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Gerasimos Fergadiotis, Ph.D., CCC-SLP, Assistant Professor

Contact Information

Speech & Hearing Sciences Department
PO Box 751
Portland State University
Portland, OR 97207-0751

Office Location:  Neuberger Hall 84B
Phone: (503) 725-2217
Toll Free: 1 (800) 547-8887 x2217

Areas of Expertise

Cognitive Assessment


Ph.D., Speech & Hearing Science, Arizona State University, Tempe, Arizona
M.A., Speech-Language Pathology, Kent State University, Kent, Ohio
B.A., Speech and Language Therapy, Technological Educational Institution, Epirus, Greece


SPHR 465: Introduction to Research Methods for Clinical Scientists
SPHR 495: Organic Communication Disorders
SPHR 540: Research Methods
SPHR 563: Adult Language Disorders

Aging and Adult Language Disorders Research Lab Website

Curriculum Vitae


Gerasimos Fergadiotis is an Assistant Professor in the Department of Speech and Hearing Sciences at Portland State University. Dr. Fergadiotis’ research, which is currently funded by NIDCD, is focused on developing psychometric applications for quantifying cognitive deficits in adults with aphasia. He is the Director of the Aging and Adult Language Disorders Lab which among another projects coordinates the Northwest Aphasia Registry and Repository in collaboration with the University of Washington Aphasia Lab (UW PI: Diane Kendall). He is also a member of the ASHA Ad Hoc Committee on Patient-Reported Outcomes that is charged with proposing a plan as to how ASHA can help professionals meet the needs for patient-reported outcomes in health care settings. Finally, Dr. Fergadiotis is affiliated with the Aphasia Network, a 501(c)(3) non-profit organization supporting people with aphasia in Pacific Northwest.