Fear responses, such as escaping from an overhead shadow that mimics a predator, are among the most essential instinctive reactions. These reflexes are driven by neural circuits in the medial ...

The research may also extend to humans one day. "While the instinctive fear responses we studied are more relevant to animals in the wild, the brain pathway we identified also exists in humans.

A new study reveals that even after healing, injuries can leave behind a hypersensitive nervous system that overreacts to future stress.

If your brain decides that a fear response is justified in a particular situation, it activates a cascade of neuronal and hormonal pathways to prepare you for immediate action.

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A new study reveals how evolution fine-tunes instinctive fear responses by tweaking a key neural switch deep in the brain.

This triggers an emotional fear response that, in this case, helps us remember to avoid touching hot surfaces — but this fear-driven mechanism also comes into play in many other scenarios.

Depleting platelets caused an even more exaggerated fear response than depleting NK cells. Additional testing suggested that depleting NK cells indirectly lowered the amount of serotonin reaching the ...

Fear is necessary for survival and humans learn fear responses through exposure. The cerebellum has been shown to contribute to learned fear responses, also known as conditioned fear responses.

A new study has uncovered a previously unknown link between the immune system and the fear response, and how psychedelics can play a role in suppressing it. The finding could improve the treatment ...