James G. Heys et al.   NEURON

Cholinergic receptor activation supports persistent firing in layer III neurons in the medial entorhinal cortex

(2013) Arthur Jochems et al.   BEHAVIOURAL BRAIN RESEARCH

Contributions of Medial Temporal Lobe and Striatal Memory Systems to Learning and Retrieving Overlapping Spatial Memories

(2013) T. I. Brown et al.   CEREBRAL CORTEX

Phase coding by grid cells in unconstrained environments: two-dimensional phase precession

(2013) Jason R. Climer et al.   EUROPEAN JOURNAL OF NEUROSCIENCE

Hyperpolarization-activated cyclic nucleotide-gated 1 independent grid cell-phase precession in mice

(2013) Hannah Eggink et al.   HIPPOCAMPUS

Hippocampus and Retrosplenial Cortex Combine Path Integration Signals for Successful Navigation

(2013) K. R. Sherrill et al.   JOURNAL OF NEUROSCIENCE

Distinct Hippocampal Time Cell Sequences Represent Odor Memories in Immobilized Rats

(2013) C. J. MacDonald et al.   JOURNAL OF NEUROSCIENCE

A biologically inspired hierarchical goal directed navigation model

(2013) Uğur M. Erdem et al.   JOURNAL OF PHYSIOLOGY-PARIS

Membrane potential dynamics of grid cells

(2013) Cristina Domnisoru et al.   NATURE

Cellular mechanisms of spatial navigation in the medial entorhinal cortex

(2013) Christoph Schmidt-Hieber et al.   NATURE NEUROSCIENCE

Segregation of cortical head direction cell assemblies on alternating theta cycles

(2013) Mark P Brandon et al.   NATURE NEUROSCIENCE

Grid cells require excitatory drive from the hippocampus

(2013) Tora Bonnevie et al.   NATURE NEUROSCIENCE

Recurrent inhibitory circuitry as a mechanism for grid formation

(2013) Jonathan J Couey et al.   NATURE NEUROSCIENCE

Theta rhythm and the encoding and retrieval of space and time

(2013) Michael E. Hasselmo et al.   NEUROIMAGE

Inhibitory Gradient along the Dorsoventral Axis in the Medial Entorhinal Cortex

(2013) Prateep Beed et al.   NEURON

Hippocampal “Time Cells”: Time versus Path Integration

(2013) Benjamin J. Kraus et al.   NEURON

Neuronal rebound spiking, resonance frequency and theta cycle skipping may contribute to grid cell firing in medial entorhinal cortex

(2013) M. E. Hasselmo   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Oscillatory neurocomputing with ring attractors: a network architecture for mapping locations in space onto patterns of neural synchrony

(2013) H. T. Blair et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

How environment geometry affects grid cell symmetry and what we can learn from it

(2013) J. Krupic et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Rapid and Continuous Modulation of Hippocampal Network State during Exploration of New Places

(2013) Caleb Kemere et al.   PLoS One

Grid alignment in entorhinal cortex

(2012) Bailu Si et al.   BIOLOGICAL CYBERNETICS

A goal-directed spatial navigation model using forward trajectory planning based on grid cells

(2012) Uğur M. Erdem et al.   EUROPEAN JOURNAL OF NEUROSCIENCE

Voltage dependence of subthreshold resonance frequency in layer ii of medial entorhinal cortex

(2012) Christopher F. Shay et al.   HIPPOCAMPUS

Modeling the influence of optic flow on grid cell firing in the absence of other cues1

(2012) Florian Raudies et al.   JOURNAL OF COMPUTATIONAL NEUROSCIENCE

The entorhinal grid map is discretized

(2012) Hanne Stensola et al.   NATURE

Grid cell firing patterns signal environmental novelty by expansion

(2012) C. Barry et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Awake Hippocampal Sharp-Wave Ripples Support Spatial Memory

(2012) S. P. Jadhav et al.   SCIENCE

Intrinsic electrophysiological properties of entorhinal cortex stellate cells and their contribution to grid cell firing fields

(2012) Hugh Pastoll et al.   Frontiers in Neural Circuits

Possible role of acetylcholine in regulating spatial novelty effects on theta rhythm and grid cells

(2012) Caswell Barry et al.   Frontiers in Neural Circuits

A Model Combining Oscillations and Attractor Dynamics for Generation of Grid Cell Firing

(2012) Michael E. Hasselmo et al.   Frontiers in Neural Circuits

The abrupt development of adult-like grid cell firing in the medial entorhinal cortex

(2012) Thomas J. Wills et al.   Frontiers in Neural Circuits

Modeling Boundary Vector Cell Firing Given Optic Flow as a Cue

(2012) Florian Raudies et al.   PLoS Computational Biology

Grid Cells Use HCN1 Channels for Spatial Scaling

(2011) Lisa M. Giocomo et al.   CELL

Phase precession and variable spatial scaling in a periodic attractor map model of medial entorhinal grid cells with realistic after-spike dynamics

(2011) Zaneta Navratilova et al.   HIPPOCAMPUS

Cellular properties of principal neurons in the rat entorhinal cortex. I. The lateral entorhinal cortex

(2011) Cathrin B. Canto et al.   HIPPOCAMPUS

Cellular properties of principal neurons in the rat entorhinal cortex. II. The medial entorhinal cortex

