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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.

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  1. Home
  3. Theta-band Spectral Centroid Shifts During Visual Working Memory.
  1. Home
  3. Theta-band Spectral Centroid Shifts During Visual Working Memory.

Related Experiment Video

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

Theta-band spectral centroid shifts during visual working memory.

K Hendriks1, F G van Dijk1, D J L G Schutter2

  • 1Department of Psychiatry, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, PO Box 85500, 3508 GA, Utrecht, the Netherlands; Brain Research and Innovation Centre, Ministry of Defence, PO Box 90000, 3509 AA, Utrecht, the Netherlands.

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|June 3, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Brainwave dynamics shift during visual working memory (WM) tasks. Theta and delta frequency bands change power and speed across memory stages, but not performance.

Keywords:
ElectroencephalogramIndividual theta frequencyTime–frequency analysisVisual working memorytheta oscillationstheta power

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Related Experiment Videos

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

Area of Science:

  • Neuroscience
  • Cognitive Science

Background:

  • Theta oscillations (4-8 Hz) are implicated in visual working memory (WM).
  • The specific role of dominant individual theta frequency (ITF) speed and dynamics in visual WM remains unclear.

Purpose of the Study:

  • Investigate shifts in theta-band spectral centroid and power during visual WM.
  • Examine changes in delta and alpha bands alongside theta.
  • Determine the relationship between these spectral shifts and task performance.

Main Methods:

  • Electroencephalography (EEG) data collected from 36 healthy adults.
  • Participants performed a color change detection task.
  • Time-frequency analyses applied to EEG data across WM stages.

Main Results:

  • Theta power increased during encoding and response, decreasing during retention (p < .001).
  • Theta-band spectral centroid accelerated from encoding to response (p < .012).
  • Similar patterns observed in delta, but not alpha bands; no correlation found between spectral shifts and performance.

Conclusions:

  • Working memory stages exhibit dynamic changes in spectral centroid frequency, not just theta.
  • Observed low-frequency dynamics extend beyond theta, involving delta band activity.
  • Stage-related changes in power and centroid frequency occur during WM, impacting broader neural dynamics.