[HTML][HTML] The aging mouse brain: cognition, connectivity and calcium

CI Radulescu, V Cerar, P Haslehurst, M Kopanitsa… - Cell calcium, 2021 - Elsevier
Aging is a complex process that differentially impacts multiple cognitive, sensory, neuronal
and molecular processes. Technological innovations now allow for parallel investigation of …

Imaging synaptic density: the next holy grail of neuroscience?

ME Serrano, E Kim, MM Petrinovic… - Frontiers in …, 2022 - frontiersin.org
The brain is the central and most complex organ in the nervous system, comprising billions
of neurons that constantly communicate through trillions of connections called synapses …

Connectomic comparison of mouse and human cortex

S Loomba, J Straehle, V Gangadharan, N Heike… - Science, 2022 - science.org
The human cerebral cortex houses 1000 times more neurons than that of the cerebral cortex
of a mouse, but the possible differences in synaptic circuits between these species are still …

[HTML][HTML] Reconstruction of neocortex: Organelles, compartments, cells, circuits, and activity

NL Turner, T Macrina, JA Bae, R Yang, AM Wilson… - Cell, 2022 - cell.com
We assembled a semi-automated reconstruction of L2/3 mouse primary visual cortex from∼
250× 140× 90 μm 3 of electron microscopic images, including pyramidal and non-pyramidal …

Dense connectomic reconstruction in layer 4 of the somatosensory cortex

A Motta, M Berning, KM Boergens, B Staffler, M Beining… - Science, 2019 - science.org
INTRODUCTION The brain of mammals consists of an enormously dense network of
neuronal wires: the axons and dendrites of nerve cells. Their packing density is so high that …

Glutamate indicators with improved activation kinetics and localization for imaging synaptic transmission

A Aggarwal, R Liu, Y Chen, AJ Ralowicz… - Nature …, 2023 - nature.com
The fluorescent glutamate indicator iGluSnFR enables imaging of neurotransmission with
genetic and molecular specificity. However, existing iGluSnFR variants exhibit low in vivo …

The times they are a-changin': a proposal on how brain flexibility goes beyond the obvious to include the concepts of “upward” and “downward” to neuroplasticity

CRAF Diniz, AP Crestani - Molecular Psychiatry, 2023 - nature.com
Since the brain was found to be somehow flexible, plastic, researchers worldwide have
been trying to comprehend its fundamentals to better understand the brain itself, make …

[HTML][HTML] 3D cellular reconstruction of cortical glia and parenchymal morphometric analysis from Serial Block-Face Electron Microscopy of juvenile rat

C Calì, M Agus, K Kare, DJ Boges, H Lehväslaiho… - Progress in …, 2019 - Elsevier
With the rapid evolution in the automation of serial electron microscopy in life sciences, the
acquisition of terabyte-sized datasets is becoming increasingly common. High resolution …

Isochronic development of cortical synapses in primates and mice

G Wildenberg, H Li, V Sampathkumar… - Nature …, 2023 - nature.com
The neotenous, or delayed, development of primate neurons, particularly human ones, is
thought to underlie primate-specific abilities like cognition. We tested whether synaptic …

Ultrastructural evidence for a role of astrocytes and glycogen-derived lactate in learning-dependent synaptic stabilization

E Vezzoli, C Cali, M De Roo, L Ponzoni… - Cerebral …, 2020 - academic.oup.com
Long-term memory formation (LTM) is a process accompanied by energy-demanding
structural changes at synapses and increased spine density. Concomitant increases in both …