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47 Cards in this Set
- Front
- Back
Which lobes of the brain are primarily involved with the production of voice?
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frontal and temporal
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What part of the temporal lobe plays an active role in motor planning for voice?
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the insula medial
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Speech comprehension is associated with Wernicke's area, which communicates directly with Broca's convolution via the __________, known as __________.
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the bundle of association fibers, arcuate fasciculus
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Pyramidal and Extrapyramidal tracts are part of the ___________.
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CNS
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The Pyramidal Tract is composed of what?
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Long axons and white nerve fibers that extend from the cortical neurons (located in the primary motor strip)
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How does the Pyramidal Tract function?
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Like a turnpike, permitting transmission of impulses from the cortex)
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The posterior thalamus is known as the what?
What does it do? |
Pulvinar body
Receives neural impulses from the auditory tract |
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Degenerative changes in the Substantia Nigra cause a deficiency in a chemical neural transmitter known as what?
Where is it located? |
dopamine
caudate nucleus and Putamen |
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Disturbed basal ganglia and Extrapyramidal control circuit results in what?
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A Hypokinetic dysarthria seen in Parkinson's
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Cranial nerve X, the Vagus, innervates what?
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The larynx
the superior and recurrent laryngeal nerves |
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Cranial nerves V, VII, VIII...
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have direct impact on speech but aren't primary in production of voice
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Cranial nerve V, trigeminal innervates what?
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Muscles of mastication
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Cranial Nerve VII, facial innervates what?
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Facial muscles. Sensory components include taste in the anterior 2/3 of tongue and sensation of soft palate
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Flaccid dysarthria is caused by what kind of damage?
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Unilateral or bilateral damage to specific cranial nerves
Damage to CNS or PNS |
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What messed up stuff happens to you when you have flaccid dysarthria
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Disturbance of muscular control over the speech mechanism
Irregularities in speed, strength, timing and accuracy in respiration, voicing, resonance, articulation, prosody |
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CRICOTHYROID MUSCLE PARALYSIS causes voice to be...(3 things)
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Breathy b/c vocal folds won't go together.
Less loud. Difficult to elevate or lower pitch |
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Primary function of CRICOTHYROID
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Tensing of vocal fold
-Essential for elevation of pitch -Contributes to vocal fold adduction |
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TRUE OR FALSE:
BILATERAL VOCAL FOLD PARALYSIS is only bilateral |
FALSE:
Bilateral and ipsolateral |
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BILATERAL VOCAL FOLD PARALYSIS is caused by lesions where?
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Tumors at the base of the skull, carcinoma or trauma
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TRUE OR FALSE:
BILATERAL VOCAL FOLD PARALYSIS is bilateral. |
FALSE
Both bilateral and ipsolateral |
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TRUE OR FALSE
BILATERAL VOCAL FOLD PARALYSIS is both abductory & adductory |
TRUE
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Most common form of laryngeal paralysis of UNILATERAL VOCAL FOLD PARALYSIS
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Disease/trauma to recurrent laryngeal nerve (RLN) on ONE side
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TRUE OR FALSE
The right RLN (recurrent laryngeal nerve) is more prone to traumatic or surgical injury than the left RLN |
FALSE
The LEFT RLN is more prone to traumatic or surgical injury |
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Many fold paralyses have spontaneous recovery within how long postonset?
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9-12 months
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Nonbehavioral approaches to UNILATERAL VOCAL FOLD PARALYSIS
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Teflon No Longer!
Collagen instead Throplasty I (surgery for medialization of paralyzed fold-using free moving wedge to move paralyzed fold to midline) |
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Symptoms of MYASTHENIA GRAVIS
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Severe voice fatigue
Breathy Quiet-say wat?!? |
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MYASTHENIA GRAVIS is an autoimmune disease in which what is impaired as the patient uses that muscle/muscle group?
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neuromuscular junction
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Onset of GUILLAIN-BARRE is often expressed in
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Dysphonia & Dysphagia
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Focal demylination of spinal and cranial nerves causes what?
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GUILLAIN-BARRE
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GUILLAIN-BARRE has no known cause BUT it is often preceded by...
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viral infection
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UNILATERAL UPPER MOTOR NEURON DYSARTHRIA (UUMND) is caused by what type of lesion to the CNS involving what?
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UNILATERAL lesion to CNS involving both PYRAMIDAL & EXTRAPYRAMIDAL TRACTS
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UNILATERAL UPPER MOTOR NEURON DYSARTHRIA (UUMND) caused by what primarily and what secondarily?
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Primarily cerebrovascular accident (CVA, a.k.a. STROKE!)
Also could be from tumor or trauma |
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Symptoms of SPASTIC DYSARTHRIA
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*Think creepy spazzy strangled person
Strained and strangled Brief in phonation time Low in pitch Monopitch Variable loudness |
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What is pseudobulbar palsy?
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Voice symptoms characteristic of spastic dysarthria
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Cause of HYPOKINETIC DYSARTHRIA
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Depletion of or functional reduction in the effect of DOPAMINE on activities of BASAL GANGLIA
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PARKINSON'S is also known as what?
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Prototypical Hypokinetic Dysarthria
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98% of hypokinetic dysarthrias are what type?
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Parkinson's type
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Characteristics of Parkinson's
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Reduced loudness
Breathy voice Monotone pitch Intermittent rapid rushes of speech Soft production of consonants |
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Unintelligible speech due to rapid movement of articulators is a characteristic of what?
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Parkinson's
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HYPERKINETIC DYSARTHRIA caused by...
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Damage to basal ganglia
OR Imbalance of neurotransmitters like dopamine or acetylcholine |
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Describe SPASMODIC DYSPHONIA
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Strangled, harsh voice
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What causes SPASMODIC DYSPHONIA?
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Adducted vocal folds
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How can SPASMODIC DYSPHONIA be treated?
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Botulium Toxin (BTX) injections
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TRUE OR FALSE:
SPASMODIC DYSPHONIA can be classified as a form of focal dystonia |
TRUE
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Recurrent Laryngeal Nerve Sectioning (RLN) treats what?
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Spasmodic Dysphonia
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ESSENTIAL TREMOR can be classified as what?
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Hyperkinetic Dysathria of Tremor
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ESSENTIAL TREMOR is not genetic
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False
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