Glossary D

Deep dyslexia refers to a reading disorder characterized by an impaired ability to sound out words, while wholeword skills are unimpaired.

Deep lesioning is defined as the removal of tissue within the brain by use of an electrode .
Deep Processing refers to a a process that can help retrieve information from long-term memory

Deep sleep refers to the Stage 4 - slow-wave sleep; the deepest form of normal sleep.

Deep structure refers to an underlying syntactic structure that links various phrase structures through the application of various transformation rules; the level of linguistic structure assumed in transformational grammar that expresses the underlying semantic meaning of a sentence. In Chomsky's theory , Deep structure is the grammatical organization and meaning that underlies all language ; contrast with Surface structure.

Deep-structure ambiguity is a form of ambiguity in which a sentence may be derived from two (2) different deep structures.

Default value refers to the value of a parameter that a child is hypothesized to be born with.

- Defective response inhibition : Defective response inhibition is defined as the act of inappropriately, displaying a motor response when it is unwanted.

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