Memory and Neural Mechanisms

The paper shows that timing of sensory stimuli affects memory recall in humans, supporting STDP-like mechanisms in human episodic memory.

The paper shows that CB1R blockade increases contextual fear generalization in female rats but not males, mediated by TRPV1R, and identifies sex differences in vHip-BLA circuitry.

The paper shows that trait anxiety is linked to greater reliance on hidden-state inference during aversive reversal learning, as evidenced by steeper expectation switches and better model fit for state inference over gradual learning.

This study shows optogenetic LC stimulation reduces spontaneous recovery of appetitive extinction in rats, suggesting LC's role in reward-related extinction.

This study shows that high salt intake affects contextual fear generalization differently in male and female mice, without altering stress markers.

This study investigates the effects of the Kv3.1/3.2 modulator AUT00206 on fear discrimination in rats, showing response-specific modulation of generalization and expression.

This study shows that hippocampal place cell remapping occurs when rats remember aversive shocks but not when they forget them or encounter neutral stimuli.

This study examines the anxiolytic effects of sodium valproate on flavor neophobia and fear conditioning in rats, finding both unconditioned and conditioned effects.

The paper investigates whether verbal instructions about fear reversal can override memory traces of prior CS-US pairings in brain regions using fMRI and representational similarity analysis.

This study investigates the interaction between the dorsal periaqueductal gray and basolateral amygdala in rats during a predator threat task, finding that dPAG stimulation triggers fleeing and increases BLA activity.

This study shows that stimulating engram neurons during the trough of theta oscillations enhances memory recall more than fixed frequency or peak stimulation.

The paper uses mathematical methods to determine that uniform inhibition from CA1 interneurons optimally produces phase precession in place cells.

This study shows that grid cells and place cells in rats have time shifts proportional to their spatial scales, enabling the representation of multiple time horizons for navigation.

The paper investigates how mild and strong fear memories differ in brain connectivity, finding that strong memories disrupt network connectivity and isolate the amygdala.

This study identifies Npas4-mediated regulation of Drd4 synthesis in the amygdala that controls the functional states of CS- memory, influencing its retrievability and silence after consolidation.

The paper shows that T-type Ca2+ currents and persistent Na+ currents in ventral mEC stellate neurons increase excitability, distinguishing them from dorsal neurons.

The paper investigates how different memory systems contribute to recalling the temporal order of events, showing distinct neural dynamics in the hippocampus and orbitofrontal cortex.

The paper investigates how bioelectric fields contribute to memory network formation through in vivo ephaptic coupling using synergetics and machine learning.

The paper identifies six glutamatergic neuron types in the LHA-LHb pathway, showing that Esr1+ neurons induce aversion and are involved in stress sensitivity in female mice.

The paper presents a deep network model of hippocampal memory functions, simulating normal and Alzheimer's disease conditions by altering network damage levels and observing recall behavior.

This paper introduces an unsupervised neural network model that explains memory integration and differentiation based on competitor activity levels, showing rapid and asymmetric differentiation with anticorrelated representations.

This study shows that perirhinal cortex, not ventral hippocampus, mediates object-based approach-avoidance conflict in rats, challenging the traditional focus on hippocampus in AA conflict behavior.

The paper introduces a model showing that slow fluctuations in intrinsic excitability drive neural ensemble drift, which is necessary for decoding temporal information.

This paper shows that egocentric boundary cells can be generated with a simple synaptic learning rule that creates sparse representations of visual input, matching observed neural activity in retrosplenial cortex.

This study shows that basolateral amygdala astrocytes are responsive to fear memory acquisition and recall, with distinct calcium dynamics during fear conditioning and extinction.

The paper investigates how experience modifies hippocampal and cortical network communication through a KIBRA-dependent mechanism in mice.

The paper identifies an entorhinal-like structure in chickadees that exhibits similar anatomical and physiological features to the mammalian entorhinal cortex, suggesting conserved functions in hippocampal processing.

The paper develops a method for tracing polysynaptic neuronal circuits between the hippocampus and striatum and reveals their wiring diagram.

The paper compares the timing of action and reward event representation in hippocampal CA1 and lateral entorhinal cortex layers during operant learning in rats.

The paper investigates the role of the rat anteroventral thalamic nucleus in integrating spatial and movement signals, identifying place cells and conjunctive neurons in specific subfields.