Results 51 to 60 of about 637,566 (254)

The Neurocircuitry Underlying Additive Effects of Safety Instruction on Extinction Learning

open access: yesFrontiers in Behavioral Neuroscience, 2021
Extinction learning is the dominant laboratory model for exposure therapy, a treatment involving both experience of safety near the feared object, and safety instructions relayed by a therapist.
Arash Javanbakht   +5 more
doaj   +1 more source

On the resistance to extinction of fear conditioned to angry faces [PDF]

open access: yes, 2011
The present study investigated whether, like fear conditioned to pictures of snakes and spiders, fear conditioned to angry faces resists extinction even after verbal instruction and removal of the shock electrode.
Lipp, Ottmar V.   +8 more
core   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

“Smelltronics”—From Gas to Smell Sensing

open access: yesAdvanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono   +7 more
wiley   +1 more source

High ovarian hormones present during fear extinction reduce fear relapse through a nigrostriatal dopamine pathway

open access: yesBiology of Sex Differences
Background Elevated ovarian hormones during fear extinction can enhance fear extinction memory retention and reduce fear renewal, but the mechanisms remain unknown. High levels of ovarian hormones are associated with heightened dopamine (DA) transmission,
Alyssa A. Hohorst   +11 more
doaj   +1 more source

High current anxiety symptoms, but not a past anxiety disorder diagnosis, are associated with impaired fear extinction.

open access: yesFrontiers in Psychology, 2016
Although impaired fear extinction has repeatedly been demonstrated in patients with anxiety disorders, little is known about whether these impairments persist after treatment.
Puck eDuits   +7 more
doaj   +1 more source

A novelty-retrieval-extinction paradigm leads to persistent attenuation of remote fear memories

open access: yesScientific Reports, 2020
Exposure to a novel environment can enhance the extinction of recent contextual fear in mice. This has been explained by a tagging and capture hypothesis.
Fulian Huang   +5 more
doaj   +1 more source

»Hope dies – Action begins« [PDF]

open access: yes, 2019
"Hope dies - action begins" - this is the motto of the new global environmental movement "Extinction Rebellion" (XR). XR wants to make us all aware of finally taking radical measures against the gigantic species extinction and climate catastrophe.
Extinction Rebellion Hannover,
core   +1 more source

Rethinking Charge Transport and Recombination in Donor‐Diluted Organic Solar Cells

open access: yesAdvanced Materials, EarlyView.
Organic solar cells with 1–45% PM6 content in Y12 were studied to link structure and charge dynamics to performance. The conductivity follows a 3D percolation model without a sharp threshold. Donor dilution preserves the photogeneration yield, but limits the fill factor due to transport resistance losses.
Chen Wang   +14 more
wiley   +1 more source

Spectrally Coordinated Plasmonic–Photothermal Photocatalysts for Mineralization of Mixed Indoor VOCs Under White LED Illumination

open access: yesAdvanced Materials, EarlyView.
A plasmonic–photothermal–photocatalytic hybrid comprising Cu(II)‐grafted TiO2, yolk–shell Au@SiO2, and reduced graphene oxide sheets (CuT/AuSi‐GS) harvests full‐spectrum white light‐emitting diode (LED) light via complementary photocatalytic oxidation, localized surface‐plasmon‐resonance‐induced electric‐field enhancement, and photothermal acceleration.
Minhyung Lee   +10 more
wiley   +1 more source

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