Brain & Nervous System: Tests & Diagnosis
Do humans really only use 10 to 20 percent of their brains?
10/02/06, Why Do Men Fall Asleep After Sex?There are many different nonscientific answers to this question. A wife might argue that her husband uses less than 10 percent of his brain at times, a coach often tells his players that they aren't using their heads enough, and we often think that our politicians don't use their brains at all. The truth is that there is no way to quantify how much of our brains we use at any given time. Humans definitely use more than 10 to 20 percent of their brains, so this myth is definitely false.
Why don't men listen?
10/02/06, Why Do Men Fall Asleep After Sex?In the September 2005 issue of the journal Neuroimage, psychiatric researchers at the University of Sheffield reported that male and female voices activate distinct regions of the male brain. The scientists monitored the brain activity of twelve men as they listened to male and female voices. They found that in men, women's voices stimulate an area of the brain used for processing complex sounds, like music. Male voices, on the other hand, activate a region of the brain used for producing imagery. This may suggest that, at least for men, the female voice is more complex and more difficult to hear and understand.
Ginkgo biloba
09/01/07, HealthwiseGinkgo is also well-known for its effect on memory and thinking (cognitive function). It may enhance cognitive performance in healthy older adults,8 in people with age-related cognitive decline, and in people with Alzheimer's disease.
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Neuroblastoma: Screening - Patient Information [NCI PDQ]
10/31/08, HealthwiseScreening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormaltissue or cancer is found early, it may be easier to treat. By the time symptoms appear, cancer may have begun to spread.
Meningitis - Exams and Tests
12/24/08, HealthwiseDiagnosis of meningitis is based on a medical history, a physical exam, and tests.
Vestibular Neuritis - Exams and Tests
08/22/07, HealthwiseVestibular neuritis is usually diagnosed from your symptoms of sudden vertigo, nausea, and vomiting with no hearing loss.
Encephalitis - Exams and Tests
08/05/08, HealthwiseYour doctor will ask questions about your medical history and your symptoms. It is important to tell your doctor if you have taken any recent trips or have been sick lately. Your doctor may also ask about your sexual history to see if it'
Neurological examination for multiple sclerosis
02/28/08, HealthwiseBefore conducting a neurological examination for multiple sclerosis (MS), the doctor will collect information about your symptoms. The kinds of symptoms, as well as how and when they occur, are important in evaluating whether you might ha
Multiple Sclerosis (MS) - Exams and Tests
02/28/08, HealthwiseDiagnosing multiple sclerosis (MS) is not always easy. It may take some time from when symptoms first appear to confirm the diagnosis. MS is diagnosed when it is clear from neurological tests and a neurological examination that lesion
Electronystagmogram for vertigo
12/29/08, HealthwiseIn an electronystagmogram (ENG), wires (electrodes) attached to the face detect involuntary eye movements (nystagmus) that occur when a person has vertigo. During this test, the person is asked to track a moving object with the eyes,
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