Discover what a traumatic brain injury (TBI) is, common causes and symptoms, how doctors diagnose it, and what recovery may look like.

Discover what anoxic and hypoxic brain injuries are, what causes low brain oxygen, key symptoms, and treatment options.

A concussion is a mild brain injury from a blow or sudden jolt that affects thinking, balance, and memory and needs rest to heal.

CTE is a brain disease linked to repeated head injuries that affect memory, mood, and thinking. Learn what causes it and what to expect.

Interoception shapes how you sense hunger, stress, and emotion—and how well you respond to your body’s signals each day.

The ganzfeld experiment uses sensory deprivation to trigger hallucinations and explore altered states of awareness.

Gamma brain waves drive focus, memory, and high-level thinking, shaping how alert and mentally sharp you feel.

Memory shapes how we learn, store, and recall experiences, influencing emotions, behavior, and mental health.

Know the signs of hydrocephalus and why early diagnosis can improve long-term outcomes.

Discover why head size matters in babies and when medical evaluation is needed.

Adrenoleukodystrophy is a rare genetic disease linked to the X chromosome that mainly affects those who are born male.

Learn about lissencephaly, a rare brain disorder, its causes, symptoms, and impact on child development.

Paresthesia is the “pins and needles” feeling caused by pressure on nerves or poor blood flow.

Tingling in hands and feet can signal nerve irritation or damage. Discover symptoms, causes, and when to seek care.

Sensitive nerves can make feet especially ticklish. Learn about possible causes, health signs, and benefits.

Pseudotumor cerebri is a condition caused by high pressure in the brain. Discover symptoms, causes, risks, and treatment options.

Learn how cryptococcal meningitis affects immunity, its symptoms, risks, and treatment options.

CJD is a rare brain disease that quickly causes dementia and death. There is no cure, but care focuses on comfort and symptoms.

Learn how mad cow disease spreads, its link to vCJD, symptoms, and why today’s risk remains very low.

Labyrinthitis is an inner ear infection that can cause vertigo and balance problems. See symptoms, causes, and when to get care.

Neuropsychological testing helps track changes in memory and cognition over time.

A CSF protein test measures protein in spinal fluid to help detect infections and nervous system disorders.

EMG and nerve studies help guide treatment for pinched nerves, neuropathy, and muscle diseases.

Doctors use cranial ultrasounds to monitor brain structure and fluid without using radiation.