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Attention on inattention: Dissecting the causal mechanisms of adult ADHD features

Project description

Attention deficit hyperactivity disorder causal mechanisms

Adult ADHD diagnoses are rising, especially following the COVID-19 pandemic. This trend raises questions about whether adult symptoms reflect childhood ADHD or are connected to other mental health conditions. The ERC-funded AT-TENSION project aims to search for answers. Specifically, it will combine psychology, genomics, and data science. It will conduct a genome-wide study of adult ADHD features using large biobanks and assess the influence of environmental factors, including stress and lifestyle, as well as the impact of the COVID-19 pandemic. Additionally, the project will develop a screening tool for more accurate detection of adult ADHD, leveraging machine learning and genetic data. The findings will enhance mental health assessments through genomics.

Objective

The world is witnessing a sharp rise in adult attention deficit hyperactivity disorder (ADHD) diagnoses, especially after the COVID-19 pandemic. While historically considered a childhood neurodevelopmental disorder, an increasing number of adults are now seeking help for impairing ADHD-like features like inattention, disorganization, restlessness, impulsivity, forgetfulness and emotional dysregulation. Strikingly little is known about the mechanisms causing specific adult ADHD features, raising a key question: Are adult ADHD features truly the same as childhood ADHD, or do they rather reflect other mental conditions with overlapping symptoms? Substantial phenotypic overlap of mental health conditions and lack of precise screening tools make accurate detection of adult ADHD extremely challenging and error prone. Modern mental health care critically needs advanced, biology-informed methods to differentiate mental conditions with greater accuracy.

AT-TENSION combines psychology, genomics and data science to dissect the causal mechanisms underlying adult ADHD features and to propose an innovative framework for genomics-informed screening tool development. We will (i) determine diverse genetic mechanisms and causal links with other mental conditions by conducting a pioneering genome-wide investigation of specific adult ADHD features across five large biobanks; (ii) quantify the impact of diverse environmental factors like stress, lifestyle and COVID-19 pandemic on adult ADHD features across life stages and genders; (iii) develop and test a novel genomics-informed screening tool for more accurate ADHD detection in adults by using machine learning and genomics. The goals are achieved by innovatively combining three large-scale data layers: self-reported, electronic health records and genetic data. AT-TENSION aims to redefine our current conceptualization of adult ADHD and revolutionize mental health psychometrics by integrating genomics into screening tool development.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2025-STG

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Host institution

TARTU ULIKOOL
Net EU contribution
€ 1 499 750,00
Address
ULIKOOLI 18
51005 Tartu
Estonia
Region
Eesti Eesti Lõuna-Eesti
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 499 750,00

Beneficiaries (1)