Physically many cats are able to get pregnant as young as only six or seven months old. However, it is better and healthier for pregnancy to occur when they're a little older. Often younger cats are not good mothers; the maternal instinct seems to be better developed when they're one year or older.
Initially, all modern linguistics was historical in orientation. Even the study of modern dialects involved looking at their origins. Ferdinand de Saussure 's distinction between synchronic and diachronic linguistics is fundamental to the present day organization of the discipline.
Noun. 1. cognitive process - (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; the process of thinking; the cognitive operation of remembering. cognitive operation, mental process, process, operation.