UCSD AUTISM CENTER OF EXCELLENCE School of Medicine, University of California, San Diego SYNAPSES Rampon et al., 2000 Turner et al., 2003 Greenough and Chang, Review CAPILLARY PERFUSION Black et al., 1987 Sirevaag et al., 1988 DENDRITIC BRANCHING Volkmar&Greenoug h, 1972 Greenough et al., 1986 NEUROGENESIS Kempermann et al, 1997 Brown et al., 2003 PLASTICITY High Low Infancy Childhood Adulthood AGE SUBJECTS • 136 infants abandoned at birth in Bucharest, Romania, and institutionalized • 68 Foster Care (FCG) • 68 Remained Institutionalized (IG) • 72 Never Institutionalized (NIG) reared at Home with Biological Parents •DV = Bailey Scale of Infant Development (Baseline, 30 & 42 mo) and WPPSI at 50 mo. GROUP Mean DQ INSTITUTION (IG)- 42 mo 77.1 FOSTER CARE GROUP- 42 mo 85.6 NEVER INSTITUTIONALIZED (NIG) 42 mo 103.4 Foster Care DQ at 42 months BY AGE OF PLACEMENT AGE AT PLACEMENT N MEAND.Q SD 0-18 14 94.9 11.9 18-24 16 89.0 11.3 24-30 22 80.1 13.3 30+ 9 79.7 17.1 MIGHT NOT: MIGHT: Point at things Talk or babble in a voice with an unusual tone Babble or talk back and forth with another person Display extreme sensory sensitivities Try to gain the attention of others Play with toys in an unusual manner Show shared enjoyment Smile in response to your smile Display unusual body or hand movemen Say their first word by 12-14 mo Make good eye contact Enjoy cuddling Show objects to others Respond to their name Seem overly fussy or be difficult to soothe Carry around an objects for extended periods of time. These items might seem unusual or usual. • Wetherby, Woods, Allen, Cleary, Dickinson, & Lord (2004) • Landa, Holman, & Garrett-Mayer (2007) Statistical Group Effects: Specialized training often • Werner, Dawson, Individual levelOsterling, uncertain& Dinno (2000) required to detect red flags • Luyster, Gotham, Guthrie, Coffing, Petrak, Pierce, Bishop, Esler, Hus, Oti, Richler, Risi, & Lord (2009) • Osterling & Dawson (1994) • Osterling, Dawson, & Munson (2002) • Vostanis, Corbett, Edwards, Gingell, Golding, Unclear Smith, how to probe Sungum-Paliwal, for Red Flags usually obvious by 24Moore, & Williams (1998) these behaviors in a medical 30months, what about younger? setting • Zwaigenbaum, Bryson, Rogers, Roberts, Brian, & Szatmari (2005) • Baron-Cohen, Cox, Baird, Swettenham, Nightingale, Morgan, Drew, & Charman (1992) The “Baby Sib” Approach • Study autism from birth • Need to study 100 babies just to find 4 or 5 or 15 with an ASD • Studies autism only in multiplex families – are genetics different? (Sebat et al., 2007) 95% 4-5% (or 90%) (or up to 15%) Normal ASD (With up to 10% with language or social problems) Autism Observation Scale for Infants ✔ visual tracking ✔ eye contact ✔ attentional disengagement coordination of eye gaze and action ✔ imitation affective responses ✔ social communicative behaviors sensory motor behaviors ✔ ✔ orienting to name ✔ social smiling ✔ behavioral reactivity ✔ social interest Differences at 12 months (7No ADDifference and 12 Spectrum at 24 mo) at 6 months “There are no overall differences in the number of behavioral markers observed at 6 months between siblings with an ADOS classification < Of ASD> at 24 months and other infants.” 