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A Multimodal Assessment Protocol for Characterizing Restricted and Repetitive Behaviors in Autism

Award Number: R01MH138412
ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 07/06/2026
PERIOD OF PERFORMANCE END DATE: 06/30/2031

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A Multimodal Assessment Protocol for Characterizing Restricted and Repetitive Behaviors in Autism - Project Summary/Abstract The overarching aim of the proposed project is to develop and validate novel, multimodal, scalable, time- and cost-efficient assessment protocol for comprehensive characterization of key subdomains of restricted and repetitive behaviors (RRB) that can assist in the diagnostic process, facilitating etiologically oriented research, the treatment selection, and monitoring symptomatology over time. Although RRB are a core, clinically impactful feature of autism spectrum disorder (ASD), existing measures are limited by poor ability to comprehensively capture all relevant RRB subdomains and currently, there are no dedicated clinician interviews nor protocols to capture and quantify daily variations of distinct RRBs in ASD or in neurogenetic disorders. In the proposed project, we will build on the Dimensional Assessment of Restricted and Repetitive Behaviors (DARB), an informant-report questionnaire developed and validated by our group following the NIH Patient-Reported Outcome Measurement Information System framework. DARB has a comprehensive item bank developed to assess eight distinct RRB subdomains and has been shown to have a stable and replicable 8-factor structure, strong model and conditional reliability, invariance across age, sex and diagnostic status, and excellent test-retest replicability. In the current proposal, we will aim to: develop and validate the computerized adaptive test (CAT) version of the DARB (DARB-CAT) to maximize precision and reduce patient burden by individually tailored item selection and administration (Specific Aim 1), refine and validate a clinician interview version of the DARB (DARB-I) (Specific Aim 2) and develop an ecological momentary assessment (EMA) RRB protocol (DARB-EMA) to capture daily and weekly changes in specific RRB and contexts in which they occur (Specific Aim 3). We will also develop and pilot a platform that will integrate the administration, scoring and reporting of the DARB-CAT, DARB-I and DARB-EMA components (Exploratory Aim 4). Finally, we will explore mechanisms underlying RRB subdomains (Exploratory Aim 5). This project will generate the world’s first comprehensive, multimodal RRB assessment ecosystem incorporating state-of-the-art psychometric principles that will have a significant potential to enhance the pathway from screening to clinical and neurobiological characterization to treatment tailoring and tracking.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $767,029 )
2026	2026	THE LELAND STANFORD JUNIOR UNIVERSITY	450 JANE STANFORD WAY	STANFORD	CA	94305	SANTA CLARA	USA	Mental Health Research Grants	000	1	7/9/2026	NEW	$767,029
														Subtotal = $767,029

Grand Total All Awards = $767,029

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A Multimodal Assessment Protocol for Characterizing Restricted and Repetitive Behaviors in Autism

Award Number: R01MH138412

ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 07/06/2026

PERIOD OF PERFORMANCE END DATE: 06/30/2031

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