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Dissection of a sensorimotor circuit underlying pathogen aversion in C. elegans
BackgroundAltering animal behavior to reduce pathogen exposure is a key line of defense against pathogen attack. In Caenorhabditis elegans ,...
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Uncertainty aversion predicts the neural expansion of semantic representations
Correctly identifying the meaning of a stimulus requires activating the appropriate semantic representation among many alternatives. One way to...
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Effects of predator associative learning and innate aversion on mimicry complexes
Undefended or weakly defended prey species can evolve to resemble better-defended prey (models) in a potentially parasitic relationship called...
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Visual snake aversion in Octodon degus and C57BL/6 mice
Phobia against spiders or snakes is common in humans, and similar phobia-like behaviors have been observed in non-human animals. Visual images of...
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Irrational risk aversion in an ant
Animals must often decide between exploiting safe options or risky options with a chance for large gains. Both proximate theories based on perceptual...
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Capuchins (Sapajus apella) and their Aversion to Inequity
Humans have a strong sense of fairness and are usually averse to unequal treatment for the same action. Ever since Brosnan and de Waal showed a...
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Comparing experience- and description-based economic preferences across 11 countries
Recent evidence indicates that reward value encoding in humans is highly context dependent, leading to suboptimal decisions in some cases, but...
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Association between visual cues and time of day in an ant
On the basis of what is known about the biology and the cognitive abilities of the workers of the ant Myrmica sabuleti studied at a collective level,...
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Toxic stress-specific cytoprotective responses regulate learned behavioral decisions in C. elegans
BackgroundRecognition of stress and mobilization of adequate “fight-or-flight” responses is key for survival and health. Previous studies have shown...
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Latent motives guide structure learning during adaptive social choice
Predicting the behaviour of others is an essential part of social cognition. Despite its ubiquity, social prediction poses a poorly understood...
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Stress deficits in reward behaviour are associated with and replicated by dysregulated amygdala-nucleus accumbens pathway function in mice
Reduced reward interest/learning and reward-to-effort valuation are distinct, common symptoms in neuropsychiatric disorders for which chronic stress...
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Investigating the interactions between multiple memory stores in the pond snail Lymnaea stagnalis
The pond snail Lymnaea stagnalis exhibits various forms of associative learning including (1) operant conditioning of aerial respiration where snails...
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Adrenergic signalling to astrocytes in anterior cingulate cortex contributes to pain-related aversive memory in rats
Pain contains both sensory and affective dimensions. We identify the role of norepinephrine in colorectal distention (sub-threshold for acute pain)...
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Ants’ capability of associating odors with time periods of the day
The mental association of perceived signals is a characteristic held by animals. Here, we examine whether Myrmica sabuleti , an ant belonging to a...
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Does urbanization affect behavioral responses to novel objects in marine birds? The Olrog’s Gull as a case of study
Animals have to face different challenges related to the rapid expansion of urbanization in their environments, so being behaviorally flexible will...
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Aversion learning in response to an invasive venomous prey depends on stimulus strength
Learned avoidance can allow animals to survive the introduction of noxious prey. The effectiveness of aversion learning can depend on the intensity...
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Five-minute exposure to a novel appetitive food substance is sufficient time for a microRNA-dependent long-term memory to form
The Garcia effect is a unique form of conditioned taste aversion which requires that a novel food stimulus be followed sometime later by a sickness...
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Peculiarities of Fear Memory Extinction in Male and Female Disc1-Q31L Mice
AbstractDepressive disorders are common psychopathologies highly comorbid with other mental diseases, especially post-traumatic stress disorder, with...
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Larval exposure to azadirachtin induced locomotor deficits, and impairs olfactory and gustatory preference in adults of Drosophila melanogaster (Diptera: Drosophilidae)
Azadirachtin, a tetranortriterpenoid botanical insecticide, has a variety of sub-lethal effects against many insect pests, including insect fitness,...
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Conditioned food aversion mediated by odour cue and microencapsulated levamisole to avoid predation by canids
Worldwide, predators and humans are in conflict for resources such as game species or livestock, especially in the case of wild canids. One...
