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 are another group of probiotics with enough members in the family to make it confusing to sort out which supplement is best for you. So let's look at why one the Bifidobacterium family might be a very good choice for you.1  One of the useful lactic acid producing bacteria which are found in many probiotics and are essential for health. 2  Natural colonizers of the human intestinal tract 1 - this makes them a highly desirable probiotic.hy you need Bifidobacteria. Although Bifidobacteria make up only 3 to 6% of the bacteria count in adult stools, their presence has been associated with many beneficial health effects such as the prevention of diarrhea, the reduction of lactose intolerance, an immune enhancement 1.