منابع مشابه
Stress Brings Memories to the Fore
A common feature of post-traumatic stress disorder and various mood and anxiety disorders is the formation of negative associations with neutral stimuli, or the recall of negative memories stimulated by unrelated, neutral circumstances. However, the contribution of stress itself to these phenomena is unclear. Now, Fenton and colleagues have shown that in rats stress can reactivate memories that...
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This article has two aims: first, to give an historic overview of the nature-nurture debate in relation to how mothers learn to breastfeed. The overview will relate how the 'nurture' perspective came to dominate our understanding of the ontogeny of breastfeeding. The second aim is to propose professional breastfeeding competencies in an attempt to integrate the 'nature' perspective within early...
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The YABBY gene family was identified recently by homology to CRABS CLAW, a gene involved in carpel and nectary development in Arabidopsis. Several of the transcription factors encoded by the YABBY genes appear to have conserved roles in specifying abaxial cell fate in leaves, floral organs and ovules.
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Lipid droplets ensure their own consumption H ungry yeast cells use a clever form of recycling to ensure that they can keep consuming stored lipids, Wang et al. show. Lean times spur yeast cells to enter a quiescent state known as the stationary phase. They break down cached lipids by delivering lipid droplets to the vacuole and resort to autophagy, in which they digest a portion of their own c...
متن کاملStress impairs the reconsolidation of autobiographical memories.
Stress enhances memory consolidation, in particular for emotional material. When reactivated, consolidated memories return to a fragile state again and thus require another period of stabilization, called reconsolidation. Rodent studies suggest that memory reconsolidation is impaired by stress. Here we examined in healthy humans the effect of stress on the reconsolidation of autobiographical me...
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ژورنال
عنوان ژورنال: PLoS Biology
سال: 2010
ISSN: 1545-7885
DOI: 10.1371/journal.pbio.1001007