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Long-term Potentiation

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.

Long-term Potentiation

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
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Long-term Depression

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Calcium Ion Concentration Mechanism
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Long-term Depression

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Related Experiment Video

Updated: Jun 4, 2026

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

Sleep-dependent consolidation of statistical learning.

Simon J Durrant¹, Charlotte Taylor¹, Scott Cairney¹

¹School of Psychological Sciences, Zochonis, Building, University of Manchester, Brunswick Street, Manchester M13 9PL, UK.

Neuropsychologia

|February 22, 2011

Summary

Sleep significantly enhances the brain's ability to abstract statistical patterns from sequential information. Slow-wave sleep, in particular, plays a crucial role in this process, improving learning and memory consolidation.

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Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

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Last Updated: Jun 4, 2026

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

Area of Science:

Cognitive Neuroscience
Sleep Science
Statistical Learning

Background:

Sleep is crucial for memory consolidation, schema formation, and rule abstraction.
The specific sleep stages involved in abstraction remain unclear.

Purpose of the Study:

To investigate the role of sleep in abstracting implicit statistical patterns from sequential stimuli.
To determine the relationship between sleep type and performance improvements in statistical learning.

Main Methods:

Participants were exposed to probabilistic sequential tone structures.
Performance was assessed through immediate and delayed recall tests.
Polysomnography was used to monitor sleep stages and correlate them with performance.

Main Results:

Nighttime sleep led to greater improvements than daytime wakefulness.
Napping improved performance compared to non-nap delays.
Slow-wave sleep showed a significant positive correlation with performance gains.

Conclusions:

Sleep, especially slow-wave sleep, is vital for the abstraction of statistical patterns.
Sleep-specific consolidation complements time-based consolidation processes.