Acquired trait: A phenotypic characteristic, acquired during growth and development, that is not genetically based and therefore cannot be passed on to the next. Volume 12 number 2 Artificial Intelligence. The Other Intelligent Design Theories; A.I. Gone Awry; Special Section: Intelligent Design; The Dover Decision; The Origin.
Bicameralism (the philosophy of "two-chamberedness") is a hypothesis in psychology that argues that the human mind once assumed a state in which cognitive functions.