Stress, memory and the amygdala

B Roozendaal, BS McEwen, S Chattarji - Nature Reviews …, 2009 - nature.com
Emotionally significant experiences tend to be well remembered, and the amygdala has a
pivotal role in this process. But the efficient encoding of emotional memories can become …

Recovery after chronic stress fails to reverse amygdaloid neuronal hypertrophy and enhanced anxiety-like behavior

A Vyas, AG Pillai, S Chattarji - Neuroscience, 2004 - Elsevier
The hippocampus and amygdala are important components of the neural circuitry mediating
stress responses. While structural plasticity in the hippocampus may mediate cognitive …

The amygdala: contributions to fear and stress

JE LeDoux - Seminars in Neuroscience, 1994 - Elsevier
Recent studies have identified major components of the neural system mediating the
classical conditioning of defense or fear responses to sensory stimuli. The pathways involve …

Stress enhances fear by forming new synapses with greater capacity for long-term potentiation in the amygdala

A Suvrathan, S Bennur, S Ghosh… - … of the Royal …, 2014 - royalsocietypublishing.org
Prolonged and severe stress leads to cognitive deficits, but facilitates emotional behaviour.
Little is known about the synaptic basis for this contrast. Here, we report that in rats …

Amygdala modulation of memory-related processes in the hippocampus: potential relevance to PTSD

MM Tsoory, RM Vouimba, I Akirav… - Progress in brain …, 2007 - Elsevier
A key assumption in the study of stress-induced cognitive and neurobiological modifications
is that alterations in hippocampal functioning after stress are due to an excessive activity …

[HTML][HTML] Amygdala circuit substrates for stress adaptation and adversity

WH Zhang, JY Zhang, A Holmes, BX Pan - Biological psychiatry, 2021 - Elsevier
Brain systems that promote the maintenance of homeostasis in face of stress have
significant adaptive value. A growing body of work across species demonstrates a critical …

Chronic stress causes amygdala hyperexcitability in rodents

JA Rosenkranz, ER Venheim, M Padival - Biological psychiatry, 2010 - Elsevier
BACKGROUND: Chronic stress is a major health concern, often leading to depression,
anxiety, or when severe enough, posttraumatic stress disorder. While many studies …

Human vulnerability to stress depends on amygdala's predisposition and hippocampal plasticity

R Admon, G Lubin, O Stern… - Proceedings of the …, 2009 - National Acad Sciences
Variations in people's vulnerability to stressful life events may rise from a predated neural
sensitivity as well as from differential neural modifications in response to the event. Because …

How the amygdala affects emotional memory by altering brain network properties

EJ Hermans, FP Battaglia, P Atsak, LD de Voogd… - Neurobiology of learning …, 2014 - Elsevier
The amygdala has long been known to play a key role in supporting memory for emotionally
arousing experiences. For example, classical fear conditioning depends on neural plasticity …

From specificity to sensitivity: how acute stress affects amygdala processing of biologically salient stimuli

HJF Van Marle, EJ Hermans, S Qin, G Fernández - Biological psychiatry, 2009 - Elsevier
BACKGROUND: A vital component of an organism's response to acute stress is a surge in
vigilance that serves to optimize the detection and assessment of threats to its homeostasis …