One of fiction's most commonly used plot devices - a knock on the head used to render someone momentarily unconscious - is a lot more harmful in the real world. A new study published this week in The Lancet Psychiatry reaffirms that traumatic brain injuries (TBIs), even those that are relatively mild, are linked to a higher risk of dementia in our later years.
Tagged With brain injury
If, at its most essential, the brain is a mass of wires and circuits, then when something goes wrong, logic suggests the brain can be rewired to fix it. This is the theory behind a host of research that seeks to correct things such as mental illness, paralysis and blindness, and impaired cognitive ability by interfering with the brain's wiring and firing.
For friends and family, fewer things are more agonising than not knowing if or when a loved one in a coma will regain consciousness following a severe head injury or drug overdose. Researchers have shown that a common test can measure awareness in comatose patients -- and even predict when they might wake up.