Evoked potential
(Redirected from Visual evoked potential)
Evoked potential or EP is a test that measures the electrical activity of the brain in response to stimulation of specific sensory nerve pathways. The term "evoked potential" means electrical potential (voltage) that is generated (evoked) in response to some event or stimulus.
Overview[edit | edit source]
Evoked potentials are very small voltages that are generated by the brain structures in response to specific events or stimuli. These voltages can be extracted from the electroencephalographic (EEG) activity recorded from the scalp. Evoked potentials are useful in clinical neurophysiology to assess the functional integrity of specific neural pathways.
Types of Evoked Potentials[edit | edit source]
There are several types of evoked potentials, including:
- Visual Evoked Potential (VEP): This test measures the electrical signals in the brain that occur in response to visual stimuli. It is often used to diagnose and monitor diseases that affect the optic nerves and visual pathways in the brain.
- Auditory Evoked Potential (AEP): This test measures the electrical signals in the brain that occur in response to auditory stimuli. It is often used to diagnose and monitor diseases that affect the auditory nerves and auditory pathways in the brain.
- Somatosensory Evoked Potential (SEP): This test measures the electrical signals in the brain that occur in response to tactile or proprioceptive stimuli. It is often used to diagnose and monitor diseases that affect the sensory nerves and sensory pathways in the brain.
Clinical Uses[edit | edit source]
Evoked potentials are used in clinical practice to assess the functional integrity of the sensory pathways in the brain. They are often used to diagnose and monitor diseases that affect the optic nerves, auditory nerves, and sensory nerves. They can also be used to monitor the progress of these diseases and the effectiveness of treatment.
See Also[edit | edit source]
| Evoked potential Resources | |
|---|---|
|
 |
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
