Exposure to traumatic events that produce extreme fear and horror is all too common in both
military and civilian populations, but not all individuals develop posttraumatic stress disorder …

In the mnemonic model of posttraumatic stress disorder (PTSD), the current memory of a
negative event, not the event itself, determines symptoms. The model is an alternative to the …

Soluble oligomers of amyloid β-protein (oAβ) isolated from the brains of Alzheimer's disease
(AD) patients have been shown experimentally (in the absence of amyloid plaques) to …

Background: Preclinical considerations suggest that treatment with a β-adrenergic blocker
following an acute psychologically traumatic event may reduce subsequent posttraumatic …

Stress is a potent modulator of learning and memory processes. Although there have been a
few attempts in the literature to explain the diversity of effects (including facilitating …

Memory formation is typically divided into phases associated with encoding, storage,
consolidation, and retrieval. The neural determinants of these phases are thought to differ …

Background: Considering the pivotal role of negative emotional experiences in the
development and persistence of mental disorders, interfering with the consolidation …

Emotional events are bestowed with special prominence in memory. This may reflect greater
attention oriented to these events during encoding, and/or enhancement of memory …

Alzheimer's disease (AD), the most common cause of dementia, is a progressive
neurodegenerative disease. The number of AD cases has been rapidly growing worldwide …

A central question about human brain aging is whether cognitive enrichment slows the
development of Alzheimer changes. Here, we show that prolonged exposure to an enriched …