The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Synaptic Plasticity Forms and Functions
Abstract
Synaptic plasticity, the activity-dependent change in neuronal connection strength, has long been considered an important component of learning and memory. Computational and engineering work corroborate the power of learning through the directed adjustment of connection weights. Here we review the fundamental elements of four broadly categorized forms of synaptic plasticity and discuss their functional capabilities and limitations. Although standard, correlation-based, Hebbian synaptic plasticity has been the primary focus of neuroscientists for decades, it is inherently limited. Three-factor plasticity rules supplement Hebbian forms with neuromodulation and eligibility traces, while true supervised types go even further by adding objectives and instructive signals. Finally, a recently discovered hippocampal form of synaptic plasticity combines the above elements, while leaving behind the primary Hebbian requirement. We suggest that the effort to determine the neural basis of adaptive behavior could benefit from renewed experimental and theoretical investigation of more powerful directed types of synaptic plasticity.
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Behavioral timescale synaptic plasticity (BTSP) is responsible for the rapid formation of hippocampal place fields.
“behavioral timescale synaptic plasticity (BTSP) (103–106), which is responsible for the rapid formation of hippocampal place fields.”
From Synaptic memory and CaMKII (2023) · cites this paper as [106]
BTSP is NMDAR dependent and, unlike classical LTP, has a coincidence time window of seconds rather than milliseconds.
“It is NMDAR dependent, but unlike classical LTP the coincidence time window is seconds, not milliseconds.”
From Synaptic memory and CaMKII (2023) · cites this paper as [106]
Aβ oligomers interfere with Hebbian plasticity, impairing LTP while enhancing LTD, thus biasing networks toward synaptic weakening.
“Evidence suggests that Aβ oligomers interfere with Hebbian plasticity, impairing LTP while enhancing LTD, thus biasing networks toward synaptic weakening [85].”
From Toward a Unified Framework in Molecular Neurobiology of Alzheimer’s Disease: Revisiting the Pathophysiological Hypotheses (2026) · cites this paper as [85]
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“A series of elegant studies (104, 106, 424, 425) have discovered a new form of plasticity referred to as behavioral timescale synaptic plasticity (BTSP).”
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Metadata
- Authors
- Magee, J. C., & Grienberger, C.
- Affiliations
- Howard Hughes Medical Institute (US)
- Venue
- Annual Review of Neuroscience
- Publisher
- Annual Reviews
- Published
- 2020-07-08
- Volume
- 43
- Issue
- 1
- Pages
- 95-117
- ISSN
- 0147-006X (ISSN-L)
- 1545-4126
- OpenAlex
- W3007169267
- Cited by
- 806
- References
- 30
- Citations by year
- 2026: 108 · 2025: 227 · 2024: 185 · 2023: 129 · 2022: 95 · 2021: 50 · 2020: 12
- FWCI
- 9.89
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Annual Review of Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- synaptic plasticity, Hebbian plasticity, neuromodulation, eligibility traces, supervised learning, hippocampal synaptic plasticity, learning and memory, connection weight adjustment, adaptive behavior
- MeSH terms
- Animals, Humans, Learning, Memory, Synaptic Transmission, Neuronal Plasticity, Neurons, Synapses
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