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An Inescapable Cat Odor Exposure Protocol for Studying Innate and Contextual Threat Conditioning in Rats
(2021)
Animals respond to threatening situations by exhibiting a number of defensive behaviors, including avoidance, freezing, and risk assessment. An animal model with an ethological approach offers a deeper insight into the ...
Interoceptive Insular Cortex Mediates Both Innate Fear and Contextual Threat Conditioning to Predator Odor
(2019)
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. We have recently reported ...
New Perspectives on beta-Adrenergic Mediation of Innate and Learned Fear Responses to Predator Odor
(SOC NEUROSCIENCE, 2008)
In the present study, we investigated the role of noradrenergic transmission in unconditioned and conditioned responses to predatory threats. First, we examined the effects of systemically injected beta-blockers on ...
Sensing danger through the olfactory system: The role of the hypothalamic dorsal premammillary nucleus
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
The dorsal premammillary nucleus (PMd) has a critical role on the expression of defensive responses to predator odor. Anatomical evidence suggests that the PMd should also modulate memory processing through a projecting ...
Prenatal LPS exposure reduces olfactory perception in neonatal and adult rats
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)
Prenatal lipopolysaccharide (LPS) exposure causes reproductive, behavioral and neurochemical defects in both dams and pups. The present study evaluated male rats prenatally treated with LPS for behavioral and neurological ...
The periaqueductal gray and its potential role in maternal behavior inhibition in response to predatory threats
(ELSEVIER SCIENCE BV, 2010)
Animals faced with conflicting cues, such as predatory threat and a given rewarding stimulus, must make rapid decisions to engage in defensive versus other appetitive behaviors. The brain mechanisms mediating such responses ...
Source Odor, Intensity, and Exposure Pattern Affect Antipredatory Responses in the Subterranean Rodent Ctenomys talarum
(Wiley Blackwell Publishing, Inc, 2016-12)
Predation is a strong selective force, and prey species may show specific adaptations that allow recognition, avoidance, and defense against predators. Facing a situation of predatory risk, anxiety constitutes a reaction ...
Interoceptive Insular Cortex Mediates Both Innate Fear and Contextual Threat Conditioning to Predator Odor
(FRONTIERS MEDIA SA, 2020)
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. We have recently reported ...