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7 Cards in this Set

  • Front
  • Back
Neurogenic Voice Problem
- Either PNS or CNS problems

If CNS affects causes:
- intiation and coordination problems

Id PNS affected causes:
- Instruction of CSN to muscles and various organs
Peripheral Nerve Lesion
Intrinsic muscles hat are involved predict dysfunction

- Most common unilateral
Cerebellum
Responsible for controlling voice atributes such as pitch and loudness- NOT initiation of phonation or speech
Extrapyramidal System Disease
Extrapyramidal system Functions to coordinate phonation

-Diseases affects basal ganglia causing parkinsons

Symptoms:
- monopitch
- rigidity
- tremor
- reduces ROM
- dysarthria (prosodic excess, monopitch, harshness)
Lower motor neuron damage
Affects brainstem and medulla
Upper motor neuron diseases
Damage to pramidal pathways causes:
-spasticity
- weakness
- slows movement and limits range

Symptoms:
- harshness and hoarseness

Etiology:
- strokes, MS, cerebral palsy

UMN diseases:
Shy Drager, ALS, Huningtons Chorea
Muliple Sclerosis
- Disease affecing myelin
and CNS

Etiology:
- multiple scarring of white matter of brainstem

Symptoms:
- 1/2 have normal speech production
- reduction of vocal loudness
- misarticulation
- hypernasal/ breathy