Robert J. Brychta

11.8k citations

87 papers · 6.6k indexed · 4 hit papers · h-index 39

Physiology top 0.2%
Public Health, Environmental and Occupational Health top 0.5%
Epidemiology top 5%
Cardiology and Cardiovascular Medicine top 2%
Molecular Biology

Co-authors: Kong Y. Chen Richard P. Troiano James J. McClain Joyce D. Linderman Annemarie Koster Francesco S. Celi Susan M. Smith Paolo Caserotti
Topics: Physical Activity and Health (29 papers)Obesity, Physical Activity, Diet (27 papers)Adipose Tissue and Metabolism (18 papers)
Cited by: Physiology Rehabilitation Endocrine and Autonomic Systems
Journals: Proceedings of the National Academy of Sciences Journal of Biological Chemistry Journal of Clinical Investigation
Partner nations: United States Iceland Netherlands

In The Last Decade

Robert J. Brychta

83 papers receiving 6.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Evolution of accelerometer methods for physical activity research

2014 724 citations Robert J. Brychta, Kong Y. Chen et al. profile →
Irisin and FGF21 Are Cold-Induced Endocrine Activators of Brown Fat Function in Humans

2014 645 citations Paul Lee, Joyce D. Linderman et al. Cell Metabolism profile →
Persistent metabolic adaptation 6 years after “The Biggest Loser” competition

2016 445 citations Juen Guo, Lilian Howard et al. Obesity profile →
Mapping of human brown adipose tissue in lean and obese young men

2017 380 citations Brooks P. Leitner, Shan Huang et al. Proceedings of the National Academy of Sciences profile →

Peers

Countries citing papers authored by Robert J. Brychta

Since Specialization

Citations

This map shows the geographic impact of Robert J. Brychta's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert J. Brychta with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert J. Brychta more than expected).

Fields of papers citing papers by Robert J. Brychta

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert J. Brychta. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert J. Brychta. The network helps show where Robert J. Brychta may publish in the future.

