Speech Issues

Damage to the direct motor pathway can lead to:

–Spastic dysarthria (UMN damage)

–Flaccid dysarthria (LMN damage)

-Damage to multiple motor pathways can lead to...Mixed dysarthria (ALS)

• Damage to the extrapyramidal system can lead to:
• Hyperkinetic dysarthria (Huntington’s disease)
• Hypokinetic dysarthria (Parkinson’s disease)