The DOI matches its Crossref record; 94 of the 95 references it cites were found in a registry or an index.
Rapid eye movement sleep deprivation modifies expression of long-term potentiation in visual cortex of immature rats.
Abstract
During rapid eye movement (REM) sleep, activity of non-retinal origin is propagated into central visual-system pathways in a manner similar, in pattern and intensity, to central visual-system activity that is exogenously generated in waking. It has been hypothesized that REM sleep, which is more abundantly represented early in life than later, functions to provide adjunct 'afferent' input for shaping synaptic connectivity during brain maturation. Here we present data that support this proposal. Recent studies have described a developmentally regulated form of in vitro long-term potentiation (LTP) in the visual cortex that is experience- and age-dependent. In immature rats, suppression of retinal activation of the visual system by removal of visual experience (dark rearing) extends the age when the developmentally regulated form of LTP can be produced. This study tests whether suppression of REM-state activation of the visual system also lengthens the developmental period in which this specific form of LTP can be elicited. Young rats were deprived of REM sleep by the multiple-small-platforms-over-water method during the typically latest week for induction of such LTP in slices of visual cortex. After this week, we could still induce LTP in slices from nearly all the REM-sleep-deprived rats (8/9) but not from age-matched rats that had not lost REM sleep (0/5). The control rats had been housed on large platforms that allow the animals to obtain REM sleep. Only body weights and the concentration of thyrotrophin-releasing hormone in the hypothalamus distinguished home-caged, normal-sleeping controls from both groups of platform animals. On all measures, stress levels were not dissimilar in the two platforms groups. After 7 days of behavioral suppression of REM sleep in immature rats, and consequent reduction of the intense, extra-retinal activity endogenously generated during this sleep state, we found that the period was extended in which developmentally regulated synaptic plasticity (LTP) could be elicited in slices of visual neocortex. These studies support the role of REM sleep and its associated neuronal activity in brain maturation.
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“Crucially, REM sleep deprivation in immature rats suggests that endogenously generated visual activation during REM sleep plays a necessary role in development of the visual system (Shaffery et al., 2002).”
From Virtual reality and consciousness inference in dreaming (2014) · cites this paper as Shaffery et al., 2002
Citations
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Sleep-dependent memory consolidation
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Metadata
- Authors
- Shaffery, J. P., Sinton, C. M., Bissette, G., Roffwarg, H. P., & Marks, G. A.
- Affiliations
- University of Mississippi Medical Center (US)
- The University of Texas Southwestern Medical Center (US)
- Corresponding author
- Shaffery, J.P
- Venue
- Neuroscience
- Publisher
- Elsevier BV
- Published
- 2002-03
- Volume
- 110
- Issue
- 3
- Pages
- 431-443
- ISSN
- 0306-4522 (ISSN-L)
- OpenAlex
- W1983831210
- Cited by
- 114
- References
- 95
- Citations by year
- 2025: 1 · 2024: 3 · 2023: 4 · 2022: 9 · 2021: 3 · 2020: 11 · 2019: 4 · 2018: 2 · 2017: 6 · 2016: 3 · 2015: 3 · 2014: 4 · 2013: 5 · 2012: 3
- FWCI
- 3.52
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute of Neurological Disorders and Stroke (R01NS031720, NS31720)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Keywords
- REM sleep deprivation, long-term potentiation, visual cortex, brain maturation, synaptic plasticity, developmental regulation, immature rats, dark rearing, thyrotropin-releasing hormone, hypothalamus
- MeSH terms
- Aging, Animals, Animals, Newborn, Behavior, Animal, Body Weight, Cell Differentiation, Corticotropin-Releasing Hormone, Electric Stimulation, Female, Neural Pathways, Synaptic Transmission, Neurons, Pregnancy, Sleep Deprivation, Somatostatin, Thyrotropin-Releasing Hormone, Visual Cortex, Long-Term Potentiation, Rats, Long-Evans, Rats
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