Dr. Casey’s publications and professional activities also highlight interests in:

• Palliative Care in Dementia: Exploring end-of-life care for patients with advanced dementia and the ethics of intensive intervention versus comfort-oriented care.
• Psychopharmacology: The study of how medications affect mental disorders, particularly in geriatric patients who may be sensitive to "polypharmacy" (multiple medications).
• Cognitive Behavioral Therapy (CBT): Adapting psychotherapy techniques for older patients and short-term inpatient settings.
• Administrative Psychiatry: Management and leadership within psychiatric institutions.

Dr. Casey is also an editor for the Psychiatrists In-Practice Examination (PIPE) for the American College of Psychiatrists, further reflecting his interest in professional evaluation and skill assessment