Chimerism is what happens when cells from one twin are present in the other. For example, white blood cells with Y chromosomes would be found in the female twin.
: of, relating to, or involving conscious mental activities (such as thinking, understanding, learning, and remembering). cognitive development/psychology/impairment. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.
Cognitive complexity can also refer to the number of mental structures an individual uses, how abstract they are and how they interact to shape his discernment or an individual difference variable linked with a wide range of communication skills and associated abilities.