All Stories

  1. Speech Amplification Device Usage in Hypophonia: Spontaneous Speech Intelligibility

    Article • American Journal of Speech-Language Pathology, March 2026, American Speech-Language-Hearing Association (ASHA)

    Thea Knowles, Adrián Castillo-Allendes

  2. Bridging Voice and Swallowing: A Qualitative Study on Speech-Language Pathologist Perspectives of Integrated Therapy

    Article • American Journal of Speech-Language Pathology, October 2025, American Speech-Language-Hearing Association (ASHA)

    Adrián Castillo-Allendes, Thea Knowles

  3. Speech Amplification Device Usage for the Management of Hypophonia: A Survey of Speech-Language Pathologists

    Article • American Journal of Speech-Language Pathology, April 2024, American Speech-Language-Hearing Association (ASHA)

    Helen Mach, Thea Knowles

  4. Clinical Insights Into the Use of Speech Amplification Devices for Managing Hypophonia: Interviews With Speech-Language Pathologists

    Article • American Journal of Speech-Language Pathology, March 2024, American Speech-Language-Hearing Association (ASHA)

    Helen Mach, Thea Knowles

  5. Effect of Face Masks and Speech Style on Speech Intelligibility and Listener Effort in Parkinson's Disease

    Article • American Journal of Speech-Language Pathology, August 2023, American Speech-Language-Hearing Association (ASHA)

    Thea Knowles, Nathaniel Cline

  6. Acoustic and perceptual impact of face masks on speech: A scoping review

    Article • PLOS One, August 2023, PLOS

    Thea Knowles

  7. Impact of Face Masks on Speech in Parkinson's Disease: Effect of Clear and Loud Speech Styles

    Article • Journal of Speech Language and Hearing Research, February 2023, American Speech-Language-Hearing Association (ASHA)

    Thea Knowles