Co-authorship network of co-authors of Robert J. Brychta

This figure shows the co-authorship network connecting the top 25 collaborators of Robert J. Brychta. A scholar is included among the top collaborators of Robert J. Brychta based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Robert J. Brychta. Robert J. Brychta is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Sexual Dimorphisms in Adult Human Brown Adipose Tissue 2020 ·Obesity ·Laura A. Fletcher,Katherine Kim,Brooks P. Leitner,Thomas M. Cassimatis,Alana O’Mara,James W. Johnson,(unknown),Suzanne McGehee,Robert J. Brychta,Aaron M. Cypess,Kong Y. Chen	35
2	Room Indirect Calorimetry Operating and Reporting Standards (RICORS 1.0): A Guide to Conducting and Reporting Human Whole‐Room Calorimeter Studies 2020 ·Obesity ·Kong Y. Chen,Steven R. Smith,Éric Ravussin,Jonathan Krakoff,Guy Plasqui,Shigeho Tanaka,Peter R. Murgatroyd,Robert J. Brychta,C. Bock,Elvis Á. Carnero,Paul F.M. Schoffelen,Yoichi Hatamoto,Corey A. Rynders,Edward L. Melanson	51
3	Less screen time and more physical activity is associated with more stable sleep patterns among Icelandic adolescents 2020 ·Sleep Health ·Soffia M. Hrafnkelsdóttir,Robert J. Brychta,(unknown),Kong Y. Chen,Erlingur Jóhannsson,Sigríður Lára Guðmundsdóttir,Sigurbjörn Á. Arngrímsson	18
4	Changes in sleep and activity from age 15 to 17 in students with traditional and college-style school schedules 2020 ·Sleep Health ·(unknown),(unknown),Sunna Gestsdóttir,Sigríður Lára Guðmundsdóttir,Kong Y. Chen,Robert J. Brychta,Erlingur Jóhannsson	9
5	Less physical activity and more varied and disrupted sleep is associated with a less favorable metabolic profile in adolescents 2020 ·PLoS ONE ·(unknown),Robert J. Brychta,Soffia M. Hrafnkelsdóttir,Kong Y. Chen,Sigurbjörn Á. Arngrímsson,Erlingur Jóhannsson,Sigríður Lára Guðmundsdóttir	14
6	Opportunities and challenges in the therapeutic activation of human energy expenditure and thermogenesis to manage obesity 2019 ·Journal of Biological Chemistry ·Kong Y. Chen,Robert J. Brychta,Zahraa Abdul Sater,Thomas M. Cassimatis,Cheryl Cero,Laura A. Fletcher,(unknown),James W. Johnson,(unknown),Joyce D. Linderman,Alana O’Mara,(unknown),Aaron M. Cypess	79
7	Quantification of the Capacity for Cold-Induced Thermogenesis in Young Men With and Without Obesity 2019 ·The Journal of Clinical Endocrinology & Metabolism ·Robert J. Brychta,Shan Huang,Juan Wang,Brooks P. Leitner,(unknown),Sarah Bell,Laura A. Fletcher,(unknown),Christopher R. Idelson,Courtney J. Duckworth,Suzanne McGehee,Amber B. Courville,Shanna Bernstein,Marc L. Reitman,Aaron M. Cypess,Kong Y. Chen	28
8	Dynamic sitting: Measurement and associations with metabolic health 2019 ·Journal of Sports Sciences ·Julianne D. van der Berg,Coen D.A. Stehouwer,Hans Bosma,Paolo Caserotti,Guðný Eiríksdóttir,Nanna Ýr Arnardóttir,Dane R. Van Domelen,Robert J. Brychta,Kong Y. Chen,Þórarinn Sveinsson,Erlingur Jóhannsson,Lenore J. Launer,Vilmundur Guðnason,Pálmi V. Jónsson,Tamara B. Harris,Annemarie Koster	9
9	Metreleptin-mediated improvements in insulin sensitivity are independent of food intake in humans with lipodystrophy 2018 ·Journal of Clinical Investigation ·Rebecca J. Brown,(unknown),Megan Startzell,Elaine Cochran,Peter J. Walter,H. Martin Garraffo,Hongyi Cai,Ahmed M. Gharib,Ronald Ouwerkerk,Amber B. Courville,Shanna Bernstein,Robert J. Brychta,Kong Y. Chen,Mary Walter,Sungyoung Auh,Phillip Görden	74
10	Less screen time and more frequent vigorous physical activity is associated with lower risk of reporting negative mental health symptoms among Icelandic adolescents 2018 ·PLoS ONE ·Soffia M. Hrafnkelsdóttir,Robert J. Brychta,(unknown),Sunna Gestsdóttir,Kong Y. Chen,Erlingur Jóhannsson,Sigríður Lára Guðmundsdóttir,Sigurbjörn Á. Arngrímsson	90
11	Hreyfing og svefn reykvískra ungmenna 2018 ·Læknablaðið ·(unknown),(unknown),Robert J. Brychta,Soffia M. Hrafnkelsdóttir,Sigurbjörn Á. Arngrímsson,Erlingur Jóhannsson,Kong Y. Chen,Sigríður Lára Guðmundsdóttir,(unknown)	7
