Electroencephalography (EEG) is a diagnostic test that measures electrical activity in the brain using electrodes placed on the scalp. It's primarily used to detect conditions like epilepsy, sleep disorders, and brain injuries.

Yes, EEG is a completely safe and non-invasive diagnostic procedure with no risk of electric shock or pain.

EEG is commonly used to diagnose epilepsy, sleep disorders, brain tumors, head injuries, encephalitis, and other neurological disorders.

A routine EEG typically takes about 20 to 40 minutes, while longer monitoring like ambulatory EEG can last 24 to 72 hours.

No, the EEG test is painless. It involves placing electrodes on your scalp, which only record electrical activity.

Avoid caffeine, wash your hair before the test, and inform your doctor about any medications. You may be asked to sleep less the night before.

Yes, you can eat before an EEG, but avoid caffeine or any food or drink that may stimulate your nervous system.

No, most EEG tests are outpatient procedures. However, longer video EEG monitoring might require a hospital stay.

EEG cannot diagnose tumors directly but may indicate abnormal brain activity associated with tumors or other brain issues.

EEG is non-invasive and risk-free. Occasionally, it may trigger seizures in patients with epilepsy, but this is controlled and monitored.

Results are usually available within a few days. A neurologist will interpret the results and provide a diagnosis.

Yes, EEG is safe for children and is often used to diagnose childhood epilepsy or developmental disorders.

EEG measures brain wave activity, while MRI provides detailed images of brain structures. Both are used for different diagnostic purposes.

Yes, EEG can be repeated over time to monitor the effectiveness of treatment in conditions like epilepsy.

In some cases, EEG can assist in understanding brain activity related to psychiatric disorders, but it's not a primary diagnostic tool for mental illness.

Yes, sleep EEG or polysomnography is commonly used to diagnose conditions like sleep apnea, narcolepsy, and insomnia.

Yes, EEG is valuable in assessing brain activity in coma patients and confirming brain death.

Ambulatory EEG allows for long-term recording of brain activity while the patient goes about daily life, often for 24–72 hours.

In most cases, you can drive after EEG. However, if you’ve been sleep-deprived or sedated, arrange for someone to drive you home.

Video EEG combines EEG recordings with continuous video monitoring to study brain activity and physical behavior during seizures.