Computational models link cellular mechanisms of neuromodulation to large-scale neural dynamics

JM Shine, EJ Müller, B Munn, J Cabral, RJ Moran… - Nature …, 2021 - nature.com
Decades of neurobiological research have disclosed the diverse manners in which the
response properties of neurons are dynamically modulated to support adaptive cognitive …

[HTML][HTML] The locus coeruleus-norepinephrine system in stress and arousal: unraveling historical, current, and future perspectives

JA Ross, EJ Van Bockstaele - Frontiers in psychiatry, 2021 - frontiersin.org
Arousal may be understood on a spectrum, with excessive sleepiness, cognitive dysfunction,
and inattention on one side, a wakeful state in the middle, and hypervigilance, panic, and …

In vivo and neuropathology data support locus coeruleus integrity as indicator of Alzheimer's disease pathology and cognitive decline

HIL Jacobs, JA Becker, K Kwong… - Science translational …, 2021 - science.org
Several autopsy studies recognize the locus coeruleus (LC) as the initial site of
hyperphosphorylated TAU aggregation, and as the number of LC neurons harboring TAU …

[HTML][HTML] Noradrenergic circuit control of non-REM sleep substates

A Osorio-Forero, R Cardis, G Vantomme… - Current Biology, 2021 - cell.com
To understand what makes sleep vulnerable in disease, it is useful to look at how wake-
promoting mechanisms affect healthy sleep. Wake-promoting neuronal activity is inhibited …

[HTML][HTML] What have we really learned from functional connectivity in clinical populations?

J Zhang, A Kucyi, J Raya, AN Nielsen, JS Nomi… - NeuroImage, 2021 - Elsevier
Functional connectivity (FC), or the statistical interdependence of blood-oxygen dependent
level (BOLD) signals between brain regions using fMRI, has emerged as a widely used tool …

[HTML][HTML] Locus coeruleus norepinephrine in learned behavior: anatomical modularity and spatiotemporal integration in targets

V Breton-Provencher, GT Drummond… - Frontiers in Neural …, 2021 - frontiersin.org
The locus coeruleus (LC), a small brainstem nucleus, is the primary source of the
neuromodulator norepinephrine (NE) in the brain. The LC receives input from widespread …

Locus coeruleus integrity and the effect of atomoxetine on response inhibition in Parkinson's disease

C O'Callaghan, FH Hezemans, R Ye, C Rua, PS Jones… - Brain, 2021 - academic.oup.com
Cognitive decline is a common feature of Parkinson's disease, and many of these cognitive
deficits fail to respond to dopaminergic therapy. Therefore, targeting other neuromodulatory …

Association of locus coeruleus and substantia nigra pathology with cognitive and motor functions in patients with Parkinson disease

J Prasuhn, M Prasuhn, A Fellbrich, R Strautz… - Neurology, 2021 - AAN Enterprises
Objective To investigate the contribution of substantia nigra (SN) and locus coeruleus (LC)
pathology to clinical signs and symptoms in Parkinson disease (PD) by applying …

Out-of-step: brain-heart desynchronization in anxiety disorders

S Tumati, MP Paulus, G Northoff - Molecular psychiatry, 2021 - nature.com
Imaging studies in anxiety disorders (AD) show abnormal functional connectivity primarily in
the salience network (SN), somatomotor network (SMN), and default mode network (DMN) …

[HTML][HTML] Propagating patterns of intrinsic activity along macroscale gradients coordinate functional connections across the whole brain

B Yousefi, S Keilholz - NeuroImage, 2021 - Elsevier
The intrinsic activity of the human brain, observed with resting-state fMRI (rsfMRI) and
functional connectivity, exhibits macroscale spatial organization such as functional networks …