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partial or total loss of articulate speech resulting from lesions of the central nervous system
a disorder of the vocal organs that results in the loss of voice
a speech disorder in which the same word is repeated several times in succession
impaired articulatory ability resulting from defects in the peripheral motor nerves or in the speech musculature
impaired ability to express ideas verbally; usually resulting from difficulties of reasoning (as in feeblemindedness or certain psychoses)
speech disorder attributable to a disorder of phonation
defective articulation of the `l' phoneme or the phoneme `r' is pronounced as `l'
speech defect involving excessive use or unusual pronunciation of the phoneme `l'
a speech defect that involves pronouncing `s' like voiceless `th' and `z' like voiced `th'
a speech disorder involving hesitations and involuntary repetitions of certain sounds