Related Experiment Video
Updated: May 4, 2026

Aversive Associative Learning and Memory Formation by Pairing Two Chemicals in Caenorhabditis elegans
Published on: June 23, 2022
Neuropeptide S modulation of learning and memory: a systematic review.
Violeta-Maria Caragea1,2, Kay Jüngling3, Marta Méndez-Couz4
1Research Institute of the University of Bucharest, Șoseaua Panduri, 90-92, 5th District, Bucharest, 050663, Romania.
Neuropeptide S (NPS) influences memory and learning, particularly for emotionally relevant stimuli. This peptide system shows potential for treating memory disorders by modulating acquisition, consolidation, and retrieval.
Area of Science:
- Neuroscience
- Molecular Biology
- Behavioral Science
Background:
- Neuropeptide S (NPS) is a key bioactive peptide in the mammalian brain.
- NPS influences fear, anxiety, wakefulness, reward, and learning.
- The neuropeptide S receptor 1 is highly expressed in brain areas crucial for learning.
Purpose of the Study:
- To review evidence on the NPS system's role in modulating learning and memory.
- To examine NPS's impact on associative learning, addiction, and fear conditioning.
- To highlight the therapeutic potential of the NPS system in related pathologies.
Main Methods:
- Advanced literature search across PubMed, Google Scholar, Web of Science, and Scopus.
- Focus on studies investigating memory and Neuropeptide S.
- Synthesis of data from human and animal studies.
Main Results:
- NPS modulates all memory phases: acquisition, consolidation, and retrieval.
- NPS impacts extinction learning for appetitive and aversive stimuli.
- NPS interacts with orexinergic, dopaminergic, and noradrenergic systems to influence memory.
Conclusions:
- The Neuropeptide S system is a critical modulator of memory processes.
- NPS signaling preferentially influences learning tied to emotional or motivational relevance.
- The NPS system presents a potential therapeutic target for specific memory impairments.
More Related Videos
Related Concept Videos
Role of Neurotransmitters in Memory
Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is...
Long-term Potentiation
Hebbian LTP
LTP can occur when...
Long-term Potentiation
Long-term Depression
Calcium Ion Concentration Mechanism
If over...
Long-term Depression
Synaptic Signaling
Most synapses are chemical, meaning an electrical impulse or action potential spurs the release of chemical messengers called neurotransmitters. The neuron sending the signal is called the presynaptic neuron, and the neuron receiving the signal is the postsynaptic neuron.
The presynaptic neuron fires an action potential that...