12	Mapping of human brown adipose tissue in lean and obese young menbreakdown → 2017 ·Proceedings of the National Academy of Sciences ·Brooks P. Leitner,Shan Huang,Robert J. Brychta,Courtney J. Duckworth,Alison S. Baskin,Suzanne McGehee,Ṭal Ilan,William J. Dieckmann,Garima Gupta,Gerald M. Kolodny,Karel Pacák,Peter Herscovitch,Aaron M. Cypess,Kong Y. Chen	380
13	Calorie for Calorie, Dietary Fat Restriction Results in More Body Fat Loss than Carbohydrate Restriction in People with Obesity 2015 ·Cell Metabolism ·Kevin D. Hall,(unknown),Robert J. Brychta,Kong Y. Chen,Amber B. Courville,(unknown),(unknown),Juen Guo,Lilian Howard,Nicolas D. Knuth,Bernard V. Miller,Carla M. Prado,Mario Siervo,Monica C. Skarulis,Mary Walter,Peter J. Walter,(unknown)	7
14	Association of change in brain structure to objectively measured physical activity and sedentary behavior in older adults: Age, Gene/Environment Susceptibility-Reykjavik Study 2015 ·Behavioural Brain Research ·Nanna Ýr Arnardóttir,Annemarie Koster,Dane R. Van Domelen,Robert J. Brychta,Paolo Caserotti,Guðný Eiríksdóttir,Jóhanna Eyrún Sverrisdottir,Sigurður Sigurdsson,Erlingur Jóhannsson,Kong Y. Chen,Vilmundur Guðnason,Tamara B. Harris,Lenore J. Launer,Þórarinn Sveinsson	59
15	Moderate Weight Loss Is Sufficient to Affect Thyroid Hormone Homeostasis and Inhibit Its Peripheral Conversion 2014 ·Thyroid ·Ritesh Agnihothri,Amber B. Courville,Joyce D. Linderman,Susan M. Smith,Robert J. Brychta,Alan T. Remaley,Kong Y. Chen,L Simchowitz,Francesco S. Celi	71
16	Is There a Sex Difference in Accelerometer Counts During Walking in Older Adults? 2014 ·Journal of Physical Activity and Health ·Dane R. Van Domelen,Paolo Caserotti,Robert J. Brychta,Tamara B. Harris,Kushang V. Patel,Kong Y. Chen,Nanna Ýr Arnardóttir,(unknown),Lenore J. Launer,Vilmundur Guðnason,Þórarinn Sveinsson,Erlingur Jóhannsson,Annemarie Koster	7
17	Irisin and FGF21 Are Cold-Induced Endocrine Activators of Brown Fat Function in Humansbreakdown → 2014 ·Cell Metabolism ·Paul Lee,Joyce D. Linderman,Susan M. Smith,Robert J. Brychta,Juan Wang,Christopher R. Idelson,(unknown),(unknown),Giao Q. Phan,Udai S. Kammula,Electron Kebebew,Karel Pacák,Kong Y. Chen,Francesco S. Celi	645
18	Self-Reported Adherence to the Physical Activity Recommendation and Determinants of Misperception in Older Adults 2014 ·Journal of Aging and Physical Activity ·Marjolein Visser,Robert J. Brychta,Kong Y. Chen,Annemarie Koster	44
19	Objective measurements of daily physical activity patterns and sedentary behaviour in older adults: Age, Gene/Environment Susceptibility-Reykjavik Study 2012 ·Age and Ageing ·Nanna Ýr Arnardóttir,Annemarie Koster,Dane R. Van Domelen,Robert J. Brychta,Paolo Caserotti,Guðný Eiríksdóttir,Jóhanna Eyrún Sverrisdottir,Lenore J. Launer,Vilmundur Guðnason,Erlingur Jóhannsson,Tamara B. Harris,Kong Y. Chen,Þórarinn Sveinsson	137
20	Association of Sedentary Time with Mortality Independent of Moderate to Vigorous Physical Activity 2012 ·PLoS ONE ·Annemarie Koster,Paolo Caserotti,Kushang V. Patel,Charles E. Matthews,David Berrigan,Dane R. Van Domelen,Robert J. Brychta,Kong Y. Chen,Tamara B. Harris	265

About Robert J. Brychta

Robert J. Brychta is a scholar working on Physiology, Rehabilitation and Endocrine and Autonomic Systems, having authored 87 papers that have together received 6.6k indexed citations. Recurring topics across this work include Physical Activity and Health (29 papers), Obesity, Physical Activity, Diet (27 papers) and Adipose Tissue and Metabolism (18 papers). The work is most often cited by research in Physiology (4.5k citations), Rehabilitation (588 citations) and Endocrine and Autonomic Systems (479 citations). Robert J. Brychta has collaborated with scholars based in United States, Iceland and Netherlands. Frequent co-authors include Kong Y. Chen, Richard P. Troiano, James J. McClain, Joyce D. Linderman, Annemarie Koster, Francesco S. Celi, Susan M. Smith, Paolo Caserotti, Monica C. Skarulis and David Berrigan. Their work appears in journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Journal of Clinical Investigation.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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