Fear is an immediate response to a specific threatening stimulus.
Anxiety, on the other hand, is less intense but more sustained response to anxiety-inducing sources that may be known.
Until recently, scientists believed that a marble-sized brain area, called the amygdala, served as the hub of fear and anxiety.
What happens to the brain when you have anxiety?
In the short term, anxiety increases your breathing and heart rate, concentrating blood flow to your brain, where you need it. This very physical response is preparing you to face an intense situation. If it gets too intense, however, you might start to feel lightheaded and nauseous.
What part of the brain controls anxiety?
There are two parts of the brain that are thought to be key players in the production and processing of anxiety – the amygdala and the hippocampus.
Can anxiety damage the brain?
Chronic stress, anxiety can damage the brain, increase risk of major psychiatric disorders. However, when those acute emotional reactions become more frequent or chronic, they can significantly interfere with daily living activities such as work, school and relationships.
What is the root cause of anxiety?
Causes. Stress around work or school can lead to an anxiety disorder. Anxiety disorders have a complicated network of causes, including: Environmental factors: Elements in the environment around an individual can increase anxiety.