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.
Definition of dynamic psychology. : a psychological approach or system affirming that human acts are understandable and predictable only through an analysis of the previous experiences and motivational states of the organism rather than through a simple description of the objective stimuli temporally preceding human acts â compare psychoanalysis.