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Related Concept Videos

Cognitivism01:17

Cognitivism

Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process information is...

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Related Experiment Video

Updated: May 20, 2026

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

EEG dynamics reflect the distinct cognitive process of optic problem solving.

Hsiao-Ching She1, Tzyy-Ping Jung, Wen-Chi Chou

  • 1Institute of Education, National Chiao-Tung University, Hsinchu City, Taiwan, Republic of China. hcshe@mail.nctu.edu.tw

Plos One
|July 21, 2012
PubMed
Summary

This study found that electroencephalographic (EEG) activity, specifically theta and alpha brainwaves, increased as students solved physics-based optics problems more efficiently. Higher cognitive demand correlated with greater EEG spectral power changes.

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Investigating Social Cognition in Infants and Adults Using Dense Array Electroencephalography (dEEG)
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Investigating Social Cognition in Infants and Adults Using Dense Array Electroencephalography (dEEG)

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Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
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Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

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Investigating Social Cognition in Infants and Adults Using Dense Array Electroencephalography (dEEG)
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Investigating Social Cognition in Infants and Adults Using Dense Array Electroencephalography (dEEG)

Published on: June 27, 2011

Area of Science:

  • Cognitive Neuroscience
  • Educational Psychology
  • Physics Education

Background:

  • Understanding cognitive processes during problem-solving is crucial for educational advancements.
  • Electroencephalography (EEG) offers insights into brain activity during complex tasks.
  • Optics maze problems require spatial reasoning and physics knowledge.

Purpose of the Study:

  • To investigate changes in electroencephalographic (EEG) activity during the cognitive process of solving an optics maze problem.
  • To correlate EEG spectral power in different frequency bands with task demands and performance.
  • To examine how optimizing solutions impacts brain activity.

Main Methods:

  • Thirty-seven college students solved an optics maze in a web-based environment.
  • EEG data was recorded and analyzed across different frequency bands (theta, alpha, beta).
  • Changes in EEG power were assessed based on solution attempts and optimality.

Main Results:

  • Mean power in theta, alpha1, alpha2, and beta1 bands significantly increased as fewer optical elements were used.
  • Theta and alpha1 power increased when participants achieved their personal optimal solution.
  • Increased task demands and performance correlated with heightened spectral power in frontal and posterior brain regions.

Conclusions:

  • EEG spectral power in theta, alpha, and beta bands is sensitive to cognitive load and performance in physics-based problem-solving.
  • Frontal and posterior brain regions show significant EEG changes related to task optimization.
  • Findings suggest EEG can be a valuable tool for assessing cognitive engagement in educational settings.