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Related Concept Videos

Associative Learning01:27

Associative Learning

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Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
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Real-World Application of Classical Conditioning01:15

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Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
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Classical conditioning, as described by Ivan Pavlov, is a foundational concept in associative learning, where a neutral stimulus becomes capable of eliciting a conditioned response through association with an unconditioned stimulus. The process of acquisition, where this learning occurs, and the subsequent phenomena of contiguity, contingency, generalization, discrimination, extinction, and spontaneous recovery are crucial for a comprehensive understanding of classical conditioning.
During the...
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Higher Mental Functions of Brain: Learning and Memory01:26

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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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.
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Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
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Updated: Sep 11, 2025

Aversive Associative Learning and Memory Formation by Pairing Two Chemicals in Caenorhabditis elegans
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Maintenance suppression enhances subsequent associative learning.

Ziyao Zhang1, Jarrod A Lewis-Peacock1

  • 1Department of Psychology, The University of Texas at Austin, Austin, TX 78712.

Proceedings of the National Academy of Sciences of the United States of America
|August 12, 2025
PubMed
Summary
This summary is machine-generated.

Suppressing irrelevant information in working memory (WM) improves new memory formation. This cognitive control enhances memory encoding and reduces interference during retrieval, benefiting long-term memory.

Keywords:
MVPAassociative learningforgettinghippocampusmemory suppression

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Removing irrelevant information from working memory (WM) frees cognitive resources.
  • This process may also support long-term memory formation.

Purpose of the Study:

  • To investigate if suppressing irrelevant information in WM enhances long-term memory.
  • To characterize the neural mechanisms underlying this effect.

Main Methods:

  • Used an associative memory paradigm with directed forgetting instructions.
  • Conducted complementary behavioral (N=22) and fMRI (N=17) experiments.
  • Participants encoded and recalled item associations under instructions to maintain or suppress specific items.

Main Results:

  • Suppression impaired memory for immediately associated items but enhanced memory for subsequently encoded items.
  • Multivoxel pattern analyses showed enhanced encoding fidelity in hippocampal subregion CA1 for non-suppressed items after suppression.
  • Reactivation of suppressed items was reduced during retrieval, indicating less competition.

Conclusions:

  • Suppression of unwanted information in working memory benefits new memory formation.
  • This occurs by enhancing encoding fidelity and biasing retrieval away from suppressed associations.