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Evoked activity

Form of brain activity

Summary

Form of brain activity

Evoked activity is brain activity that is the result of a task, sensory input or motor output. It is opposed to spontaneous brain activity during the absence of any explicit task. Research suggests that neurological dysfunctions associated with evoked activity involve schizophrenia, epilepsy, and Alzheimer's disease.

Most experimental studies in neuroscience investigate brain functioning by administering a task or stimulus and measure the resulting changes in neuronal activity and behavior. In electroencephalography (EEG) research, evoked activity or evoked responses specifically refers to activity that is phase-locked to the stimulus onset and is opposed to induced activity, which is a stimulus-related change in (the amplitude of) oscillatory activity.

References

(October 2009). "Background and evoked activity and their interaction in the human brain". Magnetic Resonance Imaging.
Uddin, Lucina Q.. (September 2020). "Bring the Noise: Reconceptualizing Spontaneous Neural Activity". Trends in Cognitive Sciences.
Lee, Sarah. "The Future of Evoked Activity Research in Neurobiology".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

electroencephalography

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