The Platysma. The platysma is a paired flat, superficial neck muscle. It is counted among the mimic musculature. The platysma extends from the facial skin slightly above the insertions of the lower jaw to about the height of the second rib. It proceeds upward along the front side of the neck crossing the collar bone.
Biological psychology, or biopsychology, is a field in which the mind-body connection is explored through scientific research and clinical practice.
Medical Definition of CHILD PSYCHOLOGY. : the study of the psychological characteristics of infants and children and the application of general psychological principles to infancy and childhood.What made you want to look up child psychology? the study of the psychological characteristics of infants and children and the application of general psychological principles to infancy and childhood. What made you want to look up child psychology?