A computer program developed by a Salk-led team has been trained to distinguish among a number of facial cues, helping to sort false from genuine expressions. What's more, the program performs as well as a psychologist trained to read faces and markedly better than human non-experts.
According to a new Salk study, animals that get regular voluntary exercise on running wheels grow more new brain cells than sedentary counterparts.
Salk scientists have used a crippled version of the AIDS virus to deliver genes to human hematopoetic stem cells, a class of cells capable of reconstituting blood and bone marrow, and transplanted the treated cells into mice.
Zinc has long been recognized as an essential trace element, and a current study led by Salk Institute investigators shows it to be an integral part of ion channels, structures that regulate communication among nerve cells.
A specific combination of genes that directs newly born nerve cells to their target muscles has been identified by Salk Institute researchers, constituting the first such code deciphered.
Researchers at The Salk Institute for Biological Studies have discovered that Vitamin A promotes learning, and they have provided the first evidence that the vitamin affects brain cell activity in a region linked to learning and memory.
Salk Institute researchers have isolated the gene called dissatisfaction, and gained clues to how it works in fly brains to affect sexual choice in both males and females.
Like bubbles fizzing from fine champagne, it has long been assumed that our supply of brain cells steadily diminishes through our lives, never to be replenished. According to a landmark Salk study, however, new cells are born in human brains, even in mature individuals.
The first steroid hormone unearthed in 30 years is chemical cousin to the molecule that lures pigs to truffles, and like that rare and elusive fungus, it is in a class by itself.
In research reported in the September 1 issue of Nature Medicine, scientists at The Salk Institute for Biological Studies identify a molecular link between fat metabolism and colon cancer. The results may also be relevant to breast and prostate cancer, common cancers that are also associated with dietary fat.
Before the engine that drives cell division goes into gear, it must receive a biological spark from its genetic machinery to set the process in motion. In the current issue of the journal Science, researchers from The Salk Institute for Biological Studies say they have identified that "ignition" point on a human chromosome.
In a developing organism, knowledge of right from left can often mean the difference between life and death. Now, a team led by scientists at The Salk Institute for Biological Studies has discovered a molecular guide, in the form of a single gene, that helps youthful cells, tissues and organs decide in which direction to take their first fateful steps--whether to go left or right.
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