(2011) Cathrin B. Canto et al.   HIPPOCAMPUS

Septotemporal variation in dynamics of theta: speed and habituation

(2011) James R. Hinman et al.   JOURNAL OF NEUROPHYSIOLOGY

Cosine Directional Tuning of Theta Cell Burst Frequencies: Evidence for Spatial Coding by Oscillatory Interference

(2011) A. C. Welday et al.   JOURNAL OF NEUROSCIENCE

Grid cells without theta oscillations in the entorhinal cortex of bats

(2011) Michael M. Yartsev et al.   NATURE

A Scale-Invariant Internal Representation of Time

(2011) Karthik H. Shankar et al.   NEURAL COMPUTATION

Hippocampal “Time Cells” Bridge the Gap in Memory for Discontiguous Events

(2011) Christopher J. MacDonald et al.   NEURON

Reduction of Theta Rhythm Dissociates Grid Cell Spatial Periodicity from Directional Tuning

(2011) M. P. Brandon et al.   SCIENCE

The Spatial Periodicity of Grid Cells Is Not Sustained During Reduced Theta Oscillations

(2011) J. Koenig et al.   SCIENCE

Grid cell hexagonal patterns formed by fast self-organized learning within entorhinal cortex

(2010) Himanshu Mhatre et al.   HIPPOCAMPUS

Cholinergic Modulation of the Resonance Properties of Stellate Cells in Layer II of Medial Entorhinal Cortex

(2010) James G. Heys et al.   JOURNAL OF NEUROPHYSIOLOGY

Theta Modulation in the Medial and the Lateral Entorhinal Cortices

(2010) Sachin S. Deshmukh et al.   JOURNAL OF NEUROPHYSIOLOGY

Which Way Was I Going? Contextual Retrieval Supports the Disambiguation of Well Learned Overlapping Navigational Routes

(2010) T. I. Brown et al.   JOURNAL OF NEUROSCIENCE

The Range of Intrinsic Frequencies Represented by Medial Entorhinal Cortex Stellate Cells Extends with Age

(2010) A. Boehlen et al.   JOURNAL OF NEUROSCIENCE

Evidence for grid cells in a human memory network

(2010) Christian F. Doeller et al.   NATURE

Solving Navigational Uncertainty Using Grid Cells on Robots

(2010) Michael J. Milford et al.   PLoS Computational Biology

Knock-Out of HCN1 Subunit Flattens Dorsal-Ventral Frequency Gradient of Medial Entorhinal Neurons in Adult Mice

(2009) L. M. Giocomo et al.   JOURNAL OF NEUROSCIENCE

Boundary Vector Cells in the Subiculum of the Hippocampal Formation

(2009) C. Lever et al.   JOURNAL OF NEUROSCIENCE

A model of episodic memory: Mental time travel along encoded trajectories using grid cells

(2009) Michael E. Hasselmo   NEUROBIOLOGY OF LEARNING AND MEMORY

Hippocampal Replay of Extended Experience

(2009) Thomas J. Davidson et al.   NEURON

Theta Oscillations Provide Temporal Windows for Local Circuit Computation in the Entorhinal-Hippocampal Loop

(2009) Kenji Mizuseki et al.   NEURON

Accurate Path Integration in Continuous Attractor Network Models of Grid Cells

(2009) Yoram Burak et al.   PLoS Computational Biology

Computation by oscillations: Implications of experimental data for theoretical models of grid cells

(2008) Lisa M. Giocomo et al.   HIPPOCAMPUS

Grid cell mechanisms and function: Contributions of entorhinal persistent spiking and phase resetting

(2008) Michael E. Hasselmo   HIPPOCAMPUS

Conversion of a phase- to a rate-coded position signal by a three-stage model of theta cells, grid cells, and place cells

(2008) Hugh T. Blair et al.   HIPPOCAMPUS

The emergence of grid cells: Intelligent design or just adaptation?

(2008) Emilio Kropff et al.   HIPPOCAMPUS

Grid cells and theta as oscillatory interference: Theory and predictions

(2008) Neil Burgess   HIPPOCAMPUS

A metric for space

(2008) Edvard I. Moser et al.   HIPPOCAMPUS

Influence of boundary removal on the spatial representations of the medial entorhinal cortex

(2008) Francesco Savelli et al.   HIPPOCAMPUS

Grid cells and theta as oscillatory interference: Electrophysiological data from freely moving rats

(2008) A. Jeewajee et al.   HIPPOCAMPUS

The presence of pacemaker HCN channels identifies theta rhythmic GABAergic neurons in the medial septum

(2008) Viktor Varga et al.   JOURNAL OF PHYSIOLOGY-LONDON

Hippocampus-independent phase precession in entorhinal grid cells

(2008) Torkel Hafting et al.   NATURE

Tuning of Synaptic Integration in the Medial Entorhinal Cortex to the Organization of Grid Cell Firing Fields

(2008) Derek L.F. Garden et al.   NEURON

Representation of Geometric Borders in the Entorhinal Cortex

(2008) Trygve Solstad et al.   SCIENCE

Internally Generated Cell Assembly Sequences in the Rat Hippocampus

(2008) E. Pastalkova et al.   SCIENCE