Glossary P

Pons refers to the part of the brain that controls REM and NREM sleep. Pons is a structure in the hindbrain that acts as a neural relay center, a relay station that contains neural fibers that pass signals from one part of the brain to another and facilitating the "crossover" of information between the left side of the body and the right side of the brain and vice versa.

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Pontomesencephalon refers to a part of the reticular formation that contributes to cortical arousal by axons that release Acetylcholine and Glutamate in the Basal forebrain and Thalamus

Ponzo illusion is defined as an illusion of size in which two (2) objects of equal size that are positioned between two (2) converging lines appear to be different in size. Ponzo illusion is also called the Railroad track illusion.

Popinjay refers to a someone who indulges in vain and empty chatter. Also refers to someone who behaves extravagantly

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Popular children refers to children who are liked by many members of their peer group, classmates and playmates for example and disliked by very few. Moreover, Popular children are those children who are frequently named by others in a Sociometric rating procedure.

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Popularity is defined as a social construction by children, with popular children being well-known and accepted by others or other children, and having high-status attributes such as attractiveness, athleticism, and desirable possessions.

Deutsch: Bevölkerung / Español: Población / Português: População / Français: Population / Italiano: Popolazione /

Population refers to the entire group of individuals sharing a particular characteristic.

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Population density is defined as the physical condition in which a large population occupies a limited space.