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Developmental coordination disorder is a chronic neurological disorder that affects the voluntary movements of speech. [45] Children with developmental coordination disorder are unable to formulate certain kinds of voluntary speech; however, they may speak set words or phrases spontaneously, constituting formulaic language—although they may ...
Sentences that are usually problematic will be reworded into active-voiced, declarative phrasings of their non-canonical counterparts. [58] The simpler sentence phrasings are then transformed into variations that are more difficult to interpret. For example, many individuals who have expressive aphasia struggle with Wh- sentences.
Agrammatism is a characteristic of non-fluent aphasia. Individuals with agrammatism present with speech that is characterized by containing mainly content words, with a lack of function words. For example, when asked to describe a picture of children playing in the park, the affected individual responds with, "trees..children..run."
All of these lead to a difference in processing efficiency, which is often caused by damage to a cortical region in the brain (in receptive aphasia, for example, the lesion is in or near Wernicke's area); lesion location is the most important determining factor for all aphasic disorders, including paraphasia – the location of the lesion can ...
Receptive aphasia is an example of fluent aphasia. [4] Those who have agraphia with nonfluent aphasia can write brief sentences but their writing is difficult to read. Their writing requires great physical effort, lacks proper syntax, and often has poor spelling. Expressive aphasia is an example of nonfluent aphasia. [3]
The simplest example is sentences in the passive voice, such as "The boy was chased by the girl." Expressive aphasics may have quite a hard time realizing that the girl is doing the chasing, but they do much better with "The mouse was chased by the cat," where world knowledge constraints contribute to the correct interpretation.
For example, individuals with linguistic dysprosody may have difficulty distinguishing the production of interrogative and declarative sentences, switching or leaving out the expected rising and falling shift, respectively. [5] Thus, linguistic dysprosody alters an individual's vocal identity and impairs verbal communication. [citation needed]
The following is a list of language disorders. A language disorder is a condition defined as a condition that limits or altogether stops natural speech . A language disorder may be neurological, physical, or psychological in origin.