Neuroscience

When neurogenesis goes wrong

Neurogenesis is a complex biological process by which neurons are generated from neural stem cells and progenitor cells. Indeed, the discovery of a dynamic neurogenesis in the adult brain (in both humans and animals) was ...

Neuroscience

Faster-acting antidepressants may finally be within reach

Some activity patterns in the brain can be dangerous, producing persistent dark moods that drain people's motivation, pleasure, and hope. For the past thirty years, pills like Prozac or Zoloft—collectively known as selective ...

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.

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