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  1. Abstract representations emerge naturally in neural networks trained to perform multiple tasks

    Publication

  2. The geometry of cortical representations of touch in rodents

    Publication

  3. Face familiarity detection with complex synapses

    Publication

  4. The implications of categorical and category-free mixed selectivity on representational geometries

    Publication

  5. Signatures of rapid plasticity in hippocampal CA1 representations during novel experiences

    Publication
    Neurons in the hippocampus exhibit a striking selectivity for specific combinations of sensory features, forming representations that are thought to subserve episodic memory. Even during completely novel experiences …

  6. Sensorimotor strategies and neuronal representations for shape discrimination

    Publication

  7. The Geometry of Abstraction in the Hippocampus and Prefrontal Cortex

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    The curse of dimensionality plagues models of reinforcement learning and decision making. The process of abstraction solves this by constructing variables describing features shared by different instances, reducing …

  8. Coding of social novelty in the hippocampal CA2 region and its disruption and rescue in a 22q11.2 microdeletion mouse model

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    The hippocampal CA2 region is essential for social memory. To determine whether CA2 activity encodes social interactions, we recorded extracellularly from CA2 pyramidal neurons (PNs) in male mice …

  9. Low-dimensional dynamics for working memory and time encoding

    Publication
    Our decisions often depend on multiple sensory experiences separated by time delays. The brain can remember these experiences and, simultaneously, estimate the timing between events. To understand the …

  10. Flexible recruitment of memory-based choice representations by the human medial frontal cortex

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    Decision-making in complex environments relies on flexibly using prior experience. This process depends on the medial frontal cortex (MFC) and the medial temporal lobe, but it remains …

  11. A Distributed Neural Code in the Dentate Gyrus and in CA1

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    Neurons are often considered specialized functional units that encode a single variable. However, many neurons are observed to respond to a mix of disparate sensory, cognitive, and behavioral …

  12. Hippocampal Network Reorganization Underlies the Formation of a Temporal Association Memory

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    Episodic memory requires linking events in time, a function dependent on the hippocampus. In “trace” fear conditioning, animals learn to associate a neutral cue with an aversive stimulus …

  13. Context-dependent representations of objects and space in the primate hippocampus during virtual navigation.

    Publication
    The hippocampus is implicated in associative memory and spatial navigation. To investigate how these functions are mixed in the hippocampus, we recorded from single hippocampal neurons in macaque …

  14. Deviation from the matching law reflects an optimal strategy involving learning over multiple timescales

    Publication
    Behavior deviating from our normative expectations often appears irrational. For example, even though behavior following the so-called matching law can maximize reward in a stationary foraging task …

  15. Neural classifiers with limited connectivity and recurrent readouts.

    Publication
    … propose a model in which a recurrent network reads out multiple neural classifiers. Its performance scales with the total number of neurons even when each neuron of …

  16. Hebbian Learning in a Random Network Captures Selectivity Properties of Prefrontal Cortex.

    Publication
    … selectivity")-is a topic of interest. Despite the fact that models with random feedforward connectivity are capable of creating computationally-relevant mixed selectivity, such a model does …