Dr. Iness is studying the distress calls of several different types of animals. What field of psychology is his specialty?

Around seven months after conception, all six layers of the brain are in place

Indicate whether the statement is true or false

How long must a person have the persistent belief that he or she has a serious illness despite medical reassurance in order to meet the criteria for hypochondriasis?

a) two months b) six months c) one year d) two years