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 approach believes us to be as a consequence of our genetics and physiology. It is the only approach in psychology that examines thoughts, feelings, and behaviors from a biological and thus physical point of view. Therefore, all that is psychological is first physiological. All thoughts, feeling & behaviour ultimately have a biological cause. A biological perspective is relevant to the study of psychology in three ways: 1. Comparative method: different species of animal can be studied and compared.