Fear Conditioning, Freezing
Conditioned stimulus presentations alter anxiety level in fear-conditioned mice
... auditory fear conditioning was used to induce distinct responses to CS+ and ...For conditioning, after 3-min habituation in the training cage (Coulbourn Instru- ments; context A), mice were subjected ...
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Protein synthesis in the amygdala, but not the auditory thalamus, is required for consolidation of Pavlovian fear conditioning in rats
... tone freezing than rats receiving either saline or H7; context freezing among the groups was not signi®cantly ...auditory fear conditioning, protein kinase-dependent and protein ...
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Dopamine D1 like receptor signalling in the hippocampus and amygdala modulates the acquisition of contextual fear conditioning
... the conditioning context and another separate context after learning, suggesting that they show generalization of con- textual ...contextual fear generalization, although this could be investigated in the ...
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Behavioral and Neurobiological Assessments of Predator Based Fear Conditioning and Extinction
... contextual fear condi- ...less freezing in the conditioned context, yet the lesions did not significantly impair trace auditory cue ...contextual fear conditioned memory [24] [25] ...
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The Regulation of Gene Expression During Memory Consolidation in the Hippocampus
... Contextual fear conditioning is a behavior that allows for dissection of particular phases of memory in the hippocampus due to the temporal resolution of using only one brief training session [3, ...
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Identification of a neuronal population in the telencephalon essential for fear conditioning in zebrafish
... Skin extracts were prepared fresh and kept on ice on the day of use [30]. Adult fish (> 3 months old) were anes- thetized in Tricaine (0.025%) and quickly sacrificed by decapitation. Excess water was removed from the ...
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Induction- and conditioning-protocol dependent involvement of NR2B-containing NMDA receptors in synaptic potentiation and contextual fear memory in the hippocampal CA1 region of rats
... Fear conditioning was performed in a plexiglas condition- ing chamber with a metal grid floor (San Diego Instru- ments, ...monitor freezing behavior of ...Two conditioning protocols were ...
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Innate or learned acoustic recognition of avian predators in rodents?
... in freezing behavior or vigilant rearing during or after exposure to predator bird calls compared with exposure to non-predator bird ...support freezing as a defensive behavior (Blanchard and Blanchard, ...
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Enhanced neuroinflammation mediated by DNA methylation of the glucocorticoid receptor triggers cognitive dysfunction after sevoflurane anesthesia in adult rats subjected to maternal separation during the neonatal period
... Fear conditioning experiments were performed in an acrylic conditioning chamber with a grid floor composed of 19 stainless steel ...tone. Freezing time during this period was recorded as a ...
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Baclofen acts in the central amygdala to reduce synaptic transmission and impair context fear conditioning
... the freezing behaviour for each rat was measured by an observer who was blind to the experimental conditions and group ...‘not freezing’. A percentage freezing score was then calculated by dividing ...
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Hippocampal function is not required for the precision of remote place memory
... with fear masks the actual precision of place ...contextual fear conditioning mice showed the freezing responses even for unconditioned place in recent memory test (Figure 3B) ...
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Analyses of fear memory in Arc/Arg3 1 deficient mice: intact short term memory and impaired long term and remote memory
... Classical fear conditioning consists of a conditioning phase, a context test, and an auditory cued ...of freezing than did wild-type mice in the context ...of freezing frequency was ...
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PGE2-EP3 signaling exacerbates hippocampus-dependent cognitive impairment after laparotomy by reducing expression levels of hippocampal synaptic plasticity-related proteins in aged mice.
... the fear conditioning test, no significant differences were found in the pre-tone and tone freezing time between two groups ...contextual freezing time was significantly increased in ...
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Contextual Fear Extinction and Re Extinction in Carioca High and Low Conditioned Freezing Rats
... conditioned freezing in response to contextual cues associated with ...initial fear conditioning, indicating strong formation of the long-term memory of contextual fear ...contextual ...
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α2 adrenoceptor mediated inhibition in the central amygdala blocks fear conditioning
... conditioned fear in ...of freezing (an index of conditioned fear) in the ...of freezing responses to the context, but impaired the retention of these responses over time ...Across ...
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A Transient Fear Reduction by Pair Exposure with a Non Fearful Partner during Fear Extinction Independent from Corticosterone Level in Mice
... Cued fear conditioning involves the pairing of a neutral stimulus (conditioned stimulus, CS), such as a tone with an aversive stimulus (unconditioned stimulus, US) such as an electrical ...conditioned ...
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Disruption of Foxg1 impairs neural plasticity leading to social and cognitive behavioral defects
... cued fear conditioning ...decreased freezing time compared with WT mice, indicating that fear learn- ing was impaired ...The freezing time in both the contextual and cued condition- ing ...
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Catching the engram: strategies to examine the memory trace
... were fear conditioned in context B (CtxB) and injected with CNO to activate neurons that express hM3Dq and recapitulate the neuronal activity pattern that was present during the earlier exposure to ...were ...
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Genes and signaling pathways involved in memory enhancement in mutant mice
... As discussed above, even if LTP is enhanced by a muta- tion, the same genetic manipulation could cause ab- normalities in other cellular processes required for normal learning and memory, which makes it more dif- ficult ...
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Brain transcriptome profiles in mouse model simulating features of post-traumatic stress disorder
... in fear memory recall for reconsolidation and up- dating acquired memories in neuronal plasticity ...tioned fear paradigm of mice, fear memory extinction is shown to be more effective in a ...
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