The mirror test—sometimes called the mark test, mirror self-recognition (MSR) test, red spot technique, or rouge test—is a behavioral technique developed...

positive test with Tollens' reagent is indicated by the precipitation of elemental silver, often producing a characteristic "silver mirror" on the inner...

mirror, most of them mammals. Experiments have found that the following animals can pass the mirror test: Humans. Humans tend to fail the mirror test...

another animal of their species) physical mirror inspection repetitive mirror testing behavior, and the mark test, which involves the animals spontaneously...

The results of the mirror test showed that although magpies do not have a neocortex, they are capable of understanding that a mirror image belongs to their...

a 1931 paper, Wallon argued that mirrors helped children develop a sense of self-identity. However, later mirror test research indicates that while toddlers...

is one of the few nonmammalian species able to recognize itself in a mirror test. Magpies have shown the ability to make and use tools, imitate human...

animals include the mirror test (a test of visual self-awareness) and the T maze test (which tests learning ability). Such testing is used in psychology...

the mirror test. According to the authors, their findings mean that either prior conceptions of animal self-awareness or the validity of the mark test need...

largest brains and brain to body ratio of all fish, and can pass the mirror test. Mantas are found in warm temperate, subtropical and tropical waters...