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O'Brien, John T.

Department of Psychiatry, United Kingdom

2025 Rank: 3,838

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Neurology & Neurosurgery

SubField 2:

Geriatrics

Rank in SubField 1: 332 out of 360,881 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score3,8383,699
Total Cites56,15166,649
H-index112121
Hm-index4446
Number of Single Authored Papers2121
Total Cites to Single Authored Papers501524
Number of Single+First Authored Papers8080
Total Cites to Single+First Authored Papers5,7076,294
Number of Single+First+Last Authored Papers316316
Total Cites to Single+First+Last Authored Papers17,99820,449
Composite Score44
Number of Distinct Citing Papers38,53842,235
Ratio of Total Citations to Distinct Citing Papers 1.46 1.58
Self-Citation Percentage
15.75%
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O'Brien, John T.

Department of Psychiatry, United Kingdom

2022 Rank: 4,151

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Neurology & Neurosurgery

SubField 2:

Geriatrics

Rank in SubField 1: 382 out of 305,851 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score4,1514,000
Total Cites41,07649,654
H-index96103
Hm-index3941
Number of Single Authored Papers2121
Total Cites to Single Authored Papers457480
Number of Single+First Authored Papers7979
Total Cites to Single+First Authored Papers4,7185,261
Number of Single+First+Last Authored Papers311311
Total Cites to Single+First+Last Authored Papers14,09016,264
Composite Score44
Number of Distinct Citing Papers27,85530,811
Ratio of Total Citations to Distinct Citing Papers 1.47 1.61
Self-Citation Percentage
17.28%
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O'Brien, John T.

University of Cambridge, United Kingdom

2020 Rank: 4,320

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Neurology & Neurosurgery

SubField 2:

Geriatrics

Rank in SubField 1: 427 out of 227,881 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score4,3204,197
Total Cites33,63940,606
H-index8895
Hm-index3638
Number of Single Authored Papers2121
Total Cites to Single Authored Papers434457
Number of Single+First Authored Papers7373
Total Cites to Single+First Authored Papers4,1584,657
Number of Single+First+Last Authored Papers254254
Total Cites to Single+First+Last Authored Papers12,19014,002
Composite Score44
Number of Distinct Citing Papers22,50624,922
Ratio of Total Citations to Distinct Citing Papers 1.49 1.63
Self-Citation Percentage
17.16%
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