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  1. 3641
    “…Fear acquisition and extinction are crucial mechanisms in the etiology and maintenance of anxiety disorders. …”
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    Functional Gene Polymorphisms in the Serotonin System and Traumatic Life Events Modulate the Neural Basis of Fear Acquisition and Extinction
  2. 3642
    “…Patients’ perceived knowledge level, expectations, patient preferences, and fear of side effects of allergy treatment were collected via a self-report questionnaire developed for the purpose of this study. …”
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    Explorative study on patient’s perceived knowledge level, expectations, preferences and fear of side effects for treatment for allergic rhinitis
  3. 3643
    “…In the clinical group we observed a larger P100 and late positive potential (LPP) in response to fearful compared to sad or neutral pictures. There were no differences in these ERPs in the healthy sample. …”
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    Electrophysiological correlates of fearful and sad distraction on target processing in adolescents with attention deficit-hyperactivity symptoms and affective disorders
  4. 3644
    “…BACKGROUND/AIMS: Falls among older people are a major public health problem and may result in fracture, medical complications that require hospitalization, and fear of additional falls. Given the prevalence and impact of the fear of falling again, reducing the incidence of falls is important to prevent additional falls. …”
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    Intensive Exercise Reduces the Fear of Additional Falls in Elderly People: Findings from the Korea Falls Prevention Study
  5. 3645
    “…BACKGROUND: Following fear conditioning (FC), ex vivo evidence suggests that early dynamics of cellular and molecular plasticity in amygdala and hippocampal circuits mediate responses to fear. …”
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    MR Diffusion Tensor Imaging Detects Rapid Microstructural Changes in Amygdala and Hippocampus Following Fear Conditioning in Mice
  6. 3646
    “…More specifically, we examined the potential interaction of COMT genotype and PTSD diagnosis on fear-potentiated startle during fear conditioning and extinction and COMT DNA methylation levels (as determined using genomic DNA isolated from whole blood). …”
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    Differential Genetic and Epigenetic Regulation of catechol-O-methyltransferase is Associated with Impaired Fear Inhibition in Posttraumatic Stress Disorder
  7. 3647
    “…Yet changes of heart rate variability during fear conditioning have not been systematically studied in mice. …”
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    Changes in Heart Rate Variability Are Associated with Expression of Short-Term and Long-Term Contextual and Cued Fear Memories
  8. 3648
    “…Large effects emerged for the level of fear evoked, with experimental groups reporting increased fear arousal in comparison to control groups (r = .64, n = 619, p<.01). …”
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    The Impact of Threat Appeals on Fear Arousal and Driver Behavior: A Meta-Analysis of Experimental Research 1990–2011
  9. 3649
    “…Fear potentiation of the eyeblink startle reflex (FPS) was measured to assess both uninstructed fear acquisition and instructed fear expression. …”
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    Human Fear Acquisition Deficits in Relation to Genetic Variants of the Corticotropin Releasing Hormone Receptor 1 and the Serotonin Transporter
  10. 3650
    “…Despite decades of research, consensus regarding the dynamics of fear appeals remains elusive. A meta-analysis was conducted that was designed to resolve this controversy. …”
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    Threatening communication: a critical re-analysis and a revised meta-analytic test of fear appeal theory
  11. 3651
    “…Here we evaluate the contribution of CGRP signaling in the BNST to the development and expression of learned fear. Rats received five pairings of a 3.7-sec light and footshock and were tested for fear-potentiated startle one or more days later. …”
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    CGRP antagonist infused into the bed nucleus of the stria terminalis impairs the acquisition and expression of context but not discretely cued fear
  12. 3652
    por Ma, Qingguo, Huang, Yujing, Wang, Lei
    Publicado 2013
    “…Fear could be acquired indirectly via social observation. …”
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    Left Prefrontal Activity Reflects the Ability of Vicarious Fear Learning: A Functional Near-Infrared Spectroscopy Study
  13. 3653
    “…Other strong predisposing factors for postpartum depression were fear of childbirth, caesarean birth, nulliparity and major congenital anomaly. …”
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    Fear of childbirth predicts postpartum depression: a population-based analysis of 511 422 singleton births in Finland
  14. 3654
    “…This study was conducted in order to determine the relationship among fear-avoidance beliefs, pain and disability index in patients with low back pain as well as to identify factors having an influence on fear-avoidance beliefs, pain and disability index. …”
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    A study of the relationship among fear-avoidance beliefs, pain and disability index in patients with low back pain
  15. 3655
    “…Key informant interviews revealed that healthcare workers were not deworming pregnant women due to inadequate drug supply, infrastructure and personnel as well as fear of teratogenicity. Focus group discussions showed that healthcare workers similarly had not implemented guidelines due to infrastructure challenges and concerns for fetal malformations. …”
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    Fear of Birth Defects Is a Major Barrier to Soil-Transmitted Helminth Treatment (STH) for Pregnant Women in the Philippines
  16. 3656
    “…RESULTS: In both contextual and tone fear conditioning tests, PERM-treated rats showed a decreased freezing. …”
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    Neonatal exposure to permethrin pesticide causes lifelong fear and spatial learning deficits and alters hippocampal morphology of synapses
  17. 3657
    “…In odor fear conditioning, an odor is presented to the animal and a mild footshock is delivered after a fixed interval. …”
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    Infant rats can learn time intervals before the maturation of the striatum: evidence from odor fear conditioning
  18. 3658
    “…CONCLUSIONS: Direct experimental manipulation of 5-HTT expression levels throughout the brain markedly altered fear learning, amygdala hemodynamic responses, and neuronal oscillations.…”
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    Variation in Serotonin Transporter Expression Modulates Fear-Evoked Hemodynamic Responses and Theta-Frequency Neuronal Oscillations in the Amygdala
  19. 3659
    “…It is well established that fear memory formation requires de novo gene transcription in the amygdala. …”
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    NMDA receptor- and ERK-dependent histone methylation changes in the lateral amygdala bidirectionally regulate fear memory formation
  20. 3660
    “…Here, we compare C57BL/6 and DBA/2 mice using delay fear conditioning, trace fear conditioning, and a nonassociative condition. …”
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    Delay and trace fear conditioning in C57BL/6 and DBA/2 mice: issues of measurement and performance
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