A cellular perspective on brain energy metabolism and functional imaging

PJ Magistretti, I Allaman - Neuron, 2015 - cell.com
The energy demands of the brain are high: they account for at least 20% of the body's
energy consumption. Evolutionary studies indicate that the emergence of higher cognitive …

The pathobiology of vascular dementia

C Iadecola - Neuron, 2013 - cell.com
Vascular cognitive impairment defines alterations in cognition, ranging from subtle deficits to
full-blown dementia, attributable to cerebrovascular causes. Often coexisting with …

Caveolae in CNS arterioles mediate neurovascular coupling

BW Chow, V Nuñez, L Kaplan, AJ Granger, K Bistrong… - Nature, 2020 - nature.com
Proper brain function depends on neurovascular coupling: neural activity rapidly increases
local blood flow to meet moment-to-moment changes in regional brain energy demand …

Entrainment of arteriole vasomotor fluctuations by neural activity is a basis of blood-oxygenation-level-dependent “resting-state” connectivity

C Mateo, PM Knutsen, PS Tsai, AY Shih, D Kleinfeld - Neuron, 2017 - cell.com
Resting-state signals in blood-oxygenation-level-dependent (BOLD) imaging are used to
parcellate brain regions and define" functional connections" between regions. Yet a …

Ultra-slow oscillations in fMRI and resting-state connectivity: neuronal and vascular contributions and technical confounds

PJ Drew, C Mateo, KL Turner, X Yu, D Kleinfeld - Neuron, 2020 - cell.com
Summary Ultra-slow,∼ 0.1-Hz variations in the oxygenation level of brain blood are widely
used as an fMRI-based surrogate of" resting-state" neuronal activity. The temporal …

The cortical angiome: an interconnected vascular network with noncolumnar patterns of blood flow

P Blinder, PS Tsai, JP Kaufhold, PM Knutsen… - Nature …, 2013 - nature.com
What is the nature of the vascular architecture in the cortex that allows the brain to meet the
energy demands of neuronal computations? We used high-throughput histology to …

Two-photon microscopy as a tool to study blood flow and neurovascular coupling in the rodent brain

AY Shih, JD Driscoll, PJ Drew… - Journal of Cerebral …, 2012 - journals.sagepub.com
The cerebral vascular system services the constant demand for energy during neuronal
activity in the brain. Attempts to delineate the logic of neurovascular coupling have been …

Imaging faster neural dynamics with fast fMRI: A need for updated models of the hemodynamic response

JR Polimeni, LD Lewis - Progress in neurobiology, 2021 - Elsevier
Fast fMRI enables the detection of neural dynamics over timescales of hundreds of
milliseconds, suggesting it may provide a new avenue for studying subsecond neural …

Brain microvasculature has a common topology with local differences in geometry that match metabolic load

X Ji, T Ferreira, B Friedman, R Liu, H Liechty, E Bas… - Neuron, 2021 - cell.com
The microvasculature underlies the supply networks that support neuronal activity within
heterogeneous brain regions. What are common versus heterogeneous aspects of the …

High-speed volumetric two-photon fluorescence imaging of neurovascular dynamics

JL Fan, JA Rivera, W Sun, J Peterson… - Nature …, 2020 - nature.com
Understanding the structure and function of vasculature in the brain requires us to monitor
distributed hemodynamics at high spatial and temporal resolution in three-dimensional (3D) …