Mostrando 2,841 - 2,860 Resultados de 29,989 Para Buscar '"fear"', tiempo de consulta: 0.19s Limitar resultados
  1. 2841
    “…Stress-enhanced fear learning (SEFL) also uses an acute (single session) stressor for modeling PTSD in rodents. …”
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  2. 2842
    “…Using a viral-based TRAP (targeted recombination in activated populations) approach, we studied whether consolidation of contextual fear memory by neurons in the medial prefrontal cortex (mPFC) is modulated by memory strength and CREB function. …”
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  3. 2843
    “…To reveal whether and how 5-HTT gene variance affects fear-driven behavior in adolescence, we tested wildtype and serotonin transporter knockout (5-HTT(−/−)) rats of preadolescent, adolescent, and adult age for cued fear extinction and extinction recall. …”
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  4. 2844
    “…Previous studies have indicated that while a single weak fear conditioning trial is insufficient to support long-term memory (LTM), it can facilitate future learning such that another trial delivered within a protracted time window results in a robust memory. …”
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  5. 2845
    “…RATIONALE: Dopamine D1 receptor (D1R) signalling is involved in contextual fear conditioning. The D1R antagonist SCH23390 impairs the acquisition of contextual fear when administered systemically or infused locally into the dorsal hippocampus or basolateral amygdala. …”
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  6. 2846
    “…Recent work reveals that the extinction of conditioned fear depends upon the interval between conditioning and extinction. …”
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  7. 2847
    “…Using behavioral pharmacology and optogenetics, we investigated the role of OB ACh in a simple olfactory fear learning paradigm. We find that antagonizing muscarinic ACh receptors (mAChRs) in the OB during fear conditioning but not testing significantly reduces freezing to the conditioned odor, without altering olfactory abilities. …”
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  8. 2848
    “…Although it is an adaptive mechanism that danger usually elicits fear, it seems that fearful individuals overestimate the danger associated with their feared objects or situations. …”
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  9. 2849
    “…Background: Δ9-Tetrahydrocannabinol (THC, a CB1 receptor agonist) and Cannabidiol (CBD, a non-competitive antagonist of endogenous CB1 and CB2 ligands) are two primary components of Cannabis species, and may modulate fear learning in mammals. The CB1 receptor is widely distributed throughout the cortex and some limbic regions typically associated with fear learning. …”
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  10. 2850
    “…METHODS: Demographic and clinical characteristics including the Fear of Falling Measure (FFM) were assessed in patients with de novo PD and in healthy subjects. …”
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  11. 2851
    “…Fear of falling (FOF) is common among older people and can result in activity avoidance and decreased physical functioning. …”
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  12. 2852
    “…OBJECTIVE: Exposure based large-group one-session treatments (LG-OSTs) proved feasible in different situational fears and showed promising short- and long-term outcomes. …”
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  13. 2853
  14. 2854
    “…Furthermore, BA + BE, but not BA or BE alone, attenuated the reconsolidation of learned fear and exerted an anxiolytic-like effect on fear expression.…”
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  15. 2855
    “…The insular cortex (IC), among other brain regions, becomes active when humans experience fear or anxiety. However, few experimental studies in rats have implicated the IC in threat responses. …”
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  16. 2856
    por Can, Gurhan, Satici, Seydi Ahmet
    Publicado 2019
    “…BACKGROUND: The aim of this study is to examine psychometric properties of the Turkish version of the fear of missing out scale (FoMOs) on three different study groups. …”
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  17. 2857
    “…Furthermore, Pcdhβ-deficient mice exhibited reduced repetitive neuronal population activity during exploration of a novel context and were less able to discriminate contexts in a contextual fear conditioning paradigm. These results suggest that one function of Pcdhβs is to modulate neural ensemble activity in the hippocampus to promote context discrimination.…”
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  18. 2858
    “…Fear extinction is an active learning process whereby previously established conditioned responses to a conditioned stimulus are suppressed. …”
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  19. 2859
    “…Instructions given prior to extinction training facilitate the extinction of conditioned skin conductance (SCRs) and fear-potentiated startle responses (FPSs) and serve as laboratory models for cognitive interventions implemented in exposure-based treatments of pathological anxiety. …”
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  20. 2860
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