In a study published in the Journal of Neuroscience, scientists found that when a train is approaching, our brains can generate a physiological response called fear, which prevents us from running away from danger.

The researchers used EEG recordings of brain activity during a “fight or flight” response to measure how much fear the brain creates when faced with an impending threat.

They also compared that fear to the fear produced by a non-threatening situation.

They found that people who have low levels of fear have better response times and lower heart rates when confronted with a train.

They concluded that this type of “fight-or-flight” response is associated with higher brain activity, which in turn reduces brain activity when a person is confronted with danger.

When confronted with an unfamiliar object, our fear of the object causes us to have a stronger reaction.

But when faced directly with a threat, the fear stops us from fleeing.

“Our findings suggest that this response may be the key to a better and safer life for humans,” the researchers wrote.

“If you have low anxiety about a threat to your life, and if you are able to successfully fight it off, then the fear that you are experiencing is more like a ‘fight or flee’ response than a response to a threat.”

The research also revealed that when people experience fear, they tend to perform worse in tests of cognitive skills.

And the fear response is particularly important for people with lower levels of empathy.

For example, when people are confronted with something unpleasant, their brains have more activity in areas of the brain that respond to fear and less activity in other areas that respond more to pleasure.

“We found that in people with low empathy, their brain responses to fear were very different,” lead researcher Paul L. Ostrander, PhD, a cognitive neuroscience researcher at the University of Maryland in College Park, told The Huffington Post in an email.

“The low levels that are associated with low anxiety are associated primarily with the brain’s prefrontal cortex.

The researchers hope their findings can be applied to people who struggle with anxiety, such as people with bipolar disorder or people with depression. “

But if you have high empathy, you have a much higher response to pain and discomfort and fear and fear of death.”

The researchers hope their findings can be applied to people who struggle with anxiety, such as people with bipolar disorder or people with depression.

“These findings provide insight into the underlying mechanisms behind the relationship between brain activity and the development of anxiety,” Ostrender said.

“As more research is done on the mechanisms underlying anxiety, we will be able to develop more effective treatment and prevention strategies.”