Roger Herikstad

Inferring latent behavioral strategy from the representational geometry of prefrontal cortex activity

Yichen Qian, Roger Herikstad, Camilo Libedinsky

Behavioral tasks can be solved employing various strategies. Sometimes, different strategies result in the same observable behavior, making them latent. In this study, we infer the latent behavioral strategy used by monkeys in a working memory updating task by comparing the representational …

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Graphene nanoedge electronics for monolithic and chronic recording of local microcircuits at neuronal density

Jin Yun-Xia, Chne-Wuen Tsai, Sippanat Achavananthadith, Dat T. Nguyen et autres

Abstract High-density single-unit recording among closely spaced neurons over long durations is crucial for understanding the cellular-level functional architecture of the brain. Existing brain probes, however, either laterally sample neurons far more sparsely than neuronal density in the same cortical layer or …

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Inferring Latent Behavioral Strategy from the Representational Geometry of Prefrontal Cortex Activity

Camilo Libedinsky, Yichen Qian, Roger Herikstad

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Inferring Latent Behavioral Strategy from the Representational Geometry of Prefrontal Cortex Activity

Yichen Qian, Roger Herikstad, Camilo Libedinsky

Abstract Behavioral tasks can be solved employing various strategies. Sometimes, different strategies result in the same observable behavior, making them latent. In this study, we infer the latent behavioral strategy used by monkeys in a working memory updating task by comparing the …

sg (code pays fourni par la source)

Working Memory Updating in the Macaque Lateral Prefrontal Cortex

Yichen Qian, Roger Herikstad, Camilo Libedinsky

Working memory updating is an important executive process. Here, we study the single-neuron mechanisms involved in updating versus protecting memory from distractors in the macaque prefrontal cortex. We recorded single-neuron activity from the lateral prefrontal cortex (LPFC) and prearcuate cortex (PAC) while …

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Prefrontal Manifold Geometry Contributes to Reaction Time Variability

Roger Herikstad, Camilo Libedinsky

Spike counts from cells recorded from the Frontal Eye Fields (FEF) and dorso-lateral prefrontal cortex (DLPFC) of 2 non-human primates preforming a delayed memory saccade task. Each file contains spike counts for all cells aligned to either target onset, go-cue onset or …

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Prefrontal Manifold Geometry Contributes to Reaction Time Variability

Roger Herikstad, Camilo Libedinsky

Spike counts from cells recorded from the Frontal Eye Fields (FEF) and dorso-lateral prefrontal cortex (DLPFC) of 2 non-human primates preforming a delayed memory saccade task. Each file contains spike counts for all cells aligned to either target onset, go-cue onset or …

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Distinct Lateral Prefrontal Regions Are Organized in an Anterior–Posterior Functional Gradient

Pin Kwang Tan, Cheng Tang, Roger Herikstad, Arunika Pillay et autres

The dorsolateral prefrontal cortex (dlPFC) is composed of multiple anatomically defined regions involved in higher-order cognitive processes, including working memory and selective attention. It is organized in an anterior–posterior global gradient where posterior regions track changes in the environment, whereas anterior regions …

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Prefrontal Manifold Geometry Explains Reaction Time Variability

Roger Herikstad, Camilo Libedinsky

ABSTRACT The stochastic drift-diffusion model proposes that the variability in reaction time is due to randomness during the accumulation of evidence until a decision threshold is reached. However, the neural mechanisms that explain both the randomness and implementation of the decision threshold …

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JuliaPlots/Makie.jl: v0.15.0

Norma P. Simon, jkrumbiegel, Anshul Singhvi, Frederic Freyer et autres

Makie v0.15.0 Diff since v0.14.2 Closed issues: Segmentation fault for nested plots (#540) update_cam! doesn't respect the value of Camera3D.far (#801) Camera weirdness (#941) CHANGELOG.md confusing (#961) linewidth argument per line in linesegments (#991) Error in documentation (#1007) wireframe is not listed …

gb, de, us, nl, se, id, bd, ro, sg (code pays fourni par la source)

Distinct lateral prefrontal regions are organized in an anterior-posterior functional gradient

Pin Kwang Tan, Cheng Tang, Roger Herikstad, Arunika Pillay et autres

Abstract The dorsolateral prefrontal cortex (DLPFC) is composed of multiple anatomically-defined regions involved in higher-order cognitive processes, including working memory and selective attention. It is organized in an anterior-posterior global gradient, where posterior regions track changes in the environment, while anterior regions …

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Minimally dependent activity subspaces for working memory and motor preparation in the lateral prefrontal cortex

Cheng Tang, Roger Herikstad, Aishwarya Parthasarathy, Camilo Libedinsky et autres

The lateral prefrontal cortex is involved in the integration of multiple types of information, including working memory and motor preparation. However, it is not known how downstream regions can extract one type of information without interference from the others present in the …

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