Complex sentence: The concepts of psychoanalysis have been applied to films in various ways; however the 1970s and 1980s saw the development of theory that took concepts developed by the French psychoanalyst and writer Jacques Lacan and applied them to the experience of watching a film.
Split into simpler sentences: The concepts of psychoanalysis have been applied to films in various ways. However, the 1970s and 1980s saw the development of theory that took concepts developed by the French psychoanalyst and writer Jacques Lacan and applied them to the experience of watching a film.