What is it? Glioblastoma is a very aggressive type of brain cancer. The symptoms often get worse quickly, and they can include things like headache, personality changes, and nausea. About 15% of brain tumors are glioblastomas. Unfortunately it is very hard to treat, and the average length of survival after diagnosis is only 12-15 months with 3%-5%… Continue reading What happens in glioblastoma, exactly?
What is it? Charcot-Marie-Tooth disease (CMT) is a genetic disease that causes progressive damage to the nerves that are supposed to transfer impulses between the central nervous system (the spinal cord and the brain) and the rest of the body. This leads to a loss of muscles as well as of sensation. CMT is the most… Continue reading What happens in Charcot-Marie-Tooth disease, exactly?
What is it? Batten disease is a very rare, fatal, hereditary neurodegenerative disorder. The symptoms begin in childhood, and they include vision problems, seizures, changes in personality and behavior, and problems with learning. Over time the symptoms worsen, and eventually the patient becomes blind, bedridden, demented, and dies. While there is a less severe form of… Continue reading What happens in Batten disease, exactly?
What is it? A stroke happens when insufficient blood flow to the brain leads to cell death.There are two main types of stroke: ischemic, due to a lack of blood flow, and hemorrhagic, due to bleeding inside the brain. The symptoms of a stroke vary depending on which part of the brain is affected, but… Continue reading What happens in a stroke, exactly?
What is it? Exploding head syndrome (EHS) is a neurological condition. While falling asleep or waking up, the person hears an imagined explosive sound like a gunshot or an exploding bomb, or experiences an explosive feeling. EHS has been relatively little studied. It was originally thought to be quite rare and mainly affect older people,… Continue reading What happens in exploding head syndrome, exactly?
What is it? Fatal familial insomnia (FFI) is a very rare genetic disease. The average age of onset is 50. Symptoms start as an increasing insomnia that eventually results in panic attacks, paranoia, and phobias. Then hallucinations and panic attacks become even more severe. Eventually the person is not able to sleep at all, which… Continue reading What happens in fatal familial insomnia, exactly?
What is it? Locked-in syndrome (LIS) is a condition in which the patient is in a normal state of awareness but isn’t able to move or speak. This is because they suffer from a paralysis of nearly all voluntary muscles – often they can move their eyes, though. Coded messages through blinking or moving their eyes… Continue reading What happens in locked-in syndrome, exactly?