Author

Ajitkumar P. Mulavara

KBR (United States)

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Neuroscience· 7

Signature Assays, Organisms & Methods

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Organism:human· 7 Assay:imaging· 6 Approach:statistical model· 6 Research Focus:cell-cell communication· 2 Research Focus:clustering· 2 Research Focus:differential expression· 2 Research Focus:spatial domain detection· 2 Research Focus:cell type annotation· 1

Frequent Co-Authors

Heather R. McGregoriD· 7 shared Jacob J. BloombergiD· 7 shared Nichole E. Beltran· 7 shared Rachael D. SeidleriD· 7 shared Yiri E. De Dios· 7 shared Igor S. Kofman· 5 shared Scott J. WoodiD· 5 shared Edwin R. MulderiD· 4 shared

Activity by Year

2020-2023 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 44 mutual co-author links

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7 shared papersNeuroscience

Heather R. McGregorORCID

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Author profile →

7 papers

Recent·Most cited

Artificial Gravity During a Spaceflight Analog Alters Brain Sensory Connectivity

Heather R. McGregor, Jessica K. Lee, Edwin R. Mulder, Yiri E. De Dios, Nichole E. Beltran, Scott J. Wood, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Rachael D. Seidler

This study examines how artificial gravity affects brain functional connectivity during bed rest, finding differential changes in somatosensory regions and mobility outcomes between groups receiving continuous vs. intermittent artificial gravity.

NeuroImage · Jul 6, 2023Peer-reviewedNeuroscience

Impacts of Spaceflight Experience on Human Brain Structure

Heather R. McGregor, Kathleen E. Hupfeld, Ofer Pasternak, Nichole E. Beltran, Yiri E. De Dios, Jacob J. Bloomberg, Scott J. Wood, Ajitkumar P. Mulavara, Roy Riascos, Patricia A. Reuter‐Lorenz, Rachael D. Seidler

This study examines how spaceflight duration and prior experience affect brain structure in astronauts, finding greater ventricular expansion and white matter decline with longer missions and more prior flights.

Scientific Reports · Jun 8, 2023Peer-reviewedNeuroscience

Daily Artificial Gravity is Associated with Greater Neural Efficiency during Sensorimotor Adaptation

Grant D. Tays, Kathleen E. Hupfeld, Heather R. McGregor, Nichole E. Beltran, Igor S. Kofman, Yiri E. De Dios, Edwin R. Mulder, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Scott J. Wood, Rachael D. Seidler

This study shows that daily artificial gravity reduces brain activation during sensorimotor adaptation compared to head-down tilt bed rest.

Cerebral Cortex · Mar 14, 2023Peer-reviewedNeuroscience

The effects of long duration spaceflight on sensorimotor control and cognition

Grant D. Tays, Kathleen E. Hupfeld, Heather R. McGregor, Ana Paula Salazar, Yiri E. De Dios, Nichole E. Beltran, Patricia A. Reuter‐Lorenz, Igor S. Kofman, Scott J. Wood, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Rachael D. Seidler

This study examines how long-duration spaceflight affects sensorimotor control and cognition, finding transient declines in mobility, balance, and bimanual coordination that recover within 30 days, while cognitive performance remains stable.

Frontiers in Neural Circuits · Oct 26, 2021Peer-reviewedNeuroscience

MRI-Visible Perivascular Space (PVS) Changes with Long-Duration Spaceflight

Kathleen E. Hupfeld, Sutton B. Richmond, Heather R. McGregor, Daniel L. Schwartz, Madison N. Luther, Nichole E. Beltran, Igor S. Kofman, Yiri E. De Dios, Roy Riascos, Scott J. Wood, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Lisa C. Silbert, Jeffrey J. Iliff, Rachael D. Seidler, Juan A. Piantino

This study examines how spaceflight affects MRI-visible perivascular spaces (PVSs) in astronauts, finding that novice astronauts show increased PVS volume post-flight, while experienced astronauts show baseline correlations between flight days and PVS length.

bioRxiv · Aug 26, 2021 · PreprintNeuroscience

Ophthalmic Changes in a Spaceflight Analog Are Associated with Brain Functional Reorganization

Heather R. McGregor, Jessica K. Lee, Edwin R. Mulder, Yiri E. De Dios, Nichole E. Beltran, Igor S. Kofman, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Scott M. Smith, Sara R. Zwart, Rachael D. Seidler

This study examines resting-state functional connectivity changes in a spaceflight analog, finding distinct patterns in those who develop optic disc edema compared to those who do not.

Human Brain Mapping · Jun 9, 2021Peer-reviewedNeuroscience

Brain Connectivity and Behavioral Changes in aSpaceflight Analog Environment with Elevated CO2

Heather R. McGregor, Jessica K. Lee, Edwin R. Mulder, Yiri E. De Dios, Nichole E. Beltran, Igor S. Kofman, Jacob J. Bloomberg, Ajitkumar P. Mulavara, Rachael D. Seidler

This study examines how a spaceflight analog environment with elevated CO2 affects brain connectivity and sensorimotor performance over time.

NeuroImage · Oct 16, 2020Peer-reviewedNeuroscience