High Tech Eye-gaze Tracking: Finding the Right Device for Clients. American Speech-Language-Hearing Association Convention, Miami, FL, November 18, 2006.

Augmentative Communication for Severe Aphasics, Guest Lecturer, China Rehabilitation Research Center, Beijing, P.R.China, July 26, 2006.

Eye Gaze Technology, Guest Lecturer, China Rehabilitation Research Center, Beijing, P.R.China, July 26, 2006.

Late Talkers, Guest Lecturer, ChongQing Children’s Hospital, ChongQing, P.R.China, July 20, 2006. 

Late Talkers, Guest Lecturer, Shanghai Children’s Medical Center, Shanghai, P.R.China, July 18, 2006. 

Dementia: Impact of Treatment Strategies on Engagement & Well-being. American Speech-Language-Hearing Association Convention, San Diego, CA November 18, 2005.        

Educational Benefits on Communication Behaviors in Persons With Dementia. American Speech-Language-Hearing Association Convention, San Diego, CA November 18, 2005.   

Infrared Eye-gaze Tracking: Joys and Challenges of Ultra High Tech. American Speech-Language-Hearing Association Convention, San Diego, CA November 18, 2005.   

It Pays to Work With Dementia Clients: Functional, Reimbursable Theray. American Speech-Language-Hearing Association Convention, San Diego, CA November 18, 2005.   

Formative Assessment of Student Learning.. American Speech-Language-Hearing Association Convention, San Diego, CA, November 19, 2005.

Compete for Prizes When You Try Our Eye Gaze Response Interface Computer Aid & Other Cutting Edge Assistive Tech Devices. Tech Fest, University of Minnesota Duluth, April 1, 2005.

Bruises, Barriers, and Benefits: Building a Vibrant, Institution-Wide E-Portfolio Culture. National Learning Infrastructure Initiative, New Orleans, Jan 24, 2005.

Using Eye-Gaze Response Interface Computer Aid (ERICA). Closing the Gap Conference. Edina, Minnesota, Oct. 2004.

Different Forms of ePortfolio. International Conference on the Future of the Book, Beijing, China, August 2004.

Eye-gaze Response Interface Computer Aid (ERICA), Tech Fest, University of Minnesota Duluth,  April 2,  2004.

Assisted e-mail. EDMEDIA 2003, Honolulu, Hawaii, July 2003.

Voice Recognition Programs Used for Transcription of Language Samples. American Speech-Language-Hearing Association Convention, Atlanta, Georgia, November 22, 2002.

Adapted E-Mail. E-Learn Conference, Montreal, Canada, October 17, 2002.

Utilizing Computer Dictation for Language Sample Transcript. WebNet 2001-World Conference of the WWW and Internet, Orlando, Florida, October 25, 2001.

Tutorial on Dysphagia on the World Wide Web. American Speech-Language-Hearing Association Annual Convention, San Francisco, California, November 20, 1999.

Identification of Swallowing Patterns Associated with Dysphagia.WebNet 99, Association of Advancement of Computing in Education, Honolulu,Hawaii, October, 25, 1999.

The Use of TopClass.WebNet 98, Association of Advancement of Computing in Education , Orlando, Florida, November, 12, 1998.

The Use of Video Editing Software to Calculate Oral and Pharyngeal Transit Time Measurement. American Speech-Language-Hearing Association Annual Convention, Boston, Washington, November 20, 1997.

Use of HyperStudio To Create Speech Feedback Training Modules. American Speech-Language-Hearing Association Annual Convention, Seattle, Washington, November 22, 1996.

The Use of HyperStudio Tools to Create Inexpensive Scanning Programs. American Speech-Language-Hearing Association Annual Convention, Orlando, Florida, December 8, 1995.

The Use of Hyper Studio to Create Color Communication Boards. American Speech-Language-Hearing Association Annual Convention, New Orleans, Louisiana, November 18, 1994.

Computer-Assisted Cognitive Rehabilitation: Feature Analysis Gudie. American Speech-Language-Hearing Association Annual Convention, New Orleans, Louisiana, November 19, 1994.

The Use of Microcomputers as Augmentative and Alternative Communication Aids. Ed-Media 94, World Conference on Educational Multimedia and Hypermedia, Vancouver, BC, Canada, June 27, 1994.

The Use of HyperCard Utilities to Create Color Communication Baords, with Heidi Hohnstadt and Amy Erickson.  American Speech-Language-Hearing Association, Anaheim, CA, November 19, 1993.

The Use of HyperCard Utilities to Create Communication Boards, with  Heidi Hohnstadt.  American Speech-Language-Hearing Association, San Antonio, Texas, November 20, 1992.

