Exemplos de uso de Conditioned fear em Inglês e suas traduções para o Português
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The hippocampus also plays a key role in this conditioned fear circuit.
Acquisition and expression of conditioned fear did not differ between participants with different genetic variants of the cannabinoid-1 receptor.
The hippocampus, amygdala, andprefrontal cortex are structures related to the acquisition and expression of conditioned fear.
Patients who have suffered lesions to this region are unable to develop conditioned fear responses, though they have normal reactions to fear in other situations.
Therefore, it was postulated that exposure to the frightening stimulus would lead to habituation in other words,the extinction of the putatively conditioned fear response.
For the analysis of conditioned fear used the inhibitory avoidance tests(ia), dodging broken(labyrinth in modified high cross) and conditioned emotional response rec.
It is important to note that the type of fear explored in this study- conditioned fear of a painful shock- is very specific.
The current understanding of the anatomy of the fear network has been gathered from preclinical studies identifying the brain pathways that promote the acquisition and maintenance of conditioned fear.
The sensory input for the conditioned fear stimulus runs through the anterior thalamus to the lateral nucleus of the amygdala, thence to the CNA, where all the information is gathered and the autonomic and behavioral responses are coordinated.
Abstract gaiardo, r.b. neuromodulatory properties of standardized ginkgo biloba extract on the acquisition of conditioned fear: proteomics analysis, 2014.
Recent studies analyzing the neurobiology of conditioned fear responses have employed a model of panic disorder that attempts to integrate neurochemical, neuroimaging and treatment findings with mostly preclinical data.
The memory behavioral parameters were evaluated by the task of object recognition,y-maze spontaneous alternation task and conditioned fear task in adulthood.
The conditioned fear involves the frontal medial cortex and the central and basolateral nuclei of the amygdala, when the fear of predator(unconditioned) involves the medial nucleus of the amygdala and the nuclei of the medial hypothalamus.
A recent model of PD attempts to integrate neurochemical, imaging, and treatment findings, coupled with mostly preclinical work,in the neurobiology of conditioned fear responses.
The sensory input for the conditioned fear stimulus runs through the anterior thalamus to the lateral nucleus of the amygdala, then to the central nucleus of the amygdala, where all the information is gathered and the autonomic and behavioral responses are coordinated.
This study aimed to identify the secondary metabolites of the crude extract of erythrina falcata(ec) andthe analysis of the effect of these substances in the acquisition and extinction of conditioned fear.
These results suggest that although a dysfunction in the ability to extinguish a conditioned fear may not be present in OCD, the sensory gating alterations produced by conditioning do not go back to normal with extinction, as is the case in healthy subjects.
In panic disorder, one small study n 39 panic disorder patients and33 healthy subjects has found a pattern suggestive of resistance to extinction of the conditioned fear in patients compared to controls.
Exposure therapy was designed based on the observation that a conditioned fear response could be extinguished with the repeated presentation of the conditioned stimulus not followed by the innately aversive stimulus also explained in the Electrophysiology section.
In SAD, on the other hand, one study n 20 SAD patients and18 healthy subjects has found that patients responded with fear to aversive facial expressions and showed conditioned fear to stimulus paired with the aversive facial expressions while in controls, such phenomena were not observed.
As mentioned earlier,the learning of the conditioned fear response as well as that of extinction is associated with the activation of the amygdala among other brain regions, whereas the ability to recall extinction involves the activation of the medial prefrontal cortex.
Convergent data from animal models andhuman studies indicate that the amygdala plays a central role in threat appraisal and expression of conditioned fear responses, in which exacerbated amygdala activation leads to inappropriate or excessive fear manifestation.
John B. Watson, a renowned name of behaviorism, describes an example,quoted in many books in psychology, of conditioned fear of a goldfish in an infant and a way of unconditioning of the fear by what is called now graduated exposure therapy: In contrast, radical exposure therapy was used successfully to cure a man with a"life affecting" fish phobia on the 2007 documentary series,"The Panic Room.
To date, the fear network has been investigated in preclinical studies that have identified the brain pathways that promote the acquisition and maintenance of conditioned fear. The amygdala and its brain stem projections, the hippocampus, and the medial prefrontal cortex operate in this network.
The aims of the present study were to investigated(i)the influence of gcs on the expression of contextual conditioned fear(freezing response) and its effects in the activity of the mpfc in male wistar rats,(ii) the role of mr and gr in the prelimbic cortex(prl) on expression of conditioned fear and(iii) the interaction between the mechanisms mediated by the gcs and the glut s, via nmda receptors on the expression of this behavior.
John B. Watson, a renowned name in behaviorism, describes an example,quoted in many books in psychology, of conditioned fear of a goldfish in an infant and a way of unconditioning of the fear by what is now called graduated exposure therapy: Try another method.
Therefore, variability in skin conductance andheart rate are commonly used as methods to estimate the magnitude of the fear conditioned response.
Some of you have been poisoned by fear, conditioned to mistrust, and that's understandable, given that we live in a world where our friends look like enemies.
Morality is not born of fear, conditioned by circumstances.
You are human beings,not to be conditioned by fear.