Abstract:
:To investigate synaptic events underlying sensory perception, we made whole-cell membrane potential recordings of barrel cortex neurons in awake mice while recording whisker-related behavior. During quiet periods, we recorded slow, large-amplitude membrane potential changes, which switched during whisking to small, fast fluctuations that were correlated with whisker position. Robust subthreshold responses were evoked by passive whisker stimulation during quiet behavior and by active whisker contact with an object.
journal_name
Nat Neuroscijournal_title
Nature neuroscienceauthors
Crochet S,Petersen CCdoi
10.1038/nn1690subject
Has Abstractpub_date
2006-05-01 00:00:00pages
608-10issue
5eissn
1097-6256issn
1546-1726pii
nn1690journal_volume
9pub_type
杂志文章abstract::Exposure to a stressor sensitizes behavioral and hormonal responses to future stressors. Stress-associated release of noradrenaline enhances the capacity of central synapses to show plasticity (metaplasticity). We found noradrenaline-dependent metaplasticity at GABA synapses in the paraventricular nucleus of the hypot...
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