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Brain Waves

Brain Waves

Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:

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Updated: Jul 30, 2025

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

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Published on: February 6, 2019

Functional EEG Alpha Activation Patterns During Malevolent Creativity.

Corinna M Perchtold-Stefan¹, Christian Rominger¹, Ilona Papousek¹

¹Department of Psychology, University of Graz, Graz, Austria.

|May 13, 2023

Summary

This summary is machine-generated.

This study shows that malevolent creativity, like prosocial creativity, involves distinct brain activity patterns. Electroencephalogram (EEG) alpha power changes reveal how individuals generate harmful ideas.

Keywords:

EEG alpha power divergent thinking malevolent creativity time-course

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Area of Science:

Neuroscience
Psychology
Cognitive Science

Background:

Creative ideation can be intentionally used to harm others, a concept known as malevolent creativity.
Understanding the neural underpinnings of malevolent creativity is crucial for a comprehensive view of human ingenuity.

Purpose of the Study:

This study aimed to investigate task-related power (TRP) changes in the alpha band during malevolent creativity using electroencephalogram (EEG).
The research sought to link these neural activity patterns to performance indicators of malevolent creativity.

Main Methods:

The study involved 89 participants (52 women, 37 men) who generated original revenge ideas using the psychometric Malevolent Creativity Test.
Electroencephalogram (EEG) was used to measure task-related power (TRP) changes in the alpha band across different stages of idea generation.

Main Results:

Malevolent creativity exhibited distinct topographical alpha power increases, similar to conventional creative ideation.
Higher malevolent creativity performance correlated with specific temporal patterns of alpha power increases, particularly in prefrontal and temporal regions.
Right-lateralized alpha power increases throughout the ideation phase suggested an additional emotional load during malevolent creative processes.

Conclusions:

Electroencephalogram (EEG) alpha oscillations serve as a significant biomarker for creativity, even within a malevolent context.
The findings provide insights into the neural mechanisms underlying the generation of harmful ideas, highlighting conceptual expansion and inhibition processes.