Before revision: According to Dr. Victoria Dunckley, excessive use of electronic screen media can have ill effects on mental health related to mood, cognition, and behavior—and may even result in psychosis in the form of hallucination.
After revision: According to Dr. Victoria Dunckley, excessive use of electronic screen media can have ill effects on mental health related to cognition, and behavior—and may even result in psychosis in the form of hallucination.