Layer 1 neocortex: Gating and integrating multidimensional signals

S Huang, SJ Wu, G Sansone, LA Ibrahim, G Fishell - Neuron, 2024 - cell.com
Summary Layer 1 (L1) of the neocortex acts as a nexus for the collection and processing of
widespread information. By integrating ascending inputs with extensive top-down activity …

[HTML][HTML] Cooperative thalamocortical circuit mechanism for sensory prediction errors

S Furutachi, AD Franklin, AM Aldea, TD Mrsic-Flogel… - Nature, 2024 - nature.com
The brain functions as a prediction machine, utilizing an internal model of the world to
anticipate sensations and the outcomes of our actions. Discrepancies between expected …

Adenosine-independent regulation of the sleep–wake cycle by astrocyte activity

W Peng, X Liu, G Ma, Z Wu, Z Wang, X Fei, M Qin… - Cell discovery, 2023 - nature.com
Astrocytes play a crucial role in regulating sleep–wake behavior, and adenosine signaling is
generally thought to be involved. Here we show multiple lines of evidence supporting that …

A frontal transcallosal inhibition loop mediates interhemispheric balance in visuospatial processing

Y Wang, Z Chen, G Ma, L Wang, Y Liu, M Qin… - Nature …, 2023 - nature.com
Interhemispheric communication through the corpus callosum is required for both sensory
and cognitive processes. Impaired transcallosal inhibition causing interhemispheric …

[HTML][HTML] Dysfunctions of cellular context-sensitivity in neurodevelopmental learning disabilities

A Granato, WA Phillips, JM Schulz, M Suzuki… - Neuroscience & …, 2024 - Elsevier
Pyramidal neurons have a pivotal role in the cognitive capabilities of neocortex. Though they
have been predominantly modeled as integrate-and-fire point processors, many of them …

Bottom-up inputs are required for establishment of top-down connectivity onto cortical layer 1 neurogliaform cells

LA Ibrahim, S Huang, M Fernandez-Otero, M Sherer… - Neuron, 2021 - cell.com
Higher-order projections to sensory cortical areas converge on layer 1 (L1), the primary site
for integration of top-down information via the apical dendrites of pyramidal neurons and L1 …

VIP-expressing interneurons in the anterior insular cortex contribute to sensory processing to regulate adaptive behavior

A Ramos-Prats, E Paradiso, F Castaldi, M Sadeghi… - Cell Reports, 2022 - cell.com
Adaptive behavior critically depends on the detection of behaviorally relevant stimuli. The
anterior insular cortex (aIC) has long been proposed as a key player in the representation …

Comparative brain-wide map** of ketamine-and isoflurane-activated nuclei and functional networks in the mouse brain

Y Hu, W Du, J Qi, H Luo, Z Zhang, M Luo, Y Wang - Elife, 2024 - elifesciences.org
Ketamine (KET) and isoflurane (ISO) are two widely used general anesthetics, yet their
distinct and shared neurophysiological mechanisms remain elusive. In this study, we …

Behavioral strategy shapes activation of the Vip-Sst disinhibitory circuit in visual cortex

A Piet, N Ponvert, D Ollerenshaw, M Garrett… - Neuron, 2024 - cell.com
In complex environments, animals can adopt diverse strategies to find rewards. How distinct
strategies differentially engage brain circuits is not well understood. Here, we investigate this …

Organization of corticocortical and thalamocortical top-down inputs in the primary visual cortex

Y Liu, J Zhang, Z Jiang, M Qin, M Xu, S Zhang… - Nature …, 2024 - nature.com
Unified visual perception requires integration of bottom-up and top-down inputs in the
primary visual cortex (V1), yet the organization of top-down inputs in V1 remains unclear …