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Maddox, Stephanie A.; Watts, Casey S.; Schafe, Glenn E. – Learning & Memory, 2013
Modifications in chromatin structure have been widely implicated in memory and cognition, most notably using hippocampal-dependent memory paradigms including object recognition, spatial memory, and contextual fear memory. Relatively little is known, however, about the role of chromatin-modifying enzymes in amygdala-dependent memory formation.…
Descriptors: Fear, Memory, Brain, Classical Conditioning
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Maddox, Stephanie A.; Monsey, Melissa S.; Schafe, Glenn E. – Learning & Memory, 2011
The immediate-early gene early growth response gene-1 (EGR-1, zif-268) has been extensively studied in synaptic plasticity and memory formation in a variety of memory systems. However, a convincing role for EGR-1 in amygdala-dependent memory consolidation processes has yet to emerge. In the present study, we have examined the role of EGR-1 in the…
Descriptors: Classical Conditioning, Short Term Memory, Long Term Memory, Fear
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Ota, Kristie T.; Monsey, Melissa S.; Wu, Melissa S.; Young, Grace J.; Schafe, Glenn E. – Learning & Memory, 2010
We have recently hypothesized that NO-cGMP-PKG signaling in the lateral nucleus of the amygdala (LA) during auditory fear conditioning coordinately regulates ERK-driven transcriptional changes in both auditory thalamic (MGm/PIN) and LA neurons that serve to promote pre- and postsynaptic alterations at thalamo-LA synapses, respectively. In the…
Descriptors: Conditioning, Brain, Fear, Responses
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Schafe, Glenn E.; Swank, Michael W.; Rodriguez, Sarina M.; Debiec, Jacek; Doyere, Valerie – Learning & Memory, 2008
We have previously shown that the extracellular signal-regulated kinase/mitogen-activated protein kinase (ERK/ MAPK) is transiently activated in anatomically restricted regions of the lateral amygdala (LA) following Pavlovian fear conditioning and that blockade of ERK/MAPK activation in the LA impairs both fear memory consolidation and long-term…
Descriptors: Stimulation, Conditioning, Animals, Scientific Research
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Ota, Kristie T.; Pierre, Vicki J.; Ploski, Jonathan E.; Queen, Kaila; Schafe, Glenn E. – Learning & Memory, 2008
Recent studies have shown that nitric oxide (NO) signaling plays a crucial role in memory consolidation of Pavlovian fear conditioning and in synaptic plasticity in the lateral amygdala (LA). In the present experiments, we examined the role of the cGMP-dependent protein kinase (PKG), a downstream effector of NO, in fear memory consolidation and…
Descriptors: Classical Conditioning, Memory, Fear, Brain Hemisphere Functions