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2/5 CAPER Computerized assessment of psychosis risk

Award Number: R01MH120088
ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 04/01/2020
PERIOD OF PERFORMANCE END DATE: 02/28/2025

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2/5 CAPER Computerized assessment of psychosis risk - Summary Research suggests that early identification of individuals at clinical high risk (CHR) for psychosis may be able to improve illness course. Studies suggest that early identification of CHR using specialized interviews with help-seeking individuals (with attenuated psychosis symptoms) is a useful approach. This work has two major limitations: 1) interview methods have limited specificity as only 20% of CHR individuals convert to psychosis, and 2) the expertise needed to make CHR diagnosis is only accessible in a few academic centers. We propose to develop a new psychosis symptom domain sensitive (PSDS) battery, prioritizing tasks that show correlations with the symptoms that define psychosis and are tied to the neurobiological systems and computational mechanisms implicated in these symptoms. To promote accessibility, we utilize behavioral tasks that could be administered over the internet; this will set the stage for later research testing widespread screening that would identify those most in need of in-depth assessment. To reach that goal we first need determine which tasks are effective for predicting illness course and how this strategy compares to published prediction methods. We propose to recruit 500 CHR participants, 500 help-seeking individuals, and 500 healthy controls across 5 sites with the following Aims: Aim 1A) To develop a psychosis risk calculator through the application of machine learning (ML) methods to the measures from the PSDS battery. In an exploratory ML historical analysis, we will determine the added value of combining the PSDS with self-report measures and predicators;Aim 1B) We will evaluate group differences on the risk calculator score and hypothesize that the risk calculator score of the CHR group will differ from help-seeking and healthy controls. We further hypothesize that the risk calculator score of the CHR converters will differ significantly from groups of CHR nonconverters, help-seeking and healthy controls. The inclusion of a help-seeking group is critical for translating the risk-calculator into clinical practice, where the goal is to differentiate those at greatest risk for psychosis from those with other forms of psychopathology; Aim 1C): Evaluate how baseline PSDS performance relates to symptomatic outcome 2 years later examining: 1) symptomatic worsening treated as a continuous variable, and 2) conversion to psychosis. We hypothesize that the PSDS calculator: 1) will predict symptom course and, 2) that the differences observed between converters and nonconverters will be larger on the PSDS calculator than on the NAPLS calculator. Aim 2) Use ML methods, as above, to develop calculators that predict: 2A) social, and, 2B) role function deterioration, both observed over two years. Because negative are more strongly linked to functional outcome than positive symptoms, we predict that negative mechanism tasks will be the strongest predictor of functional decline in both domains.This project will provide a next-generation CHR battery, tied to illness mechanisms and powered by cutting-edge computational methods that can be used to facilitate the earliest possible detection of psychosis risk.


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: 2024 ( Subtotal = $395,714 )
2024	2024	NORTHWESTERN UNIVERSITY	633 CLARK ST	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	000	5	2/21/2024	NON-COMPETING CONTINUATION	$356,143
2024	2024	NORTHWESTERN UNIVERSITY	633 CLARK ST	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	001	5	8/14/2024	NON-COMPETING CONTINUATION	$39,571
														Subtotal = $395,714

Issue Date FY: 2023 ( Subtotal = $395,714 )
2023	2023	NORTHWESTERN UNIVERSITY	633 CLARK STREET	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	000	4	2/24/2023	NON-COMPETING CONTINUATION	$395,714
														Subtotal = $395,714

Issue Date FY: 2022 ( Subtotal = $395,714 )
2022	2022	NORTHWESTERN UNIVERSITY	633 CLARK	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	000	3	3/15/2022	NON-COMPETING CONTINUATION	$356,140
2022	2022	NORTHWESTERN UNIVERSITY	633 CLARK	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	001	3	5/23/2022	NON-COMPETING CONTINUATION	$39,574
														Subtotal = $395,714

Issue Date FY: 2021 ( Subtotal = $387,064 )
2021	2021	NORTHWESTERN UNIVERSITY	633 CLARK	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	000	2	4/29/2021	NON-COMPETING CONTINUATION	$387,064
														Subtotal = $387,064

Issue Date FY: 2020 ( Subtotal = $377,685 )
2020	2020	NORTHWESTERN UNIVERSITY	633 CLARK	EVANSTON	IL	60208	COOK	USA	Mental Health Research Grants	000	1	3/6/2020	NEW	$377,685
														Subtotal = $377,685

Grand Total All Awards = $1,951,891

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2/5 CAPER Computerized assessment of psychosis risk

Award Number: R01MH120088

ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 04/01/2020

PERIOD OF PERFORMANCE END DATE: 02/28/2025

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