نتایج جستجو برای: place avoidance learning
تعداد نتایج: 818321 فیلتر نتایج به سال:
abstract introduction: diabetes mellitus accompanies with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. considering the beneficial antidiabetic potential of apium graveolens (ag ), this research study was conducted to evaluate the effect of chronic i.p. administration of ag on learning and memory in diabetic rats using passive avoidance ...
Approach-avoidance behaviours play a major role in the development and maintenance of anxiety disorders as repeated avoidance are assumed to prevent fear extinction. decisions (Conditioned Stimulus (CS)-avoidance Unconditioned (US)-avoidance) their effect on extinction renewal were investigated using novel Virtual Reality conditioning procedure that included costs relevant real-life settings (i...
A bilateral ablation of the frontal cortex was performed in rats before and after training in an active avoidance task in a shuttle box. Animals with this lesion showed an impairment in learning and in the reversal of the avoidance task. If the animals with the lesion were implanted with an electrode in the ventral tegmental nucleus and received an electrical stimulation in this area contingent...
Introduction: The role of serotonergic fibers in avoidance learning is controversial. Involvement of the dorsal raphe nucleus (DRN), the main source of hippocampal projecting serotonergic fibers in acquisition, consolidation and retrieval of passive avoidance (PA) learning, was investigated by functional suppression of this area. Materials and Methods: DRN functional inactivation was done by li...
Definition Learning to avoid aversive outcomes is crucial for survival, and it is ubiquitous in everyday life. This entry focuses on ▶ active avoidance, in which performing a certain behavior prevents an aversive outcome that would otherwise occur. ▶Avoidance learning in that context consists of learning to perform the appropriate behaviors in the appropriate circumstances to prevent aversive o...
The highlight for November is from Dr. Linda Parker from Wilfrid Laurier University in Waterloo, Ontario, Canada. For over 30 years, Dr. Parker and her colleagues have provided a systematic and comprehensive analysis of the basis of conditioned taste aversion learning. Beginning with her published account of the differences between the conditioned aversions elicited by amphetamine and LiCl-pair...
BACKGROUND AND OBJECTIVES Conditioned fear may emerge in the absence of directly experienced conditioned stimulus (CS)--unconditioned stimulus (US) pairings. Here, we compared three pathways by which avoidance of the US may be acquired both directly (i.e., through trial-and-error instrumental learning) and indirectly (i.e., via verbal instructions and social observation). METHODS Following fe...
abstractdeveloping self-regulated learners has been the life-long ambition of different stakeholders in education. this study was set out to find the relationships between self-regulated strategies as defined by time and resource management, cognitive and metacognitive strategies, achievement goals classified as mastery, performance-approach and performance-avoidance, and the listening achievem...
High levels of emotional arousal can impair spatial memory mediated by the hippocampus, and enhance stimulus-response (S-R) habit memory mediated by the dorsolateral striatum (DLS). The present study was conducted to determine whether these memory systems may be similarly affected in an animal model of post-traumatic stress disorder (PTSD). Sprague-Dawley rats were subjected to a "single-prolon...
Biogenic amines are widely characterized in pathways evaluating reward and punishment, resulting in appropriate aversive or appetitive responses of vertebrates and invertebrates. We utilized the honey bee model and a newly developed spatial avoidance conditioning assay to probe effects of biogenic amines octopamine (OA) and dopamine (DA) on avoidance learning. In this new protocol non-harnessed...
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