Henderson L, Harrison JE et al. Selectively impaired reaction time in Parkinson's disease.
Neurocase 2001;7(4):319-30.

Harrison JE, et al. Measuring symptom change in patients with Parkinson's disease.
Age & Ageing 2000; 29:41-45.

Harrison JE, et al. Short test of semantic and phonological fluency: normal performance, validity and test-retest reliability.
Br J Clin Psychol. 2000 Jun;39 (Pt 2):181-91.

Harrison JE, et al. Cognitive deficits in normally intelligent patients with tuberous sclerosis.
American Journal Medical Genetics 1999 Dec 15;88(6):642-6. 2000; 29:41-45.

Other books

'Synaesthesia: The Strangest Thing'
By Dr. John Harrison. Read about this new book at the Oxford University Press website. Read a review of this book at Amazon.

Cognitive Testing Suppliers

The following links are to the web pages of organisations who supply cognitive testing services to pharmaceutical companies. Please note that this is not an exhaustive list and that the inclusion of these links does not constitute an endorsement of the service provider:

CPC personnel professional membership organisations

The following links are to the websites of professional membership organisations related to psychological assessment or to pharmaceutical development:

American Psychological Association
British Association for Psychopharmacology
British Psychological Society
British Neuropsychological Society
European Medical Writers Association
Institute of Clinical Research