Emotions are complex psychological states involving subjective experiences, physiological responses, and behavioral reactions. They are crucial for navigating daily life, influencing decision-making, ...

Human cognitive responses, behavioral responses, and disease dynamics co-evolve over the course of any disease outbreak, and can result in complex feedbacks. We present a dynamic agent-based model ...

Two recent studies offer new clues about how the brain copes with traumatic events that can trigger flashbacks and lead to post-traumatic stress disorder (PTSD). Do you suffer from some form of PTSD?

ATLANTA -- It sounds like a scene from a scary movie: a research scientist strapped me into a dentist-like chair, plugged my finger into a heart rate monitor and called the whole thing "The Fear ...

The left panel depicts direct fear, in which a mouse experiences an immediate threat such as a predator or footshocks, leading to robust defensive reactions and activation of survival circuits. The ...

I love this cartoon of a determined character fearlessly charging into the open jaws of a crocodile. It sums up the power of free-will, determination, and mindfulness to overcome something that ...

A newly reported study suggests that fear and the immune system are connected in previously unknown ways. Results from the preclinical research, headed by scientists at Mass General Brigham, showed ...

Megalophobia represents an intense and irrational fear of exceptionally large objects. People living with this condition ...

Platelets are clot-forming cell fragments that circulate through the blood. In retrospect, they make perfect sense as the body’s serotonin truckers because they absorb the gut-derived hormone, store ...

Have you ever felt a chill run down your spine while watching someone else in distress? This phenomenon, known as vicarious fear, allows us to experience fear by observing others—even when we are not ...