A 12-year-old boy who has never had a haircut in his life and is said to have a fear of haircuts, was threatened with expulsion from his school because of his long hair.
The characteristics of variation in tempo and pitch are what makes a melody easy to remember and haunt the listener.
There are many people who go to school, it is scary whether math or lesson / math exams are present even if it is not known how easy or difficult the lesson / test is.
The research results may open up a more effective therapy for patients with depression due to phobias such as post-traumatic stress disorder (PTSD).