H. Wiig, Ph.D. is Professor Emerita, Boston University and
President of Knowledge Research Institute, an independent research and
consulting firm. She is a Fellow of the American Speech-Language-Hearing
Association (ASHA), the recipient of the ASHA Foundation 2001 Frank
R. Kleffner Career Award and the 2005 Honors of the Association. She
is author/co-author of several language tests (e.g., CELF-4, CELF-4
Spanish, CELF-Preschool-2), has published over 90 research articles
in professional journals, and contributed to texts on language disorders
and psycho-educational assessment. She engages in neuropsychological
research of screening for cognitive impairments associated with dementia
and other neurogenic and psychiatric disorders and is senior author
of AQT. Her current research of language disorders and learning disabilities
in children and adults focuses on verbal executive functions and implications
of deficits for language, communication, literacy, academic achievement
and socialization. . For further information, please see Dr.
Wiig's curriculum vitae (.pdf file).
Peter Nielsen, M.D., is a Danish psychiatrist with specialization
in geronto-psychiatry, certified in Denmark and Sweden. He served as chief
of psychiatry at the Helsingborg Psychiatric Hospital in Sweden and practiced
at the District Psychiatric Center-Vesterbro and Hvidovre Hospital in
Copenhagen. Dr. Nielsen is involved in rapid automatic naming and neuroimaging
(rCBF) research of patients with Alzheimer’s and other dementias.
He is co-author of the Alzheimer Quick Test: Assessment of Parietal Function
(Wiig, Nielsen, Minthon, & Warkentin, 2002. San Antonio, TX: PsychCorp).
His current interests include, among others, research of the prevalence
of early-onset Alzheimer’s in adult referrals and in patients with
late onset depression of unspecified origin.