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Related Concept Videos

Working Memory01:24

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
Storage01:23

Storage

A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
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Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
Modeling in Therapy01:26

Modeling in Therapy

Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
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Understanding Memory01:19

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Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
Mechanistic Models: Overview of Compartment Models01:21

Mechanistic Models: Overview of Compartment Models

Mechanistic models, a category encompassing both physiological and compartmental modeling, differ from empirical models' approaches to incorporating known factors about the systems being modeled. Empirical models describe data with minimal assumptions, while mechanistic models aim to provide a robust description of available data by specifying assumptions and integrating known factors about the system. Compartmental analysis is a key example of a mechanistic model in pharmacokinetics and...

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Related Experiment Video

Updated: Jun 4, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Modeling working memory: a computational implementation of the Time-Based Resource-Sharing theory.

Klaus Oberauer1, Stephan Lewandowsky

  • 1Department of Experimental Psychology, University of Bristol, Bristol, UK. k.oberauer@psychologie.uzh.ch

Psychonomic Bulletin & Review
|February 18, 2011
PubMed
Summary
This summary is machine-generated.

A new computational model, TBRS*, simulates working memory performance in complex span tasks. It accounts for memory decay and restoration, offering a testable framework for cognitive theories.

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Area of Science:

  • Cognitive Psychology
  • Computational Neuroscience
  • Psychometrics

Background:

  • Working memory is crucial for cognitive abilities like IQ and reasoning.
  • Complex span tasks are widely used to assess working memory capacity.
  • The verbal Time-Based-Resource-Sharing (TBRS) model explains memory dynamics in these tasks.

Purpose of the Study:

  • To create the first comprehensive computational model of the TBRS theory.
  • To test the model's ability to replicate findings from the verbal TBRS model.
  • To identify areas for future development and refinement of the computational model.

Main Methods:

  • Developed a computational instantiation (TBRS*) of the verbal TBRS model.
  • Utilized Matlab for the model implementation.
  • Validated the model against established findings in complex span task research.

Main Results:

  • The TBRS* model successfully replicated key predictions of the verbal TBRS model.
  • The model accounts for the trade-off between memory trace decay and restoration.
  • Identified specific challenges and limitations requiring further investigation.

Conclusions:

  • The computational TBRS* model provides a robust framework for understanding working memory dynamics.
  • This model facilitates empirical testing and theoretical advancement in cognitive science.
  • The Matlab code is available for further research and application.