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Updated: Jan 14, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
An integrative approach to the study of drift-diffusion dynamics in working memory
1Psychophysics and Neural Dynamics Lab, Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland; The Sense Innovation and Research Center, Lausanne, Switzerland.
This study reveals how working memory biases develop and interact. Drift and diffusion dynamics explain the gradual changes in memory states over time.
Area of Science:
- Cognitive Neuroscience
- Computational Neuroscience
Background:
- Working memory is crucial for cognitive tasks.
- Understanding the neural mechanisms of working memory biases is an ongoing challenge.
Purpose of the Study:
- To investigate the emergence and interaction of two canonical working memory biases.
- To elucidate the underlying neural dynamics shaping memory states.
Main Methods:
- Behavioral experiments
- Neuroimaging techniques (e.g., fMRI, EEG)
- Recurrent neural network modeling
Main Results:
- Demonstrated how specific biases in working memory arise and influence each other.
- Provided evidence for the role of drift and diffusion processes in memory formation.
- Integrated findings from behavioral, neural, and computational approaches.
Conclusions:
- Drift and diffusion dynamics are fundamental to the temporal evolution of working memory states.
- The study offers a unified framework for understanding working memory biases.
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