Orientation discrimination in WS 30
Morris, C. A., & Mervis, C. B. (1999). Williams syndrome. In S. Goldstein &
C. R. Reynolds (Eds.), Handbook of Neurodevelopmental and Genetic Disorders in
Children (pp. 555-590). New York London: The Guilford Press.
Pani, J. R., Mervis, C. B., & Robinson, B. F. (1999). Global spatial
organization by individuals with Williams syndrome. Psychological Science, 10, 453-
458.
Raven, J. C. (1993). Coloured Progressive Matrices. Oxford, UK: Information
Press Ltd.
Raven, J., Raven, J. C., & Court, J. H. (1998). Manual for Raven's Progressive
Matrices and Vocabulary scales: section 2, Coloured Progressive Matrices. Oxford:
Oxford Psychologists Press Limited.
Rossen, R., Klima, E. S., Bellugi, U., Bihrle, A., & Jones, W. (1996).
Interaction between language and cognition: evidence from Williams syndrome. In J.
Beitchman, N. Cohen, M. Konstantareas, & R. Tannock (Eds.), Language, Learning
and Behaviour disorders: Developmental, Behavioural and Clinical Perspectives (pp.
367-392). New York: Cambridge University Press.
Shah, A., & Frith, U. (1993). Why do autistic individuals show superior
performance on the Block Design task? Journal of Child Psychology and Psychiatry,
34, 1351-1364.
Shepard, R. N., & Metzler, J. (1971). Mental rotation of three-dimensional
objects. Science, 171, 701-703.
Stiers, P., Willekens, D., Borghgraef, M., Fryns, J. P., & Vandenbussche, E.
(2000). Visuo-perceptual and visuo-constructive ability in persons with Williams
syndrome. Paper presented at the 8th International Professional Conference on
Williams Syndrome, Detroit, Michigan.