News articles tagged with "brain"

03/05/2015 09:03:55
Jessica Stoller-Conrad
Melatonin supplements are commonly taken as a sleep aid, but new research on zebrafish suggests that the melatonin naturally made in our brains may also be important for sleep processes.
11/20/2013 09:00:05
Katie Neith
A group of researchers led by Caltech neuroscientist Ralph Adolphs has made the first recordings of the firings of single neurons in the brains of autistic individuals, and has found specific neurons in a region called the amygdala that show reduced processing of the eye region of faces.
09/24/2013 21:29:22
Kathy Svitil
Colin Camerer, a behavioral economist at the California Institute of Technology whose work integrates psychology with economics experiments to understand how people behave when making decisions, has been named a MacArthur Fellow and awarded a five-year, $625,000 "no strings attached" grant.
09/18/2013 09:02:05
Kimm Fesenmaier
New neuroeconomic research at Caltech has found that the financial investors most likely to take a risk and fuel bubble markets are those with good "theory of mind" skills—those who are good at "putting themselves in others' shoes."
06/11/2013 07:00:45
Marcus Woo
Researchers have used a well-known, noninvasive technique to electrically stimulate a specific region deep inside the brain, causing volunteers to judge faces as more attractive than before their brains were stimulated.
01/14/2013 18:03:33
Marcus Woo
When offered spinach or a cookie, how do you decide which to eat? Do you go for the healthy choice or the tasty one? To study the science of decision making, researchers in the lab of Caltech neuroeconomist Antonio Rangel analyze what happens inside people's brains as they choose between various kinds of food. The researchers typically use functional magnetic resonance imaging (fMRI) to measure the changes in oxygen flow through the brain; these changes serve as proxies for spikes or dips in brain activity. Recently, however, investigators have started using a new technique that may better tease out how you choose between the spinach or the cookie—a decision that's often made in a fraction of a second.
01/13/2013 16:09:32
Kimm Fesenmaier
The brain needs its surroundings to be just right. That is, unlike some internal organs, such as the liver, which can process just about anything that comes its way, the brain needs to be protected and to have a chemical environment with the right balance of proteins, sugars, salts, and other metabolites.
12/12/2012 09:36:19
Katie Neith
Humans have a tendency to spontaneously synchronize their movements. For example, the footsteps of two friends walking together may synchronize, although neither individual is consciously aware that it is happening. Similarly, the clapping hands of an audience will naturally fall into synch. Although this type of synchronous body movement has been observed widely, its neurological mechanism and its role in social interactions remain obscure. A new study, led by cognitive neuroscientists at the California Institute of Technology (Caltech), has found that body-movement synchronization between two participants increases following a short session of cooperative training, suggesting that our ability to synchronize body movements is a measurable indicator of social interaction.
12/04/2012 20:58:21
Douglas Smith
Viviana Gradinaru (BS '05) might one day be getting inside your head—but in a good way. An assistant professor of biology at Caltech, Gradinaru is trying to map out the brain's wiring diagrams. Gradinaru will discuss her work at 8:00 p.m. on Wednesday, December 5, in Caltech's Beckman Auditorium. Admission is free.
11/25/2012 17:21:18
Marcus Woo
A team led by Colin Camerer and Shinsuke Shimojo has found a way to predict the severity of hindsight bias and has identified a technique that successfully reduces it.
11/12/2012 00:18:16
Marcus Woo
Researchers at Caltech have found that people make speed-dating decisions based on a combination of two different factors that are related to activity in two distinct parts of the brain.
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