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.
Biological psychologists are on the cutting edge of new discoveries that relate to brain development, chemical balance, and damage, and how those things relate to human behavior. For this reason, biopsychology is one of the fastest-growing areas of the psychological profession.