Sandro Romani

This paper develops a model of continual recognition memory using plateau-gated one-shot plasticity, showing it outperforms Hebbian controls in accuracy and memory retention.

The paper uses a Drosophila connectome to analyze visual pathway organization, revealing multi-layered, functionally interpretable pathways that transform visual input into perceptual representations.

The paper presents the complete connectome of the Drosophila male central nervous system and compares it to the female connectome, identifying sex-specific and dimorphic neuronal types.

The paper develops an algorithm to transform symmetric attractor models into functionally equivalent heterogeneous models, showing hidden symmetries in fly connectomes support ring attractor dynamics.

This study identifies remote replay events in the hippocampus of rats performing a sequential spatial working memory task, showing that these events correlate with planning beyond immediate actions.

The paper investigates how memory traces influence hippocampal generalization by showing residual activity and synaptic plasticity guide new learning across environments.

A FIB-SEM connectome of the male Drosophila right optic lobe sorts ∼53,000 neurons into 727 types, with neurotransmitter predictions and 577 matched split-GAL4 lines.

The paper constructs a neural network model for the fruit fly head direction system that aligns with connectome-derived architecture and enables continuous head-direction representation.

The paper shows that small neural networks with as few as 4 neurons can accurately integrate angular velocity for spatial navigation, challenging the need for large ring attractor networks.

The paper investigates how neuronal populations encode visual scenes invariant to perspective changes, finding equivariant structures in higher-order visual areas.

The paper reconstructs and identifies 58 Lobula Plate Tangential Neurons in Drosophila using EM and predicts their optic flow sensitivity through computational anatomy.

This study shows that cell-type-specific synaptic plasticity in PT neurons is essential for shaping neocortical dynamics during motor learning.

The paper identifies cellular and circuit mechanisms in hippocampal CA3 that underlie attractor dynamics through behavioral timescale synaptic plasticity and entorhinal input.

This study shows that bidirectional synaptic plasticity modifies hippocampal place fields by adjusting synaptic weights based on temporal proximity and current synaptic strength.

The paper investigates crosstalk between ON and OFF motion pathways in Drosophila and shows how it explains a visual illusion.

The paper shows that attractor dynamics in the frontal cortex gate sensory information flow during decision-making, making choices more robust to distractors over time.

The paper develops a probabilistic model of hippocampal CA1 representations in mice, showing that field propensity shapes spatial coding across environments and time.

The paper proposes a graph-based model for memory recall and verifies it with experiments, showing a universal search process for recalling items.

The paper investigates directional selectivity in Drosophila OFF motion pathway neurons, finding asymmetric receptive fields and passive suppression mechanisms.

The paper identifies head-direction cells in bats that dynamically adjust their firing based on angular velocity, proposing a new model to explain this behavior.

The paper investigates persistent activity in mouse frontal cortex during a delayed response task and finds evidence for discrete attractor dynamics underlying short-term memory for motor planning.

The paper compares preparatory activity in the mouse anterior lateral motor cortex across two tasks and finds similar low-dimensional and monotonic features.