A neural signature for the subjective experience of threat anticipation under uncertainty

X Liu, G Jiao, F Zhou, KM Kendrick, D Yao… - Nature …, 2024 - nature.com
Uncertainty about potential future threats and the associated anxious anticipation represents
a key feature of anxiety. However, the neural systems that underlie the subjective …

Threat vigilance and intrinsic amygdala connectivity

PA Kirk, AJ Holmes, OJ Robinson - Human brain mapping, 2022 - Wiley Online Library
A well‐documented amygdala‐dorsomedial prefrontal circuit is theorized to promote
attention to threat (“threat vigilance”). Prior research has implicated a relationship between …

7-Tesla evidence for columnar and rostral–caudal organization of the human periaqueductal gray response in the absence of threat: a working memory study.

AK Fischbach, AB Satpute, K Quigley… - Journal of …, 2024 - Soc Neuroscience
The periaqueductal gray (PAG) is a small midbrain structure that surrounds the cerebral
aqueduct, regulates brain–body communication, and is often studied for its role in “fight-or …

ShuYu capsule alleviates emotional and physical symptoms of premenstrual dysphoric disorder: Impact on ALLO decline and GABAA receptor δ subunit in the PAG …

X Geng, X Wang, K Liu, Y Xing, J Xu, Z Li, H Zhang… - Phytomedicine, 2024 - Elsevier
Premenstrual dysphoric disorder (PMDD) is a severe subtype of premenstrual syndrome in
women of reproductive age, with its pathogenesis linked to the heightened sensitivity of type …

Periaqueductal gray matter and medial prefrontal cortex reflect negative prediction errors during differential conditioning

AX Gorka, RT Philips, S Torrisi… - Social Cognitive and …, 2023 - academic.oup.com
Computational models of associative learning posit that negative prediction errors (PEs)
arising from the omission of aversive outcomes weaken aversive Pavlovian associations …

Using movies to probe the neurobiology of anxiety

PA Kirk - 2023 - discovery.ucl.ac.uk
Over the past century, research has helped us build a fundamental understanding of the
neurobiological underpinnings of anxiety. Specifically, anxiety engages a broad range of …

COGNITIVE IMPAIRMENT IN MOOD DISORDERS: NEUROPSYCHOLOGY, MULTIMODAL BRAIN IMAGING, AND THE EFFECT OF NEUROINFLAMMATION

F Calesella - 2024 - iris.unisr.it
Il peso dei disturbi dell'umore continua a crescere, con circa un terzo dei pazienti che non
risponde agli antidepressivi. Una diagnosi accurata e tempestiva è essenziale per la …

Role of dorsal periaqueductal grey in instinctive defensive behavior

IP Ayuso Jimeno - 2024 - archiv.ub.uni-heidelberg.de
To survive, animals have to finely regulate their threat assessment and escape behavior. In
mice, the brainstem dorsal periaqueductal grey (dPAG) generates innate defensive …

Denoising Approach Affects Diagnostic Differences in Brain Connectivity across the Alzheimer's Disease Continuum

JK Blujus, H Oh… - bioRxiv, 2022 - biorxiv.org
Graph theory provides a promising technique to investigate Alzheimer's disease (AD)-
related alterations in brain connectivity. However, discrepancies exist in the reported …