The mirror test—sometimes called the mark test, mirror self-recognition (MSR) test, red spot technique, or rouge test—is a behavioral technique developed in 1970 by American psychologist Gordon Gallup ...

The mirror test has fascinated scientists for decades due to its simplicity and revealing nature. First introduced in 1970 by psychologist Gordon Gallup Jr., the experiment places a visible mark on an ...

While we are the only species to scrutinize our reflections in a mirror every day, we are not the only ones to recognize ourselves in reflective surfaces. These mixed results have led researchers to ...