Decoupling Choice from Motor Response Reduces Choice-History Effects

Kavli Affiliate: Michael Shadlen | Authors: Sriram Thothathri, Bharath Chandra Talluri, S. Shushruth, Michael N. Shadlen and Hendrikje Nienborg | Summary: Perception and action form a loop as an organism interacts with its environment. Here, we probe the interdependence between the two in the context of choice-history effects, the tendency of past choices and their […]


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PLANCK: super-multiplex optical imaging without labeling

Kavli Affiliate: Wei Min | Authors: Xinwen Liu, Xuemeng Li, Lele Xu, Mian Wei, Areej Niaz, Ye He and Wei Min | Summary: Molecular information is vital for imaging technology. Optical imaging acquires molecular specificity almost exclusively via labeling strategy, which is fundamentally constrained by limited multiplexing capacity, high running costs, and experimental complexity. Conversely, […]


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Ultramutagenesis through combined Msh2 depletion and proofreading-deficient DNA polymerase ε expression enhances small molecule target identification in forward genetic screens

Kavli Affiliate: Wei Min | Authors: Alexander-Hoi Nguyen, Vicky Li, Wei-Min Chen, Jacob Kimberg, Anthony J. Davis, David G. McFadden and Juan Manuel Povedano | Summary: DNA mismatch repair (MMR) deficiency has been widely utilized in forward genetic screens to identify drug resistance mutations and elucidate the mechanisms of action of cytotoxic small molecules. However, […]


Continue.. Ultramutagenesis through combined Msh2 depletion and proofreading-deficient DNA polymerase ε expression enhances small molecule target identification in forward genetic screens

Instrumental-Motor Transfer: The Relative Value of Competing Movement Goals Modulates Implicit Motor Learning – Copy

Kavli Affiliate: Vincent Ferrera | Authors: Vincent P. Ferrera, Samuel Lippl, Kenneth Kay, Fabian Munoz, Yuhao Jin, Greg Jensen and Herbert S. Terrace | Summary: Transitive inference (TI) is the ability to reason about transitive relationships in an ordered set of items (e.g., if A>B and B>C, then A>C). TI is widely held to depend […]


Continue.. Instrumental-Motor Transfer: The Relative Value of Competing Movement Goals Modulates Implicit Motor Learning – Copy

Behavioral Signatures of Post-Decisional Attention in Preferential Choice

Kavli Affiliate: Michael Shadlen | Authors: Ariel Zylberberg, Ian Krajbich and Michael N Shadlen | Summary: Attention plays a key role in decision-making by directing limited cognitive resources to relevant information. It has been proposed that attention also biases the decision process, due to a multiplicative interaction between attention and subjective value (e.g., Krajbich et […]


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Cell-type-specific cortical feedback coordinates hierarchical credit assignment

Kavli Affiliate: Rui Costa | Authors: Will Greedy, Heng Wei Zhu, Alexia Duriez, Joseph Pemberton, Patrick T. McCarthy, Kevin Kermani Nejad and Rui Ponte Costa | Summary: Learning is thought to arise from synaptic modifications embedded in brain-wide circuits 1–3, yet how such circuits coordinate plasticity to support complex behaviour is not known 4,5. Inspired […]


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Psychedelics relax predictive processing in the post-acute period by remodeling cortico-cortical feedback circuits

Kavli Affiliate: Darcy Peterka | Authors: Chloe L West, Fumiyasu Imai, Georgia Bastos, Molly Hornick, Lital Rachmany, Annabel Duran, Samen Nadeem, David A Ricci, Anna M Rader Groves, Joseph A Wargo, Neil Van Leeuwen, Henry Sershen, Vinod Yaragudri, Darcy S Peterka and Jordan P Hamm | Summary: Serotonergic psychedelics (e.g., psilocybin, LSD) have potential to […]


Continue.. Psychedelics relax predictive processing in the post-acute period by remodeling cortico-cortical feedback circuits

Striatal ensembles specify and control ongoing actions at fine motor resolution

Kavli Affiliate: Rui Costa and Darcy Peterka | Authors: nes Rodrigues-Vaz, Vivek R. Athalye, Helio F. M. Rodrigues, Darcy S. Peterka and Rui M. Costa | Summary: The striatum is classically thought to modulate action vigor and reinforcement, but whether it specifies and controls ongoing actions at a fine scale remains unclear. Here, we test […]


Continue.. Striatal ensembles specify and control ongoing actions at fine motor resolution

Striatal ensembles specify and control granular forelimb actions

Kavli Affiliate: Rui Costa and Darcy Peterka | Authors: Ines Rodrigues-Vaz, Vivek R. Athalye, Darcy S. Peterka and Rui M. Costa | Summary: The striatum is classically thought to modulate action vigor and reinforcement, but whether it specifies and controls ongoing actions at a fine scale remains unclear. Here, we test whether striatal activity can […]


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Connectivity Logic of Dendritic Spines in Cortex: Increased Inputs and Ensemble Formation

Kavli Affiliate: Rafael Yuste | Authors: Dean Geckt, Netanel Ofer, Michael W. Reimann, Rafael Yuste and Idan Segev | Summary: Dendritic spines, small protrusions covering the dendrites of most neurons, are fundamental elements of synaptic connectivity, yet their network-level organization remains poorly understood. Here we leverage the large-scale MICrONS volumetric electron microscopy dataset of mouse […]


Continue.. Connectivity Logic of Dendritic Spines in Cortex: Increased Inputs and Ensemble Formation