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Revised view of brain circuit reveals how we avoid being overwhelmed by powerful odors

Scientists report the discovery of a neural circuit in the mouse olfactory bulb that explains how our mammalian cousins (and by extension, we) are able to dial down powerful odor signals sampled from the environment, for the simple reason that they wou…

Human brain may contain a map for social navigation

A study reveals how the hippocampus contributes to social behavior. The brain region that helps people tell whether an object is near or far may also guide how emotionally close they feel to others and how they rank them socially.

Human brain study sheds light on how new memories are formed

In the first study of its kind researchers found that neurons in a specific brain region play a key role in rapidly forming memories about every day events, a finding that may result in a better understanding of memory loss and new methods to fight it …

Electrical nerve stimulation can reverse spinal cord injury nerve damage in patients

Researchers find that nerve stimulation can improve the function of peripheral nerves damaged by spinal cord injury (SCI). This technique may be a new approach to preventing long-term changes in nerve and muscle function after SCI and improving SCI reh…

Doing good deeds helps socially anxious people relax

Being busy with acts of kindness can help people who suffer from social anxiety to mingle more easily.

Sleep deprivation could reduce intrusive memories of traumatic scenes

A good night’s sleep has long been recommended to those who have experienced a traumatic event. But a new study provides preliminary experimental work suggesting it could actually be the wrong thing to do.

How the stress hormone cortisol reinforces traumatic memories

The stress hormone cortisol strengthens memories of scary experiences. However, it is effective not only while the memory is being formed for the first time, but also later when people look back at…

Males may contribute to offspring’s mental development before pregnancy

A new study provides evidence in mice that males may play a positive role in the development of offspring’s brains starting before pregnancy.

How the stress hormone cortisol reinforces traumatic memories

The stress hormone cortisol strengthens memories of scary experiences. However, it is effective not only while the memory is being formed for the first time, but also later when people look back at an experience while the memory reconsolidates. Researc…

People with epilepsy can benefit from smartphone apps to  manage their condition

While many people with epilepsy can control their seizures with medication, those unpredictable and involuntary changes in behavior and consciousness can be limiting for others. Neurologists evaluated the application of smartphones in epilepsy care. Ap…