Glossary P

Principle of synchrony refers to a modern principle of perceptual organization that states that visual events that occur at the same time will be perceived as belonging together.

Principle of the heterogony of ends is a principle which according to Wundt is the fact that goal-directed activity usually causes experiences that modify the original motivational pattern.

Principle of uniform connectedness refers to a modern Gestalt principle that states that connected regions of a visual stimulus are perceived as a single unit.

Principle of visual analysis is finding differences that look convincing. If conditions are divided and stable, differences are convincing.

Principle toward the development of opposites is a principle which according to Wundt is the tendency for prolonged experience of one type to create a mental desire for the opposite type of experience.

Principles and Parameters theory refers to the theory that the child has innate knowledge of Universal Grammar that consists of principles that hold true for every language, and a set of options, or parameters, that have to be filled in by experience.

Prion is defined as a disease-causing agent and an infectious particle that is neither bacterial nor fungal nor viral and contains no genetic material. A Prion is a protein that occurs normally in a harmless form.

Prior learning is a term used in the study of human sexuality that refer to things that people have learned earlier, for example, in childhood/adolesence stage, which have an effect on their sexual response or are affecting their sexual response during their adult life.