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Phonation: Dysphonia
Articulation: Dysarthria
Language: Dysphasia
Types of Dysphasia
Sensory dysphasia (receptive or Wernicke’s) Motor dysphasia (expressive or Broca’s) Nominal dysphasia Global dysphasia (both motor and sensory)
Dysphasia is a disorder of language; dysarthria is a disorder of speech.
Broca area - posterior part of inferior frontal gyrus ; frontal lobe in dominant hemisphere
Wernicke area - superior temporal gyrus ; temporal lobe in dominant hemisphere
Bulbar palsy
Pseudobulbar palsy
Brown-Sequard Syndrome
Ipsilateral ContraleralAbove the level of lesion - -At the level of lesion LMN lesion -Below the level of lesion Loss of vibration and
proprioception sense (posterior column tract)
UMN lesion
Loss of pain and temperature (spinothalamic tract)
Thenar muscles
Hypothenar muscles
Median Nerve
Ulnar Nerve
Radial Nerve
Facial Nerve Palsy
UMN LMNSite of lesionInvolved areaBell phenomenon Absent May be presentTaste sensation Not affected May be affectedHyperacusisFacial wasting / atrophy