Early Alzheimer's disease pathology in human cortex involves transient cell states

V Gazestani, T Kamath, NM Nadaf, A Dougalis… - Cell, 2023 - cell.com
Cellular perturbations underlying Alzheimer's disease (AD) are primarily studied in human
postmortem samples and model organisms. Here, we generated a single-nucleus atlas from …

On the functions, mechanisms, and malfunctions of intracortical contextual modulation

WA Phillips, A Clark, SM Silverstein - Neuroscience & Biobehavioral …, 2015 - Elsevier
A broad neuron-centric conception of contextual modulation is reviewed and re-assessed in
the light of recent neurobiological studies of amplification, suppression, and synchronization …

[HTML][HTML] Distinctive biophysical features of human cell-types: insights from studies of neurosurgically resected brain tissue

HM Chameh, M Falby, M Movahed, K Arbabi… - Frontiers in Synaptic …, 2023 - frontiersin.org
Electrophysiological characterization of live human tissue from epilepsy patients has been
performed for many decades. Although initially these studies sought to understand the …

Trace fear conditioning differentially modulates intrinsic excitability of medial prefrontal cortex–basolateral complex of amygdala projection neurons in infralimbic and …

C Song, VL Ehlers, JR Moyer - Journal of Neuroscience, 2015 - Soc Neuroscience
Neuronal activity in medial prefrontal cortex (mPFC) is critical for the formation of trace fear
memory, yet the cellular mechanisms underlying these memories remain unclear. One …

D3 receptors regulate excitability in a unique class of prefrontal pyramidal cells

RL Clarkson, AT Liptak, SM Gee, VS Sohal… - Journal of …, 2017 - Soc Neuroscience
The D3 dopamine receptor, a member of the Gi-coupled D2 family of dopamine receptors, is
expressed throughout limbic circuits affected in neuropsychiatric disorders, including …

Cortical output is gated by horizontally projecting neurons in the deep layers

R Egger, RT Narayanan, JM Guest, A Bast, D Udvary… - Neuron, 2020 - cell.com
Pyramidal tract neurons (PTs) represent the major output cell type of the mammalian
neocortex. Here, we report the origins of the PTs' ability to respond to a broad range of …

Adrenergic modulation regulates the dendritic excitability of layer 5 pyramidal neurons in vivo

C Labarrera, Y Deitcher, A Dudai, B Weiner… - Cell reports, 2018 - cell.com
The excitability of the apical tuft of layer 5 pyramidal neurons is thought to play a crucial role
in behavioral performance and synaptic plasticity. We show that the excitability of the apical …

High-frequency burst spiking in layer 5 thick-tufted pyramids of rat primary somatosensory cortex encodes exploratory touch

CPJ de Kock, J Pie, AW Pieneman, RA Mease… - Communications …, 2021 - nature.com
Diversity of cell-types that collectively shape the cortical microcircuit ensures the necessary
computational richness to orchestrate a wide variety of behaviors. The information content …

Two forms of synaptic depression produced by differential neuromodulation of presynaptic calcium channels

KJ Burke, CM Keeshen, KJ Bender - Neuron, 2018 - cell.com
Neuromodulators are important regulators of synaptic transmission throughout the brain. At
the presynaptic terminal, neuromodulation of calcium channels (CaVs) can affect …

Cognitive functions of intracellular mechanisms for contextual amplification

WA Phillips - Brain and Cognition, 2017 - Elsevier
Evidence for the hypothesis that input to the apical tufts of neocortical pyramidal cells plays a
central role in cognition by amplifying their responses to feedforward input is reviewed …