Results 11 to 20 of about 50,736 (309)

Behavioral Expression of Contextual Fear in Male and Female Rats

open access: yesFrontiers in Behavioral Neuroscience, 2021
The study of fear conditioning has led to a better understanding of fear and anxiety-based disorders such as post-traumatic stress disorder (PTSD). Despite the fact many of these disorders are more common in women than in men, the vast majority of work ...
Amanda S. Russo, Ryan G. Parsons
doaj   +1 more source

Extinction in Human Fear Conditioning [PDF]

open access: yesBiological Psychiatry, 2006
Although most extinction research is conducted in animal laboratories, the study of extinction learning in human fear conditioning has gained increasing attention over the last decade. The most important findings from human fear extinction are reviewed in this article.
Hermans, Dirk   +3 more
openaire   +3 more sources

Multiple factors contribute to flight behaviors during fear conditioning

open access: yesScientific Reports, 2023
Shifting defensive mode from one to another by the imminence of threat is crucial for survival. The transition of defensive mode from freezing to flight is observed during the modified fear conditioning, however, the flight during fear conditioning is ...
Takafumi Furuyama   +7 more
doaj   +1 more source

Reversible plasticity of fear memory-encoding amygdala synaptic circuits even after fear memory consolidation. [PDF]

open access: yesPLoS ONE, 2011
It is generally believed that after memory consolidation, memory-encoding synaptic circuits are persistently modified and become less plastic. This, however, may hinder the remaining capacity of information storage in a given neural circuit.
Ingie Hong   +14 more
doaj   +1 more source

Enhanced Instructed Fear Learning in Delusion-Proneness

open access: yesFrontiers in Psychology, 2022
Psychosis is associated with distorted perceptions and deficient bottom-up learning such as classical fear conditioning. This has been interpreted as reflecting imprecise priors in low-level predictive coding systems. Paradoxically, overly strong beliefs,
Anaïs Louzolo   +7 more
doaj   +1 more source

Prior observation of fear learning enhances subsequent self-experienced fear learning with an overlapping neuronal ensemble in the dorsal hippocampus

open access: yesMolecular Brain, 2019
Information from direct experience and observation of others is integrated in the brain to enable appropriate responses to environmental stimuli. Fear memory can be acquired by observing a conspecific’s distress.
Hiroshi Nomura   +4 more
doaj   +1 more source

Fear conditioning- and extinction-induced neuronal plasticity in the mouse amygdala [PDF]

open access: yes, 2009
Experience-dependent changes in behavior are mediated by long-term functional modifications in brain circuits. To study the underlying mechanisms, our lab is using classical auditory fear conditioning, a simple and robust form of associative learning. In
Ciocchi, Stéphane
core   +1 more source

Fear memory formation can affect a different memory: fear conditioning affects the extinction, but not retrieval, of conditioned taste aversion (CTA) memory

open access: yesFrontiers in Behavioral Neuroscience, 2014
The formation of fear memory to a specific stimulus leads to subsequent fearful response to that stimulus. However, it is not known whether the formation of fear memory can affect other memories.
Gil eJoels, Raphael eLamprecht
doaj   +1 more source

Differential activation of anatomically defined neuronal subpopulations in the amygdala during fear conditioning and extinction [PDF]

open access: yes, 2009
The amygdala is a key structure of the neuronal circuitry mediating expression and extinction of conditioned fear. However, fear memories are thought to be encoded in a larger network comprising the medial prefrontal cortex (mPFC) and the ...
Senn, Verena
core   +1 more source

Generalization gradients for fear and disgust in human associative learning

open access: yesScientific Reports, 2021
Previous research indicates that excessive fear is a critical feature in anxiety disorders; however, recent studies suggest that disgust may also contribute to the etiology and maintenance of some anxiety disorders.
Jinxia Wang   +4 more
doaj   +1 more source

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