Neuroscience

Adult brain prunes branched connections of new neurons

When tweaking its architecture, the adult brain works like a sculptor—starting with more than it needs so it can carve away the excess to achieve the perfect design. That's the conclusion of a new study that tracked developing ...

Neuroscience

'Lost' memories can be found

In the early stages of Alzheimer's disease, patients are often unable to remember recent experiences. However, a new study from MIT suggests that those memories are still stored in the brain—they just can't be easily accessed.

Pediatrics

Brain abnormality found in group of SIDS cases

More than 40 percent of infants in a group who died of sudden infant death syndrome (SIDS) were found to have an abnormality in a key part of the brain, researchers report. The abnormality affects the hippocampus, a brain ...

Genetics

Drug treats inherited form of intellectual disability in mice

Studying mice with a genetic change similar to what is found in Kabuki syndrome, a inherited disease of humans, Johns Hopkins researchers report they have used an anticancer drug to "open up" DNA and improve mental function.

Neuroscience

Neuroscientists reverse memories' emotional associations

Most memories have some kind of emotion associated with them: Recalling the week you just spent at the beach probably makes you feel happy, while reflecting on being bullied provokes more negative feelings.

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