20 recruiting studies matching your filters
Background: Brain activity produces magnetic fields. These fields can be measured outside the head. Existing technology, called MEG, measures these fields. Re…
Background: Current techniques used to measure the health and function of a person s nerves and muscles are generally effective, but they do have limits. Rese…
Background: Researchers want to better understand pain by studying people with and without different kinds of pain. To do this, researchers will expose people…
Background: Nicotine dependence leads to about 480,000 deaths every year in the United States. People with major depressive disorder (MDD) are twice as likely…
Background: Diet-induced thermogenesis (DIT) is the amount of energy one's body uses to eat food, absorb the nutrients from the food, and process those nutrie…
Background: An electroencephalogram (EEG) measures the brain s electrical activity. EEG shows that the louder the sound needed to wake a person, the deeper th…
The goal of this clinical trial is to learn how the pupil responds to different light stimuli and how that relates to sleep and daily rhythms in healthy people…
Background: Laboratory tests that use blood and urine can provide a great deal of information about human health and disease. To develop even better tests and…