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Interoceptive Insular Cortex Mediates Both Innate Fear and Contextual Threat Conditioning to Predator Odor

open access: yesFrontiers in Behavioral Neuroscience, 2020
The insular cortex (IC), among other brain regions, becomes active when humans experience fear or anxiety. However, few experimental studies in rats have implicated the IC in threat responses.
María Rodríguez   +6 more
doaj   +1 more source

Freezing as a Path to Build Complex Composites [PDF]

open access: yesScience, 2006
Materials that are strong, ultralightweight, and tough are in demand for a range of applications, requiring architectures and components carefully designed from the micrometer down to the nanometer scale. Nacre, a structure found in many molluscan shells,
S. Deville, E. Saiz, R. Nalla, A. Tomsia
semanticscholar   +1 more source

Individual Differences in Conditioned Fear and Extinction in Female Rats

open access: yesFrontiers in Behavioral Neuroscience, 2021
The inability to extinguish a traumatic memory is a key aspect of post-traumatic stress disorder (PTSD). While PTSD affects 10–20% of individuals who experience a trauma, women are particularly susceptible to developing the disorder. Despite this notable
Sarah C. Tryon   +5 more
doaj   +1 more source

Freeze for action: neurobiological mechanisms in animal and human freezing

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2017
Upon increasing levels of threat, animals activate qualitatively different defensive modes, including freezing and active fight-or-flight reactions. Whereas freezing is a form of behavioural inhibition accompanied by parasympathetically dominated heart ...
K. Roelofs
semanticscholar   +1 more source

Clinical indicators of gait freezing in Parkinson’s disease [PDF]

open access: yesThe Moldovan Medical Journal, 2020
Background: Freezing of gait is a common (FOG) episodic gait disorder in advanced Parkinson’s disease (PD). FOG is one of the main risk factors for falls; therefore FOG’s consequences can be devastating.
Olga Gavriliuc   +2 more
doaj   +1 more source

Freezing hope: Balancing realism and optimism in elective egg freezing

open access: yesAnnals, Academy of Medicine, Singapore
The 2022 White Paper on Singapore Women’s Development, which aimed at a fair and inclusive society where both women and men can pursue their aspirations fully, announced the option for elective egg freezing (EEF) and that the age limit for EEF was ...
Hui Men Selina Chin, Hemashree Rajesh
doaj   +1 more source

A Case of Apparent Upper-Body Freezing in Parkinsonism while Using a Wheelchair

open access: yesFrontiers in Neurology, 2017
Freezing of gait (FOG) is a common, disabling gait disturbance in Parkinson’s disease (PD) and other Parkinsonian syndromes. Freezing also occurs during non-gait movements involving the upper limbs.
Samuel T. Nemanich   +10 more
doaj   +1 more source

Cascade Freezing of Supercooled Water Droplet Collectives

open access: yes, 2018
Surface icing affects the safety and performance of numerous processes in technology. Previous studies mostly investigated freezing of individual droplets.
Dolder, Valentin   +3 more
core   +10 more sources

Clinical and methodological challenges for assessing freezing of gait: Future perspectives

open access: yesMovement Disorders, 2019
Freezing of gait, defined as sudden and usually brief episodes of inability to produce effective stepping, often results in falls and is both disabling and common in parkinsonism.
M. Mancini   +5 more
semanticscholar   +1 more source

Freezing Fraction in Freezing Rain [PDF]

open access: yesWeather and Forecasting, 2022
Abstract Freezing rain can cause significant tree damage with fallen trees and branches blocking roads and taking power distribution lines out of service. Power transmission lines are designed for ice loads from freezing rain, using models to estimate equivalent radial ice thicknesses from historical weather data.
openaire   +2 more sources

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