Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
American Psychological Association
APA is the leading scientific and professional organization representing psychology in the United States, with more than 122,000 researchers, educators, clinicians, consultants and students as its members.
American Psychiatric Association
The mission of the American Psychiatric Association is to promote universal and equitable access to the highest quality care for all people affected by mental disorders, including substance use disorders; promote psychiatric education and research; advance and represent the profession of psychiatry; and serve the professional needs of its membership.
National Institute of Mental Health
The National Institute of Mental Health (NIMH), one of the institutes that makes up the National Institutes of Health (NIH), is the largest scientific organization in the world dedicated to research focused on the understanding, treatment, and prevention of mental disorders and the promotion of mental health. The mission of NIMH is to reduce the burden of mental illness and behavioral disorders through research on mind, brain, and behavior.
Diagnostic and Statistical Manual of Mental Disorders DSM-5 by
Publication Date: 2013
This new edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-5), used by clinicians and researchers to diagnose and classify mental disorders, is the product of more than 10 years of effort by hundreds of international experts in all aspects of mental health.