Author
University of OxfordORCID 0000-0002-0152-9294Unclaimed ORCID profile · follow to get notified of new preprints
11 papers
Recent·Most cited
Christopher A. Beaudoin, Andrew O’Keeffe, Bahman Abdi‐Sargezeh, Martin J. Gillies, Ashwini Oswal, Alexander L. Green
The paper identifies reduced entropy of subthalamic beta bursts as a predictor of freezing of gait in Parkinson's disease.
bioRxiv · Aug 21, 2026 · PreprintNeuroscience
Tao Liu, Jiaang Yao, Bahman Abdi‐Sargezeh, Abhinav Sharma, Camille Lasbareilles, Tsi Lok Ho, Jackson T S Cheung, Timothy Denison, Huiling Tan, Wolf‐Julian Neumann, Minghan Max Zhu, Sebastian Liu, Philip A. Starr, Simon J Little, Ashwini Oswal
This study shows that device-embedded accelerometry better tracks Parkinsonian motor states than neural signals during deep brain stimulation.
bioRxiv · Jul 9, 2026 · PreprintBioengineering
Christopher A. Beaudoin, Andrew O’Keeffe, Jeong Woo Choi, Amirreza Alijanpourotaghsara, Martin J. Gillies, Ashwini Oswal, Nader Pouratian, Alexander L. Green
The paper examines cortico-STN beta coupling in Parkinson's disease, finding it is confined to beta bursts rather than sustained during non-burst periods.
bioRxiv · Apr 13, 2026 · PreprintNeuroscience
Moritz Gerster, Gunnar Waterstraat, Thomas S. Binns, Natasha Darcy, Christoph Wiest, Richard M. Köhler, Jonathan Vanhoecke, Timothy O. West, Matthias Sure, Dmitry Todorov, Lukasz Radzinski, Jeroen Habets, Johannes Leon Busch, Lucia K. Feldmann, Patricia Krause, , Vadim V. Nikulin
This study shows that aperiodic broadband power, not just beta oscillations, is linked to Parkinson's disease severity and is increased in the more affected hemisphere.
EBioMedicine · Oct 29, 2025Peer-reviewedNeuroscience
Abhinav Sharma, Bahman Abdi‐Sargezeh, Amelia Hahn, Maria Shcherbakova, Wolf‐Julian Neumann, Simon J Little, Philip A. Starr, Ashwini Oswal
This study identifies neural states in Parkinson's disease patients using Hidden Markov Models and links them to bradykinesia severity through spectral and temporal features.
bioRxiv · Aug 26, 2025 · PreprintNeuroscience
Timothy O. West, Kenan Steidel, Tjalda Flessner, Alexander Calvano, Deniz Kucukahmetler, Mariëlle J. Stam, Meaghan Elizabeth Spedden, Benedikt Wahl, Veikko Jousmäki, John Eraifej, Ashwini Oswal, Tabish A. Saifee, Gareth Robert Barnes, Simon Francis Farmer, David José Pedrosa, Hayriye Cagnan
This study identifies disruptions in rhythmic brain networks in essential tremor patients during naturalistic movement, linking altered network engagement to motor deficits and tremor severity.
Neurobiology of Disease · Feb 25, 2025Peer-reviewedNeuroscience
Yao Pan, Bahman Abdi‐Sargezeh, Abhinav Sharma, Tao Liu, Huiling Tan, Amelia Hahn, Philip A. Starr, Simon J Little, Ashwini Oswal
The paper analyzes beta burst characteristics and coupling between sensorimotor cortical and subthalamic nucleus (STN) regions in Parkinson's disease patients during naturalistic behaviors.
bioRxiv · Nov 19, 2024 · PreprintNeuroscience
Bahman Abdi‐Sargezeh, Sepehr Shirani, Abhinav Sharma, Alexander L. Green, Harith Akram, Ludvic U. Zrinzo, Patricia Dowsey Limousin, Thomas Foltynie, Timothy Denison, Huiling Tan, Vladimir Litvak A, Ashwini Oswal
This paper predicts subthalamic nucleus beta bursts in Parkinson's disease using deep learning, identifying a predictive biomarker for burst onset.
bioRxiv · May 9, 2024 · PreprintNeuroscience
Chien-Hung Yeh, Yifan Xu, Wenbin Shi, James J. FitzGerald, Alexander L. Green, Petra Fischer, Huiling Tan, Ashwini Oswal
This study examines how auditory cues affect STN oscillatory activity during stepping in Parkinson's disease, finding differential modulation of beta and transient oscillations.
Brain stimulation · Apr 16, 2024Peer-reviewedNeuroscience
Ashwini Oswal, James Gratwicke, Harith Akram, Marjan Jahanshahi, László Záborszky, Peter Brown, Marwan I. Hariz, Ludvic U. Zrinzo, Thomas Foltynie, Vladimir Litvak A
The paper examines the structural and functional connectivity of the nucleus basalis of Meynert in Parkinson's disease dementia and Lewy body dementia using MEG and MRI tractography.
bioRxiv · Jul 27, 2020 · PreprintNeuroscience
Ashwini Oswal, Chien-Hung Yeh, Wolf‐Julian Neumann, James Gratwicke, Harith Akram, Andreas Horn, Ludvic U. Zrinzo, Thomas Foltynie, Patricia Dowsey Limousin, Rafał Bogacz, Masud Husain B, Peter Brown, Vladimir Litvak A
The paper identifies signatures of the hyperdirect pathway and its role in pathological network disruption in Parkinson's disease through multimodal analysis.
bioRxiv · Jun 11, 2020 · PreprintNeuroscience