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Paediatric Dysarthria: basics

Paediatric Dysarthria>

Mind Map branch: Paediatric Dysarthria: basics Paediatric Dysarthria: basics Speech production motor skill sensorimotor skill Acquisition stage dependency somatosensory feedback Aero-mechanical event aerodynamics pressure Flow Volume respiratory system constant subglottic pressure (for utterance) moving structures larynx Velo-pharynx Oropharynx differential  Developmental Verbal Dyspraxia difficulty: learning Planning Sequencing phonological disorders sound system delayed Deviant dysarthria cause: lesion in cortex spastic CP Basal ganglia athetoid CP Dyskinetic CP Cerebellum ataxic CP Mixed sites mixed SLT comorbidity: dyspraxia Language delay language disorder Disability physical Sensory progressive disease autism? 10% with CP? epilepsy memory difficulties ABI classification disturbances in tone ? paed application adult model Aetiology degenerative neoplastic idiopathic metabolic anoxic traumatic infectious vascular site of lesion Multiple Cerebellar Extapyramidal Upper motorneuron Lower motorneuron muscle aetiology acquired Infectious disease stroke Tumour Anoxia TBI developmental metabolic conditions Neuromuscular Muscular dystrophy myasthenia gravis Moebius Syndrome Down syndrome Worster Drought Syndrome cerebral palsy (CP) 45% speech/ difficulties 8-13yrs Kennes et al 2002

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Remember: speech sub-systems
Red Respiration
Penguins Phonation
Reside Resonance
Artic Articulation
Plateau Prosody

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definition:
* articulatory disturbance ( affecting whole vocal tract)
*arising from neuromuscular impairment
* affects: tone, power and coordination of muscles in the vocal tract used for speech
*influences: speed, range, strength and durability of movement
*impact:
- diminished accuracy of articulatory movements
- diminished intelligibility and comprehensibility

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