Neuroanatomy of UMN and LMN Motor Speech Disorders. ASHA Presentation November 19, 2009 Susan T. Jackson. Disorders Causing UMN and LMN Speech Disorders. Stroke (UMN, LMN) ALS (UMN and LMN) CP (UMN, LMN) Tumor (UMN, LMN) Trauma (UMN, LMN) MS (UMN, LMN) Wilson’s disease (UMN)
November 19, 2009
Susan T. Jackson
Before Tx for Herpes Zoster
Unilateral Tongue Weakness Flaccid DysarthriaFigure 12: Typical picture of a unilateral hypoglossal paralysis. The deviation of the protruded tongue to the affected side is visible. This is caused by the greater innervation of the uninvolved side.