Review: OnStage Playhouse’s ‘Effect’ plays with the heart and mind

Review: OnStage Playhouse’s ‘Effect’ plays with the heart and mind

Since Lucy Prebble’s play “The Effect” premiered in London in 2012, theater directors around the world have had creative license to interpret the drama in their own ways onstage. It’s been presented naturalistically in a medical clinic, stylistically in the minds of the characters, on a bare stage with a little more than a chalboard and, in a New York staging last year, in a stark dance-infused production. How it looks is less important to Prebb…