Neuroscience

Brain activity intensity drives need for sleep

The intensity of brain activity during the day, notwithstanding how long we've been awake, appears to increase our need for sleep, according to a new UCL study in zebrafish.

Neuroscience

Interactive zebrafish brain

If zebrafish larvae used the internet, they might soon be able to download a map of their entire brain. "We're not at that point yet," explains Michael Kunst from the Max Planck Institute of Neurobiology. "Nevertheless, our ...

Neuroscience

Settling the debate on serotonin's role in sleep

Serotonin is a multipurpose molecule found throughout the brain, playing a role in memory, cognition, and feelings of happiness and other emotions. In particular, researchers have long debated serotonin's role in sleep: Does ...

Neuroscience

The most important hair on your head is on the inside

Cells along the brain's cavities are equipped with tiny hair-like protrusions called cilia. Cilia are still poorly understood, but we know a few things about what can happen if they are not doing their job.

Medications

Zebrafish larvae help in search for appetite suppressants

Researchers at the University of Zurich and Harvard University have developed a new strategy in the search for psychoactive drugs. By analyzing the behavior of larval zebrafish, they can filter out substances with unwanted ...

Cardiology

Cells make costume changes for cardiac regeneration

(Medical Xpress)—If the heart following a heart attack is not sufficiently supplied with blood, heart tissue dies. In adult humans, the ability to heal itself is hardly developed. Scientists from the Max Planck Institute ...

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