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Main Authors: Helson, Pascal, Kumar, Arvind
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2509.10547
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author Helson, Pascal
Kumar, Arvind
author_facet Helson, Pascal
Kumar, Arvind
contents Despite the diversity and volume of brain data acquired and advanced AI-based algorithms to analyze them, brain features are rarely used in clinics for diagnosis and prognosis. Here we argue that the field continues to rely on cohort comparisons to seek biomarkers, despite the well-established degeneracy of brain features. Using a thought experiment (Brain Swap), we show that more data and more powerful algorithms will not be sufficient to identify biomarkers of brain diseases. We argue that instead of comparing patient versus healthy controls using single data type, we should use multimodal (e.g. brain activity, neurotransmitters, neuromodulators, brain imaging) and longitudinal brain data to guide the grouping before defining multidimensional biomarkers for brain diseases.
format Preprint
id arxiv_https___arxiv_org_abs_2509_10547
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Pursuit of biomarkers of brain diseases: Beyond cohort comparisons
Helson, Pascal
Kumar, Arvind
Neurons and Cognition
Artificial Intelligence
Machine Learning
Despite the diversity and volume of brain data acquired and advanced AI-based algorithms to analyze them, brain features are rarely used in clinics for diagnosis and prognosis. Here we argue that the field continues to rely on cohort comparisons to seek biomarkers, despite the well-established degeneracy of brain features. Using a thought experiment (Brain Swap), we show that more data and more powerful algorithms will not be sufficient to identify biomarkers of brain diseases. We argue that instead of comparing patient versus healthy controls using single data type, we should use multimodal (e.g. brain activity, neurotransmitters, neuromodulators, brain imaging) and longitudinal brain data to guide the grouping before defining multidimensional biomarkers for brain diseases.
title Pursuit of biomarkers of brain diseases: Beyond cohort comparisons
topic Neurons and Cognition
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2509.10547