Red Lights premiered in Sundance this year, and will be released on July 13th. Official synopsis from collider.com:
A psychological thriller which explores the human brain’s perception mechanisms and the diffuse frontiers between belief and science, RED LIGHTS starts out from the experiences of two rationalist scientists who dissect phenomena from the metapsychic world, and the clash of forces with a world famous psychic they bring about. The past and the present of each the protagonists contain still unrevealed shadows, setting in train a dark story of growing tension, full of unexpected twists and turns.
Trailer for the movie. Cillian Muprhy and Sigourney Weaver play the scientists, and Robert de Niro is the “world famous psychic”. Not sure from the trailer if this is more a psychological thriller, or a horror movie.