The scientific study of the nature, functioning, and development of the human mind, including the faculties of reason, emotion, perception…

The physiology of mental processes or phenomena; the branch of science that deals with these.

The branch of psychology that deals with the interrelation between physiological events, esp. in the brain, and mental ones; physiological…

With singular agreement. The interaction between mental states and physical events and processes; (also) the branch of science that deals with these.

experimental philosophy: (a) the philosophy which insists on experiment as the necessary foundation and test of all reasoned conclusions; (b) physics…

With singular agreement. The branch of science concerned with the relationship between the mind and the body. Also: psychosomatic medicine.