Three main sets of conditions trigger anxiety in children:

Other professors wondered if the software would be easy to use, especially since exam days already trigger heightened anxiety among students.

When those emotions rise to a certain degree and threaten to break into conscious awareness, they trigger anxiety.

First, your doctor must determine whether you are generally anxious about all social encounters or whether a specific situation triggers anxiety.

Now her geographic proximity to him triggered anxiety.

Point being - don't ask for the specifics in situations you know will trigger anxiety.

For me, it triggered fear, intense anxiety, and heart-stopping panic.

Sometimes, external events a death in the family, say can trigger debilitating depression or anxiety.

"Typically by the time that a couple comes into treatment this stress has triggered anxiety or depression in one or both of them."

It can signal that a threat is present, and trigger a fear response or anxiety.