1 Yr Well-Baby Check-Up Approach • Fast • Easy • Investigates autism as it occurs in the population • Investigates the feasibility of on-site screening and scoring as pediatric standard of care Pierce, Carter, Weinfeld, Desmond, Hazin, Gallagher, Bjork, in Review CSBS DP Infant-Toddler Checklist Wetherby &Prizant, 2002 Social Communication Composite Expressive Speech Composite Symbolic Composite Dr. Robert Bjork, Dr. Michael Nelson, Dr. Cheryl Jennett Dr. Dr. John Kafa, Dr. Douglas Wilson, Dr. Crystal De Freitas Dr. Martin Gilboa, Dr. Patricia Juarez, Dr. George Madany, Dr. Seven Brody, Dr. Ingrid Martinez-Andree, Dr. Irene Chang Dr. Stephanie Powell, Dr. Adam Breslow, Dr. Patricia Pisinger Dr. Isabel Baratta, Dr. Sheila Cason, Dr. Thomas Neglia Dr. Stephen Balch, Dr. Randall Metsch, Dr. David Schmottlach Dr. Sonja Brion, Dr. Anna Mendenhall, Dr. Nancy Clementino Dr. Marshall Littman, Dr. Leslie McCormick, Dr. Sharon Sternfeld Dr. Cara Cohen, Dr. Nicholas Tsoulos, Dr. Elena Fishman Dr. Hilary Bowers, Dr. Albert Martinez, Dr. Genevieve Minka Dr. Wendy Chacon, Dr. Leon Kelley, Dr. Victor Lipps, Dr. Jeffrey Selzer, Dr. Lynn Herring, Dr. Teresa O’dea, Dr. Richard Walls, Dr. Vivian Tung, Dr. Christian Archambault, Dr. Veronique James, Dr. Stuart Cohen, Dr. Nancy Shiau, Dr. Linda Smith, Dr. Tevor Henderson, Dr. Cheryl Morrell, Dr. Josef Zwass, Dr. Lon Dubeye, Dr. Andrea Siano, Dr. Aida Martinez, Dr. Rachel Ireland, Dr. Louis Luevanos Dr. Laurie Tyrrell, Dr. John Cella, Dr. Jill Gustafson, Dr. Rosemary Page, Dr. David Steele, Dr. Carlos Quiros, Dr. Brian Chu, Dr. Kathleen Jones, Dr. James Moseman, Dr. Laurence Ashbacher, Dr. Theresa Dailey, Dr. Frederick Frumin,Dr. Nicholas Levy, Dr. Julie Snyder Block, Dr. Lori Taylor, Dr. Rosalind Dockweiler, Dr. Christine Wood, Dr. William Hitchcock, Dr. Robert Warner, Dr. Sheetal Gandhi, Dr. Suzanne Mills, Dr. Mona Sobel, Dr. Craig Duck, Dr. James Hay, Dr. Georgine Jorgensen, Dr. Richard Payne, Dr. James Quigley, Dr. Richard Buchta, Dr. Ann Marie Engfelt, Dr. Benjamin Siegel, Dr. Lori Gould, Dr. Micelle Sanford Dr. Annie Kupelian, Dr. Paula Grayson, Dr. Raha Shaw, Dr. Gary Chun, Dr. Matilda Remba, Dr. Janna Cataldo, Dr. Nicole Gorton, Dr. Bret Gerber, Dr. Denise Brownlee, Dr. Stuart Rubenstein, Dr. Peggy Manuel, Dr. Veda Wu, Dr. Michael Berent, Dr. GargiKubal, Dr. Norman Gollub, Dr. Teresa Hardisty, Dr. Jeanne Montal, Dr. Katrina Durkee, Dr. Kamei Tolba, Dr. Carol Hart, Dr. Dennis Butler, Dr. Howard Mehl, Dr. Marta Awdykovych, Dr. UmaNarayan, Dr. Richard McNeal, Dr. Marta Awdykovych Dr. Richard McNeal, Dr. Jennie Ou, Dr. Howard Smart, Dr. NeethiRatnesar, Dr. Fujii, Dr. Mattson, Dr. Norman, Dr. Sauer, Dr. Gabriela Mogrovejo, Dr. Julie Keeler, Dr. Liz Hourihan, Dr. Dania Lindenberg, Dr. Dori Mortimer, Dr. Marvin Comprehensive Developmental Tracking 12 months 18 months 24months 30 months 36 months Language Language Language Cognitive Cognitive Cognitive ADOS ADOS ADOS Experimental Experimental Final Diagnosis: ADI