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Researcher · Indiana University – Purdue University Indianapolis · United States

Christopher M. Callahan

Christopher M. Callahan publishes mostly in Psychiatry and Mental health, General Health Professions and Physiology, on topics such as Dementia and Cognitive Impairment Research, Geriatric Care and Nursing Homes and Palliative Care and End-of-Life Issues.

ORCID 0000-0002-4617-6672 OpenAlex
World rank
#48,128
of 1,633,909 ranked researchers
Rank in United States
#22,146
of 358,040
Works
42
Citations
313
Citations per work
7.5

What does Christopher M. Callahan research?

Psychiatry and Mental health: 16.7%General Health Professions: 16.7%Physiology: 10.4%Public Health, Environmental and Occupational Health: 10.4%other fields: 45.8%17%top field
Psychiatry and Mental health16.7%General Health Professions16.7%Physiology10.4%Public Health, Environmental and Occupational Health10.4%other fields45.8%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Psychiatry and Mental health17% of their works
  2. 2General Health Professions17% of their works
  3. 3Physiology10% of their works
  4. 4Public Health, Environmental and Occupational Health10% of their works
  5. 5Neurology6% of their works
  6. 6Social Psychology4% of their works

Research topics

Which keywords describe Christopher M. Callahan's research?

The keywords of their largest research topics: Aging, Alzheimer's Disease, Mild Cognitive Impairment, Nursing Home, Quality of Care, Mortality Risk, Public Health and End-of-Life.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Aging82 topics
  2. Alzheimer's Disease61 topic
  3. Mild Cognitive Impairment61 topic
  4. Nursing Home51 topic
  5. Quality of Care51 topic
  6. Mortality Risk42 topics
  7. Public Health42 topics
  8. End-of-Life31 topic
  9. Palliative Care31 topic
  10. Exercise21 topic
  11. Frailty21 topic
  12. Geriatric Assessment21 topic
  13. Physical Activity21 topic
  14. Social Relationships21 topic
  15. Socioeconomic Inequalities21 topic
  16. AMP-Activated Protein Kinase11 topic
  17. Agriculture11 topic
  18. Climate Change11 topic
  19. Metformin11 topic

Where does Christopher M. Callahan work?

Christopher M. Callahan's main affiliation in the publication record is Indiana University – Purdue University Indianapolis, United States.

How many publications and citations does Christopher M. Callahan have?

Science Explorer counts 42 works and 313 citations for Christopher M. Callahan, ranking #48,128 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.