The Use of Alternate Input Devices with Macintosh Computers, with  Heidi Hohnstadt.  American Speech-Language-Hearing Association, San Antonio, Texas, November 21, 1992.

The Intelligibility of Synthesized Speech: Monosyllabic Words Versus Bisyllabic Words, with Sandra Wolf. American Speech-Language-Hearing Association, San Antonio, Texas, November 22, 1992.

Simulation of a Communication Device on the Macintosh.  American Speech-Language-Hearing Association Annual Convention, Atlanta, Georgia,  November 24, 1991.

Dysphagia and Cognitive Language Impairment Among Acute Rehabilitation TBI Patients, with Cynthia Benoit.  American Speech-Language-Hearing Association Annual Convention, Atlanta, Georgia,  November 22, 1991.

A Correlation Between Dysphagia and Cognitive Impairment in TBI Patients, with Cynthia Benoit.  Minnesota Speech-Language-Hearing Association Spring Convention, Bloomington, MN, April 18, 1991.

Effects of Array Sizes and Selection Techniques on Visual Memory,  with Joan Esser.  American Speech-Language-Hearing Association Annual Convention, Seattle, Washington, November 17, 1990.

A Comparison of Recall Between Blissymbols and Enhanced Blissymbols, with Cynthia Benoit and Joan Esser.  American Speech-Language-Hearing Association Annual Convention, Seattle, Washington, November 18, 1990.

The Effects of Cueing Upon Naming Performance, with Melanie Martin.  Fourth International Aphasia Rehabilitation Congress, Edinburgh, Scotland, September 4-6, 1990.

Visual Sequential Memory: Direct Selection versus Scanning, with Joan Esser and Kay Richardson.  Fourth International Society for Augmentative and Alternative Communication Biennial Conference, Stockholm, Sweden, August 12-16, 1990.

A Comparison of Recall Between Blissymbols and Enhanced Blissymbols, with Cynthia Benoit and Joan Esser.  Fourth University of Minnesota Poster Session: Basic and Applied Bio-Medical Research in Academia and Industry.  Minneapolis, Minnesota, May 15, 1990.

The Effect of Direct Selection and Scanning on Visual Recall, with Joan Esser.  American Speech-Language-Hearing Association Annual Convention, St.Louis, Missouri, November 18, 1989.

Interactive Approach to Training Graphic Systems Among Developmentally Delayed Adults with Brenda Schrader.  American Speech-Language-Hearing Association Annual Convention, St.Louis, Missouri, November 18, 1989.

Intervention Effects on Augmentative Communication System (ACS) User's Interaction Skills, with Joan Esser.  American Speech-Language-Hearing Association Annual Convention, St.Louis, Missouri, November 18, 1989.

Transparency and Recall of Symbols Among Intellectually Handicapped Adults,  with Joe Reichle.  American Speech-Language-Hearing Association Annual Convention, Boston, Massachusetts, November 18, 1988.

The Relationship of Transparency to Learning of Nonspeech Symbolic System.  International Society for Augmentative and Alternative Communication, Anaheim, California, October 23, 1988.

The Effects of Different Training Strategies on Blissymbols and Picsyms.  International Society for Augmentative and Alternative Communication, Anaheim, California, October 23, 1988.

Transparency and Ease of Learning of Symbols Represented by  Blissymbolics, PCS, and Picsyms.  Third University of Minnesota Poster Session: Basic and Applied Bio-Medical Research in Academia and Industry,  Minneapolis, Minnesota, May 25, 1988.

The Relationship of Iconicity to Learning of Nonspeech Symbolic System.   American Speech-Language-Hearing Association Annual Convention, New Orleans, Louisiana, November 14, 1987.

Iconicity and Initial Learning of Three Symbol Systems.  American Speech-Language-Hearing Association Annual Convention, New Orleans, Louisiana, November 14, 1987.

The Effects of Intervention of Cross Modal Generalization,  with Joe Reichle.  American Speech-Language-Hearing Association Annual Convention, New Orleans, Louisiana, November 14, 1987.

Arranging the Natural Environment for Functional Communication.  The Ninth National Conference of the College of Speech Therapists, Exeter, United Kingdom, September 23, 1987.

Iconicity and Initial Learning of Three Symbol Systems in Normal Three Year Old Children.  The Fourth Biennial Conference of the International Society for Augmentative and Alternative Communication, Cardiff, Wales, United Kingdom, September 22, 1986.

MR/DD: Personnel Preparation, Networking and Treatment Efficacy  Review.  American Speech-Language-Hearing Association Annual Convention, San Francisco, California, November 19, 1984.

A Progress Report on the Speech, Language, and Hearing Program at the Waimanalo Children and Youth Project, State of Hawaii. Directors of Speech and Hearing Programs in State Health and Welfare Agencies, Atlanta, Georgia, November 13, 1979.