Experimental Private Consultation Private Consultation and test score review and test score review Private Consultation TREATMENT if: MA < CA TREATMENT if: MA < CA And test score review ≈ Two hours per visit. Two visits per age point Also Includes parent interview Analyzing Patterns of Eye Gaze: Predictors of Risk for an ASD? Typical Infants are Socially Interested 9 MINUTE old infants prefer faces over non-face patterns Goren 1975, Replicated by Johnson 1991 3-4 Month old infants prefer happy to angry sounds Klin et al. 2002 Viewer with Autism Viewer with Typical Dev Am J Psychiatry 159:6, June 2002, “ Results revealed that none of the 6-month old infants previously identified as showing lower rates of eye contact had any signs of autism at outcome. “ 138 Toddlers Age Range 12-43 Months ASD (28) Poor Calibration, Fussy, Technical issues, Looked away > 50% of trials N AGE ADOS MULLEN Total 37 26 mo 16 68 (14-43 mo) (8-22) 53-101 DD 22 22 mo (12-41 mo) 6 (0-7) 71 35-84 Typical 51 24 mo (12-43 mo) 1.8 (0-7) 109 88-132 Pierce et al., (2010) Archives of General Psychiatry WHAT TO LOOK FOR 1. PREFERENCE FOR SOCIAL IMAGES 14 months 15 months 16 months Pierce et al., 2010 Sleep MRI 2-year old with autism:Before Surgery 2-Year old with autism: After Surgery CUTE HAT Why study LANGUAGE? Vocabulary (words) 600 300 50 Birth 8 12 16 24 Age (mo) 11 8 36 Charman et al., 2003 IMPAIRED: UNUSUAL FEATURES: Pragmatics Odd Inflection and Prosody (Tager-Flusberg et al., 2005) (usually monotone) Phonology Stereotyped speech Syntax Immediate and delayed echolalia Semantics Slide courtesy E. Redcay Why study LATERALITY? • Hemispheric specialization is crucial aspect of language development • Structural asymmetries in language areas prenatal in origin • In older children and adults, left hemisphere predominance of language response, especially in frontal and temporal cortex • Greater right hemisphere involvement in pragmatics • Less known about normal development of functional asymmetries or how this may go awry in ASD Brain Response to Speech During Sleep? 3 month old infant From Dehaene-Lambertz et al., (2002, Science) Current Study • Goals – Extend prior work to include infants and toddlers with subsequent confirmation of ASD – Examine development of left-hemisphere predominance of language response in typical children and laterality abnormalities in ASD • Participants ASD (n=23) Typical (n=20) Mean Age in months 32.1 25.2 Age Range in months 14.5 - 47.6 13.2 - 45.3 18 11 Mullen Receptive Language Age in months 20.2 25.3 Mullen Receptive Visual Age in months 27.6 23.9 ADOS Score 13.3 1.9 Number of boys Brain Response to a Bedtime Story in Sleeping Infants and Toddlers 1.0 Effect Size (Eta2) 0.0 Typical (n=20) ASD (n=23) UCSD AUTISM CENTER OF EXCELLENCE Exploration Patterns Blood Based Immune Markers Resting Functional Connectivity Brain Response to Emotion Sounds White Matter Profile Language Profile Patterns of Eye Gaze Gene Expression Cortical Thickness Gene Association Brain Growth Trajectory Play Behavior Thank You: Sierra www.autismsandiego.org Eric Courchesne Taran