1-11
Editorial Preface
The Very Early Autism Phenotype
Nurit Yirmiya and Sally Ozonoff
12-24
Original Paper
A Prospective Case Series of High-risk Infants who Developed Autism
Susan E. Bryson, Lonnie Zwaigenbaum, Jessica Brian, Wendy Roberts and Peter Szatmari, et al.
25-36
Original paper
Stereotyped Motor Behaviors Associated with Autism in High-risk Infants: A Pilot Videotape Analysis of a Sibling Sample
Alvin Loh, Teesta Soman, Jessica Brian, Susan E. Bryson and Wendy Roberts, et al.
37-48
Original Paper
Response to Joint Attention in Toddlers at Risk for Autism Spectrum Disorder: A Prospective Study
Michelle Sullivan, Julianna Finelli, Alison Marvin, Elizabeth Garrett-Mayer and Margaret Bauman, et al.
49-61
Original Paper
The First Year Inventory: Retrospective Parent Responses to a Questionnaire Designed to Identify One-Year-Olds at Risk for Autism
Linda R. Watson, Grace T. Baranek, Elizabeth R. Crais, J. Steven Reznick and Jessica Dykstra, et al.
62-72
Original Paper
Parental Recognition of Developmental Problems in Toddlers with Autism Spectrum Disorders
Katarzyna Chawarska, Rhea Paul, Ami Klin, Sarah Hannigen and Laura E. Dichtel, et al.
73-85
Original Paper
Restricted and Repetitive Behaviors in Young Children with Autism Spectrum Disorders
Jennifer Richler, Somer L. Bishop, Jennifer R. Kleinke and Catherine Lord
86-97
Original Paper
Sex Differences in Toddlers with Autism Spectrum Disorders
Alice S. Carter, David O. Black, Sonia Tewani, Christine E. Connolly and Mary Beth Kadlec, et al.
98-107
Original paper
Predictors of Optimal Outcome in Toddlers Diagnosed with Autism Spectrum Disorders
Saasha Sutera, Juhi Pandey, Emma L. Esser, Michael A. Rosenthal and Leandra B. Wilson, et al.
108-121
Original Paper
Visual Fixation Patterns during Reciprocal Social Interaction Distinguish a Subgroup of 6-Month-Old Infants At-Risk for Autism from Comparison Infants
Noah Merin, Gregory S. Young, Sally Ozonoff and Sally J. Rogers
122-132
Original Paper
Early Social and Emotional Communication in the Infant Siblings of Children with Autism Spectrum Disorders: An Examination of the Broad Phenotype
Tricia D. Cassel, Daniel S. Messinger, Lisa V. Ibanez, John D. Haltigan and Susan I. Acosta, et al.
133-144
Original Paper
Effects of Different Attentional Cues on Responding to Joint Attention in Younger Siblings of Children with Autism Spectrum Disorders
Alison G. Presmanes, Tedra A. Walden, Wendy L. Stone and Paul J. Yoder
145-157
Original Paper
Early Social, Imitation, Play, and Language Abilities of Young Non-Autistic Siblings of Children with Autism
Karen Toth, Geraldine Dawson, Andrew N. Meltzoff, Jessica Greenson and Deborah Fein
158-170
Original Paper
Variation in Vocal-Motor Development in Infant Siblings of Children with Autism
Jana M. Iverson and Robert H. Wozniak
171-183
Original paper
The Development of Young Siblings of Children with Autism from 4 to 54 Months
Ifat Gamliel, Nurit Yirmiya and Marian Sigman
184
Announcement
Request for Proposals Primary Research Program 2007
Pre-proposals due April 6, 2007
185
Announcement
Division TEACCH Offers Classroom Training Program for Summer 2007 in Chapel Hill
Alice Wertheimer