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.
The biological perspective is one of the major approaches to doing psychological research, which is focused on the idea that behaviors have biological causes. Also known as physiological psychology or biopsychology, it has strong links with many different sciences, particularly neurology and genetics.