نتایج جستجو برای: fear
تعداد نتایج: 44215 فیلتر نتایج به سال:
Pavlovian fear conditioning, also known as classical fear conditioning is an important model in the study of the neurobiology of normal and pathological fear. Progress in the neurobiology of Pavlovian fear also enhances our understanding of disorders such as posttraumatic stress disorder (PTSD) and with developing effective treatment strategies. Here we describe how Pavlovian fear conditioning ...
Many patients fear about neurological disorders because of mistrust to their judgments. Reality is that neurological system is one of the simplest systems, but unfortunately we discuss about it in a form that induce fear to people. Suppose that an old person hospitalized for cerebro-vascular accident (CVA) and increased intracranial pressure (ICP). Results of your assessment can increase patien...
Fear inhibition learning induces plasticity and remodeling of circuits within the amygdala. Most studies examine these changes in nondiscriminative fear conditioning paradigms. Using a discriminative fear, safety, and reward conditioning task, Sangha et al. (2013) have previously reported several neural microcircuits within the basal amygdala (BA) which discriminate among these cues, including ...
BACKGROUND Childbirth fear is reported to affect around 20% of women. However reporting on levels of symptom severity vary. Unlike Scandinavian countries, there has been limited focus on childbirth fear in Australia. The aim of this paper is to determine the prevalence of low, moderate, high and severe levels of childbirth fear in a large representative sample of pregnant women drawn from a lar...
Relapses represent a major limitation to the long-term remission of pathological fear and anxiety. Stress modulates the acquisition and expression of fear memories and appears to promote fear recovery in patients with anxiety disorders. However, the neural correlates underlying stress hormone effects on the return of fear in humans remain unexplored. Likewise, little is known about the interact...
CONTEXT A sports injury has both physical and psychological consequences for the athlete. A common postinjury psychological response is elevated fear of reinjury. OBJECTIVE To provide an overview of the implications of fear of reinjury on the rehabilitation of athletes, including clinical methods to measure fear of reinjury; the impact of fear of reinjury on rehabilitation outcomes, including...
this article aims to sociological explain of fear of crime in the province of hamedan. at the regional level the cities are the unit of analysis and we have tried to explain the fear of crime in these cities with emphasis on the level of development. independent variables included in the micro-level social disorganization, social capital and social control. the population consists of all heads ...
People can speak, and this provides opportunities to analyze human emotions using perceived experiences communicated via language, as well as through measurement and imaging techniques that are also applicable to other higher animal species. Here I compare four qualitative methodological approaches to test if, and how, thrill depends on fear. I use eight high-risk, high-skill, real-life outdoor...
The role of amygdala glutamate receptors in fear learning, fear-potentiated startle, and extinction.
Using a paradigm known as fear-potentiated startle, we have examined the neurobiological substrates of Pavlovian fear conditioning. In these experiments, rats are trained to fear an initially neutral stimulus by pairing that stimulus with shock. The amount of fear elicited by the stimulus [i.e., now a conditioned stimulus (CS)] is later assessed by presenting startle-eliciting noise bursts both...
BACKGROUND AND OBJECTIVES Exposure therapy for anxiety involves confronting a patient with fear-evoking stimuli, a procedure based partially on Pavlovian extinction. Exposure and other extinction-based therapies usually lead to (partial) reduction of fear symptoms, but a substantial number of patients experience a return of fear after treatment. Here we tested whether the combination of fear ex...
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