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Author Profile and Citation Metrics

OpenAlex records Carolyn M. Costigan (ORCID 0000-0001-5144-7142) with 80 works, 1,479 citations, and an h-index of 18. Her peak citation year was 2013 (708 citations), driven largely by a landmark FODMAP-MRI study Most-cited work: FODMAP MRI study. Productivity resumed recently (17 works in 2023-2025) but with minimal recent citations, a normal lag for clinical MRI papers.

Authorship Position and Scientific Role

Across all ten top works, Costigan holds middle author positions, never first or last, on teams led by Marciani, Hoad, Murray, Chaddock, Lam, Anblagan, Hussein, and Chowdhury T1 liver fibrosis MRI studyFetal MRI smoking study. This pattern is consistent with a role as an MRI radiographer/technologist or imaging specialist within the Nottingham gastroenterology-MRI group, essential but not leading study design. Her research spans IBS, liver fibrosis T1 mapping, gastric emptying, fetal imaging, and nasogastric feeding physiology Nasogastric feeding MRI study.

Scientific Strength and Limitations

Strengths: sustained contribution to methodologically rigorous, blinded, MRI-based GI physiology; publication record spans high-impact venues (Annals of Surgery, AJG, PLoS ONE) with a decade-long arc from 2010-2025 and an h-index of 18 that reflects durable influence for a technical-track researcher. Limitations/unknowns: OpenAlex lists no primary institution currently; most top works are in small healthy-volunteer cohorts (typical n ~ 10-20 per MRI feeding study), limiting generalizability; the top FODMAP study used healthy subjects, not IBS patients directly Healthy-subject design caveat. No data are available on grants, independent funding, or first-author mentorship, so leadership potential cannot be assessed.

 BGPT Author Review

Scientific Quality

H-index 18 and 1,479 citations over 80 works indicate solid, mid-tier research influence, but all top works are middle-author positions with no evidence of independent leadership, first-author papers, or grant-holding. The impact is inherited from group seniority (Spiller, Gowland, Marciani), not demonstrated personal scientific direction.

Communication Quality

Publications appear in high-quality, well-edited venues with clear objectives per abstracts; however, with no sole-authored or first-authored work, her individual communication skill is unmeasurable from the record.

Author Novelty

She contributed to genuinely novel methodology (MRI quantification of FODMAP effects, T1 fibrosis mapping, non-radiation transit tests), but as a supporting technologist; no independent conceptual novelty is attributable.

Scientific Rigor

Her groups used blinded operators, validated repeatability metrics, and controlled healthy-volunteer designs, which is strong. However, small samples and healthy-subject designs limit generalizability, and her individual rigor cannot be separated from the team.