Developmental Pathways of Children With and Without Familial Risk for Dyslexia During the First Years of Life Heikki Lyytinen and Timo Ahonen Department of Psychology and Child Research Center University of Jyväskylä Niilo Mäki Institute Jyväskylä, Finland Kenneth Eklund, Tomi K. Guttorm, and Marja-Leena Laakso Department of Psychology and Child Research Center University of Jyväskylä Jyväskylä, Finland Seija Leinonen Niilo Mäki Institute Jyväskylä, Finland Paavo H. T. Leppänen, Paula Lyytinen, Anna-Maija Poikkeus, and A. Puolakanaho Department of Psychology and Child Research Center University of Jyväskylä Jyväskylä, Finland Ulla Richardson Institute of Cognitive Neuroscience University College London London, England Helena Viholainen Niilo Mäki Institute Jyväskylä, Finland DEVELOPMENTAL NEUROPSYCHOLOGY, 20(2), 535–554 Copyright © 2001, Lawrence Erlbaum Associates, Inc. Requests for reprints should be sent to Heikki Lyytinen, Department of Psychology and Child Re- search Center, University of Jyväskylä, Niilo Mäki Institute, Box 35, Fin–40351, Jyväskylä, Finland. E-mail: hlyytinen@psyka.jyu.fi