High anxiety makes it hard to sustain attention during difficult tasks because it requires increased cognitive efforts.
CAN YOU REDUCE ANXIETY WITH ATTENTION TRAINING?
Training anxious individuals to turn their attention towards positive things in their environment is effective at reducing anxiety.
ACTIVITY OF THE LOCUS COERULEUS CONTRIBUTES TO PATHOLOGICAL ANXIETY
This article discusses the role of the Locus coeruleus in the generation of pathological anxiety
IS MATH ANXIETY A THING?
Math anxiety is a real form of anxiety that is visible in the brain.