Glossary B

B = f(P,E) refers to the interactionism formula proposed by Kurt Lewin that assumes each person's behavior (B) is a function of his or her personal qualities (P), the social environment (E), and the interaction of these personal qualities with factors present in the social setting.
B cell refers to a type of leukocyte that matures in the bone marrow; attaches to an intruder, and produces specific antibodies to attack the intruder’s antigen . B cell is one of the three (3) main types of lymphocytes that are both born in and mature in the bone marrow.
b-amyloid is another name of Beta-amyloid, a type of protein involved in the formation of neuritic plaques both in normal aging and in Alzheimer’s disease.
B-cell refers to a variety of lymphocyte that attacks invading microorganisms.
Babbles refer to vowel/consonant combinations that infants begin to produce at about 4 to 6 months of age.
Babbling refers to the infant''s preferential production largely of those distinct phonemes - both vowels and consonant which are characteristic of the infant's own language . It is the child's first vocalizations that have the sounds of speech ; a speech-like sounds that consist of vowel-consonant combinations which is common with infants at about 6 months Moreover, it refer to the vocal sounds of infants after about the sixth week that are initially characterized by sounds used in many languages and then begin to reflect the sounds and intonation infants are most likely to hear in their caregivers ' speech.

- Babbling drift : Babbling drift refer to sequences of variegated Babbling that have the intonation contour of sentences.
Babinski reflex refers to the reflexive flexion of the big toe when the sole of the foot is stimulated Moreover, Babinski reflex is a reflex in which infants fan their toes when the undersides of their feet are stroked.