Olfactory bulb-medial prefrontal cortex theta synchronization is associated with anxiety

M Mooziri, A Samii Moghaddam, MA Mirshekar… - Scientific Reports, 2024 - nature.com
Anxiety is among the most fundamental mammalian behaviors. Despite the physiological
and pathological importance, its underlying neural mechanisms remain poorly understood …

Strengthened functional connectivity among LFPs in rat medial prefrontal cortex during anxiety

J Lu, H Dong, X Zheng - Behavioural Brain Research, 2018 - Elsevier
Theta oscillations in medial prefrontal cortex (mPFC) have been consistently implicated in
the regulation of anxiety-related behaviors. However, the theta-band functional connectivity …

The olfactory bulb coordinates the ventral hippocampus–medial prefrontal cortex circuit during spatial working memory performance

M Salimi, F Tabasi, M Nazari, S Ghazvineh… - The Journal of …, 2022 - Springer
Neural oscillations synchronize the activity of brain regions during cognitive functions, such
as spatial working memory. Olfactory bulb (OB) oscillations are ubiquitous rhythms that can …

Neural oscillations in aversively motivated behavior

MS Totty, S Maren - Frontiers in Behavioral Neuroscience, 2022 - frontiersin.org
Fear and anxiety-based disorders are highly debilitating and among the most prevalent
psychiatric disorders. These disorders are associated with abnormal network oscillations in …

Neural dynamics of olfactory perception: low-and high-frequency modulations of local field potential spectra in mice revealed by an oddball stimulus

J Kum, JW Kim, O Braubach, JG Ha, HJ Cho… - Frontiers in …, 2019 - frontiersin.org
Recent brain connectome studies have evidenced distinct and overlapping brain regions
involved in processing olfactory perception. However, neural correlates of hypo-or anosmia …

Breathing modulates network activity in frontal brain regions during anxiety

ALA Dias, D Drieskens, JA Belo, EH Duarte… - Journal of …, 2025 - jneurosci.org
Anxiety elicits various physiological responses, including changes in the respiratory rate and
neuronal activity within specific brain regions such as the medial prefrontal cortex (mPFC) …

The olfactory bulb modulates entorhinal cortex oscillations during spatial working memory

M Salimi, F Tabasi, M Nazari, S Ghazvineh… - The Journal of …, 2021 - Springer
Cognitive functions such as working memory require integrated activity among different
brain regions. Notably, entorhinal cortex (EC) activity is associated with the successful …

Theta oscillations synchronize human medial prefrontal cortex and amygdala during fear learning

S Chen, Z Tan, W Xia, CA Gomes, X Zhang, W Zhou… - Science …, 2021 - science.org
Numerous animal studies have demonstrated that fear acquisition and expression rely on
the coordinated activity of medial prefrontal cortex (mPFC) and amygdala and that theta …

Cortical excitability dynamics during fear processing

VC Chirumamilla, G Gonzalez-Escamilla… - Frontiers in …, 2019 - frontiersin.org
Background: Little is known about the modulation of cortical excitability in the prefrontal
cortex during fear processing in humans. Here, we aimed to transiently modulate and test …

Ventromedial hypothalamus relays chronic stress inputs and exerts bidirectional regulation on anxiety state and related sympathetic activity

J Shao, Y Chen, D Gao, Y Liu, N Hu, L Yin… - Frontiers in Cellular …, 2023 - frontiersin.org
Chronic stress can induce negative emotion states, including anxiety and depression,
leading to sympathetic overactivation and disturbed physiological homeostasis in peripheral …