There are various courses available in the field of psychiatry for the students in short term. I am mentioning below the name of these courses along with the institutes which provide them:

1. Positive psychiatry and mental health by the University of Sydney
2. Schizophrenia by Wesleyan University
3. Sleep neurobiology medicine and society by University of Michigan
4. Psychology first aid by John Hopkins University
5. Suicide prevention by Wesleyan University
6. Medical neuroscience by Duke University
7. Major depression in the population of Public Health approach by John Hopkins University
8. Abnormal psychology by Wesleyan University
9. Introduction to psychology by Yale University
10. History of mental illness by wesleyan University

You can find all these courses online on different ed tech websites such as Coursea and Udemy.

Read also about Psychiatrist Career:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/careers/psychiatrist&ved=2ahUKEwj4zqKN_cv2AhXdxjgGHRURBD0QFnoECAUQAQ&usg=AOvVaw3z-IFVC9uiTRxStUVyoTiL