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47 Cards in this Set

  • Front
  • Back
Which lobes of the brain are primarily involved with the production of voice?
frontal and temporal
What part of the temporal lobe plays an active role in motor planning for voice?
the insula medial
Speech comprehension is associated with Wernicke's area, which communicates directly with Broca's convolution via the __________, known as __________.
the bundle of association fibers, arcuate fasciculus
Pyramidal and Extrapyramidal tracts are part of the ___________.
CNS
The Pyramidal Tract is composed of what?
Long axons and white nerve fibers that extend from the cortical neurons (located in the primary motor strip)
How does the Pyramidal Tract function?
Like a turnpike, permitting transmission of impulses from the cortex)
The posterior thalamus is known as the what?

What does it do?
Pulvinar body

Receives neural impulses from the auditory tract
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
Disturbed basal ganglia and Extrapyramidal control circuit results in what?
A Hypokinetic dysarthria seen in Parkinson's
Cranial nerve X, the Vagus, innervates what?
The larynx

the superior and recurrent laryngeal nerves
Cranial nerves V, VII, VIII...
have direct impact on speech but aren't primary in production of voice
Cranial nerve V, trigeminal innervates what?
Muscles of mastication
Cranial Nerve VII, facial innervates what?
Facial muscles. Sensory components include taste in the anterior 2/3 of tongue and sensation of soft palate
Flaccid dysarthria is caused by what kind of damage?
Unilateral or bilateral damage to specific cranial nerves

Damage to CNS or PNS
What messed up stuff happens to you when you have flaccid dysarthria
Disturbance of muscular control over the speech mechanism

Irregularities in speed, strength, timing and accuracy in respiration, voicing, resonance, articulation, prosody
CRICOTHYROID MUSCLE PARALYSIS causes voice to be...(3 things)
Breathy b/c vocal folds won't go together.

Less loud.

Difficult to elevate or lower pitch
Primary function of CRICOTHYROID
Tensing of vocal fold

-Essential for elevation of pitch
-Contributes to vocal fold adduction
TRUE OR FALSE:

BILATERAL VOCAL FOLD PARALYSIS is only bilateral
FALSE:

Bilateral and ipsolateral
BILATERAL VOCAL FOLD PARALYSIS is caused by lesions where?
Tumors at the base of the skull, carcinoma or trauma
TRUE OR FALSE:

BILATERAL VOCAL FOLD PARALYSIS is bilateral.
FALSE

Both bilateral and ipsolateral
TRUE OR FALSE

BILATERAL VOCAL FOLD PARALYSIS is both abductory & adductory
TRUE
Most common form of laryngeal paralysis of UNILATERAL VOCAL FOLD PARALYSIS
Disease/trauma to recurrent laryngeal nerve (RLN) on ONE side
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
Many fold paralyses have spontaneous recovery within how long postonset?
9-12 months
Nonbehavioral approaches to UNILATERAL VOCAL FOLD PARALYSIS
Teflon No Longer!
Collagen instead
Throplasty I (surgery for medialization of paralyzed fold-using free moving wedge to move paralyzed fold to midline)
Symptoms of MYASTHENIA GRAVIS
Severe voice fatigue
Breathy
Quiet-say wat?!?
MYASTHENIA GRAVIS is an autoimmune disease in which what is impaired as the patient uses that muscle/muscle group?
neuromuscular junction
Onset of GUILLAIN-BARRE is often expressed in
Dysphonia & Dysphagia
Focal demylination of spinal and cranial nerves causes what?
GUILLAIN-BARRE
GUILLAIN-BARRE has no known cause BUT it is often preceded by...
viral infection
UNILATERAL UPPER MOTOR NEURON DYSARTHRIA (UUMND) is caused by what type of lesion to the CNS involving what?
UNILATERAL lesion to CNS involving both PYRAMIDAL & EXTRAPYRAMIDAL TRACTS
UNILATERAL UPPER MOTOR NEURON DYSARTHRIA (UUMND) caused by what primarily and what secondarily?
Primarily cerebrovascular accident (CVA, a.k.a. STROKE!)

Also could be from tumor or trauma
Symptoms of SPASTIC DYSARTHRIA
*Think creepy spazzy strangled person

Strained and strangled

Brief in phonation time

Low in pitch

Monopitch

Variable loudness
What is pseudobulbar palsy?
Voice symptoms characteristic of spastic dysarthria
Cause of HYPOKINETIC DYSARTHRIA
Depletion of or functional reduction in the effect of DOPAMINE on activities of BASAL GANGLIA
PARKINSON'S is also known as what?
Prototypical Hypokinetic Dysarthria
98% of hypokinetic dysarthrias are what type?
Parkinson's type
Characteristics of Parkinson's
Reduced loudness
Breathy voice
Monotone pitch
Intermittent rapid rushes of speech
Soft production of consonants
Unintelligible speech due to rapid movement of articulators is a characteristic of what?
Parkinson's
HYPERKINETIC DYSARTHRIA caused by...
Damage to basal ganglia

OR

Imbalance of neurotransmitters like dopamine or acetylcholine
Describe SPASMODIC DYSPHONIA
Strangled, harsh voice
What causes SPASMODIC DYSPHONIA?
Adducted vocal folds
How can SPASMODIC DYSPHONIA be treated?
Botulium Toxin (BTX) injections
TRUE OR FALSE:

SPASMODIC DYSPHONIA can be classified as a form of focal dystonia
TRUE
Recurrent Laryngeal Nerve Sectioning (RLN) treats what?
Spasmodic Dysphonia
ESSENTIAL TREMOR can be classified as what?
Hyperkinetic Dysathria of Tremor
ESSENTIAL TREMOR is not genetic
False