Which one of the following includes the most appropriate and relevant set of keywords that match the concept of 'ecopsychology', as given in the passage?

Ecopsychology is introduced in the passage as the term coined by psychologists, with Theodore Roszak cited as a leader in the field. Roszak refers to a study from a Pennsylvania hospital showing that patients with rooms overlooking gardens recovered faster than those overlooking the parking lot — demonstrating nature-induced recovery. Thus the keywords most directly tied to ecopsychology are Roszak, Pennsylvania, and nature-induced recovery of patients.