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Neuroscience research has made immense progress over the last decade, but our understanding of the brain remains fragmented and piecemeal: the dream of probing an arbitrary brain region and automatically reading out the information encoded…

Calcium imaging allows for the parallel measurement of large neuronal populations in a spatially resolved and minimally invasive manner, and has become a gold-standard for neuronal functionality. While deep generative models have been…

Neurons and Cognition · Quantitative Biology 2025-10-02 Berta Ros , Mireia Olives-Verger , Caterina Fuses , Josep M Canals , Jordi Soriano , Jordi Abante

Calcium imaging has become a powerful and popular technique to monitor the activity of large populations of neurons in vivo. However, for ethical considerations and despite recent technical developments, recordings are still constrained to…

Neurons and Cognition · Quantitative Biology 2023-02-07 Bryan M. Li , Theoklitos Amvrosiadis , Nathalie Rochefort , Arno Onken

Training large language representation models has become a standard in the natural language processing community. This allows for fine tuning on any number of specific tasks, however, these large high capacity models can continue to train…

Computation and Language · Computer Science 2020-04-09 Kristjan Arumae , Parminder Bhatia

Despite the recent successes of large, pretrained neural language models (LLMs), comparatively little is known about the representations of linguistic structure they learn during pretraining, which can lead to unexpected behaviors in…

Computation and Language · Computer Science 2024-12-24 Adam Davies , Jize Jiang , ChengXiang Zhai

Following its success for vision and text, the "foundation model" (FM) paradigm -- pretraining large models on massive data, then fine-tuning on target tasks -- has rapidly expanded to domains in the sciences, engineering, healthcare, and…

Machine Learning · Computer Science 2025-03-24 Zongzhe Xu , Ritvik Gupta , Wenduo Cheng , Alexander Shen , Junhong Shen , Ameet Talwalkar , Mikhail Khodak

Scaling up model and data size have demonstrated impressive performance improvement over a wide range of tasks. Despite extensive studies on scaling behaviors for general-purpose tasks, medical images exhibit substantial differences from…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Jiarun Liu , Hong-Yu Zhou , Weijian Huang , Hao Yang , Dongning Song , Tao Tan , Yong Liang , Shanshan Wang

Understanding complex animal behaviors hinges on deciphering the neural activity patterns within brain circuits, making the ability to forecast neural activity crucial for developing predictive models of brain dynamics. This capability…

Our ability to use deep learning approaches to decipher neural activity would likely benefit from greater scale, in terms of both model size and datasets. However, the integration of many neural recordings into one unified model is…

Calcium imaging has become a fundamental neural imaging technique, aiming to recover the individual activity of hundreds of neurons in a cortical region. Current methods (mostly matrix factorization) are aimed at detecting neurons in the…

Applications · Statistics 2019-02-11 Gal Mishne , Adam S. Charles

A fundamental challenge in calcium imaging has been to infer the timing of action potentials from the measured noisy calcium fluorescence traces. We systematically evaluate a range of spike inference algorithms on a large benchmark dataset…

Recent advancements for large-scale pre-training with neural signals such as electroencephalogram (EEG) have shown promising results, significantly boosting the development of brain-computer interfaces (BCIs) and healthcare. However, these…

Signal Processing · Electrical Eng. & Systems 2025-03-21 Wei-Bang Jiang , Yansen Wang , Bao-Liang Lu , Dongsheng Li

A foundation model is a machine learning model trained on a large and diverse set of data, typically using self-supervised learning-based pre-training techniques, that can be adapted to various downstream tasks. However, current research on…

Understanding how neurons coordinate their activity is a fundamental question in neuroscience, with implications for learning, memory, and neurological disorders. Calcium imaging has emerged as a powerful method to observe large-scale…

Methodology · Statistics 2026-03-03 Laura D'Angelo , Francesco Denti , Antonio Canale , Michele Guindani

Rapid development of large-scale pre-training has resulted in foundation models that can act as effective feature extractors on a variety of downstream tasks and domains. Motivated by this, we study the efficacy of pre-trained vision models…

Machine Learning · Computer Science 2022-07-05 Oleksiy Ostapenko , Timothee Lesort , Pau Rodríguez , Md Rifat Arefin , Arthur Douillard , Irina Rish , Laurent Charlin

Despite the impressive advancements achieved using deep-learning for functional brain activity analysis, the heterogeneity of functional patterns and scarcity of imaging data still pose challenges in tasks such as prediction of future onset…

Image and Video Processing · Electrical Eng. & Systems 2023-12-25 Wenhui Cui , Haleh Akrami , Ganning Zhao , Anand A. Joshi , Richard M. Leahy

Neural recordings exhibit a distinctive form of heterogeneity rooted in differences in cell types, intrinsic circuit dynamics, and stochastic stimulus-response variability that goes beyond ordinary dataset variability, mixing statistically…

Neurons and Cognition · Quantitative Biology 2026-05-11 Sangyoon Bae , Mehdi Azabou , Blake Richards , Jiook Cha

Foundational deep learning (DL) models are general models, trained on large, diverse, and unlabelled datasets, typically using self-supervised learning techniques have led to significant advancements especially in natural language…

Signal Processing · Electrical Eng. & Systems 2024-11-18 Ahmed Aboulfotouh , Ashkan Eshaghbeigi , Dimitrios Karslidis , Hatem Abou-Zeid

Large-scale foundation models for EEG signals offer a promising path to generalizable brain-computer interface (BCI) applications, but they often suffer from misalignment between pretraining objectives and downstream tasks, as well as…

Machine Learning · Computer Science 2025-10-03 Suli Wang , Yangshen Deng , Zhenghua Bao , Xinyu Zhan , Yiqun Duan

Neural network potentials (NNPs) are crucial for accelerating computational materials science by surrogating density functional theory (DFT) calculations. Improving their accuracy is possible through pre-training and fine-tuning, where an…

Machine Learning · Computer Science 2025-05-29 Yosuke Oyama , Yusuke Majima , Eiji Ohta , Yasufumi Sakai
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