Glossary P

- P-O-X Theory (Balance Theory) : P-O-X Theory (Balance Theory) refers to the idea that relationships among one person (P), the other person (O), and an attitude object (X) may be either balanced or unbalanced. It is a conceptualization advanced by Fritz Heider which assumes that interpersonal relationships can be either balanced (integrated units with elements that fit together without stress ) or unbalanced (inconsistent units with elements that conflict with one another). Heider believed that unbalanced relationships create an unpleasant tension that must be relieved by changing some element of the system .
P300 or the Brain Mapping Test refers to a test which was developed and patented in 1995 by neurologist Dr. Lawrence A. Farwell, Director and Chief Scientist "Brain Wave Science”, IO

PAC is the abbreviations of Post-Acute Care which is a form of short-term care provided by many hospitals and long-term care facilities that may include specialised care for certain conditions that include stroke and diabetes, rehabilitation services, and/or post-surgical care and other services associated with the transition between the hospital and home.
Pacific Island Americans refer to Americans whose cultural origins trace back to the Pacific Islands, as in Hawaii and Samoa
Pacinian corpuscle refers to a receptor with a distinctive elliptical shape associated with RA2 mechanoreceptors. It transmits pressure to the nerve fiber inside it only at the beginning or end of a pressure stimulus, and is responsible for our perception of vibration and fine textures that are perceived when moving the fingers over a surface. Pacinian corpuscles are proprioceptor sensitive to pressure and vibration found in the subcutaneous, submucosa, subserous tissues around joints, external genitals, and mammary glands.

Page header refers to the first several words of the manuscript title placed in the upper right of each manuscript page. In a research report, Page header is the first two (2) or three (3) words of the title, printed with the page number on each page of the manuscript.
Paid time off refers to an attendance policy in which all paid vacations, sick days, holidays, and so forth are combined.
pain disorder refers to Somatoform disorder featuring true pain but for which psychological factors play an important role in onset, severity, or maintenance.