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.
1 They are usually conducted to estimate the prevalence of the outcome of interest for a givenâ¦. 2  Basic Tenets of the Biological Perspective in Psychology The biological perspective in psychology focuses on how physiological and genetic factors influence behavior.