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Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
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Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
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Long-term Potentiation01:25

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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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Elaborative Rehearsals01:07

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Applications of Stress01:04

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Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
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Related Experiment Video

Updated: Dec 15, 2025

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

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Phoneme and Stress Programming Interact During Nonword Repetition Learning.

Kimberly M Meigh1, Emily Cobun1, Yana Yunusova2,3,4

  • 1Department of Communication Sciences and Disorders, College of Education and Human Services, Morgantown West Virginia University.

Journal of Speech, Language, and Hearing Research : JSLHR
|July 7, 2020
PubMed
Summary

Lexical stress and phoneme processing interact during speech production. Novel nonword learning revealed that while stress patterns are learned, phoneme processing can interfere with stress retrieval.

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Area of Science:

  • Speech Production
  • Phonological Encoding
  • Psycholinguistics

Background:

  • The convergence of lexical stress and phoneme processing in phonological encoding is debated.
  • Models propose either rigid, unified representations or interactive processing based on context.

Purpose of the Study:

  • To investigate the interaction between lexical stress and phoneme processing.
  • To evaluate this interaction using a novel nonword learning paradigm.

Main Methods:

  • Twenty-seven adults learned to produce nonwords with specific phonemes and stress patterns.
  • Participants repeated modified nonwords varying in phoneme sequence, position, or stress patterns.
  • Phoneme and stress errors in nonword productions were analyzed.

Main Results:

  • Trained nonwords (Set 1) were produced with high accuracy.
  • Similar phonemic and stress errors occurred for nonwords with altered syllable position or phoneme sequence (Sets 2-3).
  • Increased phonemic and stress errors were observed for nonwords with new phonemes or stress patterns (Sets 4-5), with highest phonemic errors in Set 4.

Conclusions:

  • Lexical stress and phoneme processing co-occur and interact during nonword production.
  • No evidence for a unified representation was found; stress patterns were learned but not rigidly integrated.
  • Negative interference suggests phoneme processing can dominate and disrupt stress pattern retrieval.