Cognitive development is Jean Piaget's theory. Through a series of stages, Piaget proposed four stages of cognitive development: the sensorimotor, preoperational, concrete operational and formal operational period.
The versatility of Bifidobacterium longum as a lactic acid microorganism is reflected in its capacity to resist under harsh conditions such as stomach acid, bile, pH fluctuations, and gastrointestinal passage.
Bifidobacterium lactis is a type of probiotic found in the intestines. Several foods also contain this bacteria, including some types of fermented milk products like yogurt. Since it can survive the digestive process, foods containing this bacteria may provide some health benefits.