Psychology & Psychiatry

Mouse study finds that fearlessness can be learned

The neurotransmitter serotonin plays a key role in both the onset and in the unlearning of fear and anxiety. A research team from the Department of General Zoology and Neurobiology headed by Dr. Katharina Spoida and Dr. Sandra ...

Neuroscience

Silent synapses are abundant in the adult brain

MIT neuroscientists have discovered that the adult brain contains millions of "silent synapses"—immature connections between neurons that remain inactive until they're recruited to help form new memories.

Neuroscience

Ketamine found to be unlikely to lead to addiction

A team of researchers at the University of Geneva has found that ketamine is unlikely to be addictive to people who use it for extended periods of time. In their paper published in the journal Nature, the group describes ...

Neuroscience

Novel sensors enable precise measurement of dopamine

Dopamine is an important signaling molecule for nerve cells. Its concentration could not be precisely determined with both high spatial or temporal resolution until now. A new method has now made this possible: A research ...

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