Types of MSD’s, Lesion Location, Impairment Flashcards
Flaccid Dysarthria Lesion Location
Lower Motor Neuron
Flaccid Dysarthria Impairment
Weakness- no muscle contractions
Flaccid Dysarthria is the only type of MSD that is in the …
Peripheral Nervous System (PNS)
Spastic Dysarthria Lesion Location
Bilateral (2 sides) Upper Motor Neuron
Hypokinetic Dysarthria Impairment
Rigidity and reduced range of movement
Spastic Dysarthria Impairment
Spasticity- too much muscle contraction
Ataxic Dysarthria Lesion Location
Cerebellum
Ataxic Dysarthria Impairment
Incoordination
Hypokinetic Dysarthria Lesion Location
Basal Ganglia
Hyperkinetic Dysarthria Lesion Location
Basal Ganglia
Hyperkinetic Dysarthria Impairment
Abnormal Movements
Unilateral Upper Motor Neuron Dysarthria Lesion Location
Unilateral (1 side) Upper Motor Neuron- most commonly due to stroke
Unilateral Upper Motor Neuron Dysarthria Impairment
Weakness, Incoordination, or spasticity- depends on the lesion location
Apraxia of Speech Lesion Location
Left Dominant Hemisphere
Apraxia of Speech Impairment
Motor Planning or Programming
Unilateral Upper Motor Neuron Salient Features
Mild articulatory imprecision
Unilateral Upper Motor Neuron Confirmatory Signs
Hemiparesis
Unilateral weakness of lower face
Spastic Dysarthria Salient Features
Strained-strangled voice
Slow rate
Spastic Dysarthria Confirmatory Signs
Hypertonicity
Exaggerated reflexes
Pseudobulbar state
Flaccid Dysarthria Salient Features
Hypernasality
Continuous breathy voice
Nasal emission
Audible inspirations
Flaccid Dysarthria Confirmatory Signs
Hypotinicity
Diminished reflexes
Facisculations
Ataxic Dysarthria Salient Features
Inconsistent consonant misarticulation
Excess, equal stress
Irregular articulatory breakdown
Irregular, excessive loudness variability
Excessive rate variability
Ataxic Dysarthria Confirmatory Signs
Dysmetria
Hypokinetic Dysarthria Salient Features
Monopitch
Reduced loudness
Monoloudness
Blurring of consonant distinctions
Short rushes of speech
Hypokinetic Dysarthria Confirmatory Signs
Masked facies
Short, shuffling gait
Hyperkinetic Dysarthria Salient Features
Prolonged intervals between phonemes
Abnormal silent intervals
Irregular articulatory breakdown
Prolonged phonemes
Excess loudness variation
Hyperkinetic Dysarthria Confirmatory Signs
Involuntary movements
Apraxia of Speech Salient Features
Articulatory groping
Distorted substitutions
Automatic easier than volitional speech
Inconsistent articulatory errors
Increased errors with increase length and complexity
Apraxia of Speech Confirmatory Signs
Nonverbal oral apraxia
Limb apraxia