Glossary P

Phototherapy refers to a treatment for Seasonal affective disorder (SAD ) that involves exposure to bright, full-spectrum light.

Phototherapy means treatment with light. For exampl

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Phrase marker refers to a tree diagram that represents the Phrase structure of a sentence.

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Phrase structure refers to the hierarchical organization of sentences into phrases.

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Phrase-structure ambiguity refers to a form of ambiguity in which a sentence has multiple meanings that may be revealed by regrouping the sentence constituents.

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Phrase-structure grammar refers to the syntactical analysis of the structure of phrases as they are used.

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Phrase-structure rule is a rule that rewrites one constituent into one or more constituents. For example, a verb phrase may be rewritten as a verb and a noun phrase.

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Phrenology refers to the study of the shape of the head to determine anatomical correlates of human behavior.

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Phylogenetic development is defined as development over evolutionary time.