Fear

Definition

Fear is an emotional response induced by a perceived threat which causes changes in brain function and behavior such as fleeing, hiding, or freezing from traumatic events.

Related terms

Fight or Flight Response:

The body's response to perceived threat or danger, involving physiological changes such as increased heart rate and adrenaline.

Phobia:

An extreme, irrational fear of a specific object, situation, or activity.

Anxiety:

A feeling of worry, nervousness, or unease about something with an uncertain outcome.