Metaplasticity: tuning synapses and networks for plasticity

WC Abraham - Nature Reviews Neuroscience, 2008 - nature.com
Synaptic plasticity is a key component of the learning machinery in the brain. It is vital that
such plasticity be tightly regulated so that it occurs to the proper extent at the proper time …

Long-term potentiation at CA3–CA1 hippocampal synapses with special emphasis on aging, disease, and stress

A Kumar - Frontiers in aging neuroscience, 2011 - frontiersin.org
Synaptic plasticity in the mammalian central nervous system has been the subject of intense
investigation for the past four decades. Long-term potentiation (LTP), a major reflection of …

Maternal care determines rapid effects of stress mediators on synaptic plasticity in adult rat hippocampal dentate gyrus

RC Bagot, FN van Hasselt, DL Champagne… - Neurobiology of learning …, 2009 - Elsevier
Maternal care in the rat influences hippocampal development, synaptic plasticity and
cognition. Previous studies, however, have examined animals under minimally stressful …

Competitive interactions between endogenous LTD and LTP in the hippocampus underlie the storage of emotional memories and stress‐induced amnesia

DM Diamond, CR Park, AM Campbell… - …, 2005 - Wiley Online Library
This speculative review serves two purposes. First, it as an extension of the ideas we
developed in a previous review (Diamond et al., Hippocampus, 2004; 14: 281–291), and …

Mechanisms of heterosynaptic metaplasticity

SR Hulme, OD Jones, CR Raymond… - … of the Royal …, 2014 - royalsocietypublishing.org
Synaptic plasticity is fundamental to the neural processes underlying learning and memory.
Interestingly, synaptic plasticity itself can be dynamically regulated by prior activity, in a …

The molecular basis for the calcium-dependent slow afterhyperpolarization in CA1 hippocampal pyramidal neurons

G Sahu, RW Turner - Frontiers in Physiology, 2021 - frontiersin.org
Neuronal signal transmission depends on the frequency, pattern, and timing of spike output,
each of which are shaped by spike afterhyperpolarizations (AHPs). There are classically …

Memory deficits are associated with impaired ability to modulate neuronal excitability in middle-aged mice

CC Kaczorowski, JF Disterhoft - Learning & memory, 2009 - learnmem.cshlp.org
Normal aging disrupts hippocampal neuroplasticity and learning and memory. Aging deficits
were exposed in a subset (30%) of middle-aged mice that performed below criterion on a …

Mechanisms underlying basal and learning-related intrinsic excitability in a mouse model of Alzheimer's disease

CC Kaczorowski, E Sametsky, S Shah, R Vassar… - Neurobiology of …, 2011 - Elsevier
Accumulations of β-amyloid (Aβ) contribute to neurological deficits associated with
Alzheimer's disease (AD). The effects of Aβ on basal neuronal excitability and learning …

Stability and plasticity of intrinsic membrane properties in hippocampal CA1 pyramidal neurons: effects of internal anions

CC Kaczorowski, J Disterhoft… - The Journal of …, 2007 - Wiley Online Library
CA1 pyramidal neurons from animals that have acquired hippocampal tasks show increased
neuronal excitability, as evidenced by a reduction in the postburst afterhyperpolarization …

Calcium-dependent but action potential-independent BCM-like metaplasticity in the hippocampus

SR Hulme, OD Jones, DR Ireland… - Journal of …, 2012 - Soc Neuroscience
The Bienenstock, Cooper and Munro (BCM) computational model, which incorporates a
metaplastic sliding threshold for LTP induction, accounts well for experience-dependent …