Event-related potential
Event-related potential (ERP) is a measured brain response that is the direct result of a specific sensory, cognitive, or motor event.
Pronunciation
Event-related potential: /ɪˈvɛnt rɪˈleɪtɪd pəˈtɛnʃəl/
Etymology
The term "event-related potential" is derived from the nature of the process it describes. "Event-related" refers to the brain's response to specific events, while "potential" refers to the potential electrical activity that can be measured in response to these events.
Definition
Event-related potentials (ERPs) are changes in electrical activity in the brain that are associated with the presentation of a specific event or stimulus. ERPs are typically measured using electroencephalography (EEG), which records the brain's electrical activity through electrodes placed on the scalp.
Related Terms
- Electroencephalography (EEG): A method of recording electrical activity of the brain.
- Neurophysiology: The study of the functioning of the nervous system.
- Cognitive Neuroscience: The scientific study of the neural mechanisms underlying cognition.
- Neuropsychology: The study of the structure and function of the brain as they relate to specific psychological processes and behaviors.
Applications
ERPs are used in research to study the brain processes underlying cognitive functions such as attention, perception, memory, and language. They are also used in clinical settings to assess brain function in patients with neurological disorders, and to monitor brain function during surgery.
See Also
External links
- Medical encyclopedia article on Event-related potential
- Wikipedia's article - Event-related potential
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