D J Kupfer

34.6k total citations · 1 hit paper
13 papers, 26.0k citations indexed

About

D J Kupfer is a scholar working on Cognitive Neuroscience, Experimental and Cognitive Psychology and Endocrine and Autonomic Systems. According to data from OpenAlex, D J Kupfer has authored 13 papers receiving a total of 26.0k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Cognitive Neuroscience, 5 papers in Experimental and Cognitive Psychology and 3 papers in Endocrine and Autonomic Systems. Recurrent topics in D J Kupfer's work include Sleep and Wakefulness Research (7 papers), Sleep and related disorders (5 papers) and Obstructive Sleep Apnea Research (3 papers). D J Kupfer is often cited by papers focused on Sleep and Wakefulness Research (7 papers), Sleep and related disorders (5 papers) and Obstructive Sleep Apnea Research (3 papers). D J Kupfer collaborates with scholars based in United States. D J Kupfer's co-authors include Charles F. Reynolds, Susan Berman, Daniel J. Buysse, F. G. Foster, Carolyn C. Hoch, Jacqueline Stack, Patricia R. Houck, Daniel J. Buysse, David B. Jarrett and T. H. Monk and has published in prestigious journals such as The Lancet, American Journal of Psychiatry and Psychiatry Research.

In The Last Decade

D J Kupfer

12 papers receiving 25.2k 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.

The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research

1989 25.4k citations Daniel J. Buysse, Charles F. Reynolds et al. Psychiatry Research profile →

Peers

D J Kupfer

ECP

CN

CP

PHYSI

EAS

Susan Berman United States

Daniel J. Buysse United States

Maurice M. Ohayon United States

Michael V. Vitiello United States

Mary A. Carskadon United States

Dieter Riemann Germany

Charles M. Morin Canada

Thomas Roth United States

Patricia R. Houck United States

Edward O. Bixler United States

Susan Berman United States

D J Kupfer

15.5k ×1.0

ECP

8.5k ×1.1

CN

4.5k ×1.1

CP

3.8k ×1.0

PHYSI

3.2k ×1.0

EAS

Citations per year, relative to D J Kupfer D J Kupfer (= 1×) peers Susan Berman

Countries citing papers authored by D J Kupfer

Since Specialization

Citations

This map shows the geographic impact of D J Kupfer'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 D J Kupfer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites D J Kupfer more than expected).

Fields of papers citing papers by D J Kupfer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by D J Kupfer. 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 D J Kupfer. The network helps show where D J Kupfer may publish in the future.

Co-authorship network of co-authors of D J Kupfer

This figure shows the co-authorship network connecting the top 25 collaborators of D J Kupfer. A scholar is included among the top collaborators of D J Kupfer 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 D J Kupfer. D J Kupfer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

13 of 13 papers shown

1.

Steinberg, Lynne, Ronald E. Dahl, Daniel P. Keating, et al.. (2006). Psychopathology in adolescence: Integrating affective neuroscience with the study of context: Developmental neuroscience. 710–741. 9 indexed citations

2.

Monk, T. H., Daniel J. Buysse, Charles F. Reynolds, David B. Jarrett, & D J Kupfer. (1992). Rhythmic Vs Homeostatic Influences on Mood, Activation, and Performance in Young and Old Men. Journal of Gerontology. 47(4). P221–P227. 54 indexed citations

3.

Ehlers, Cindy L., James W. Havstad, Alan Garfinkel, & D J Kupfer. (1991). Nonlinear analysis of EEG sleep states.. PubMed. 5(3). 167–76. 37 indexed citations

4.

Buysse, Daniel J., et al.. (1989). The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research. Psychiatry Research. 28(2). 193–213. 25404 indexed citations breakdown →

5.

Hoch, Carolyn C., Charles F. Reynolds, D J Kupfer, et al.. (1986). Sleep-disordered breathing in normal and pathologic aging.. PubMed. 47(10). 499–503. 89 indexed citations

6.

Reynolds, Charles F., D J Kupfer, Lynn S. Taska, et al.. (1985). Sleep apnea in Alzheimer's dementia: correlation with mental deterioration.. PubMed. 46(7). 257–61. 92 indexed citations

7.

Neil, John F., C F Reynolds, Duane G. Spiker, & D J Kupfer. (1980). Polycythaemia vera and central sleep apnoea.. BMJ. 280(6206). 19.1–19. 4 indexed citations

8.

Reynolds, C F, et al.. (1980). Similarities in EEG sleep findings for Kleine-Levin syndrome and unipolar depression. American Journal of Psychiatry. 137(1). 116–118. 20 indexed citations

9.

Coble, Patricia A., et al.. (1977). EEG sleep in a child with severe depression. American Journal of Psychiatry. 134(7). 813–814. 15 indexed citations

10.

Kupfer, D J, et al.. (1974). Psychomotor activity in affective states. Journal of Psychiatric Research. 10(3-4). 323–324. 4 indexed citations

11.

Reynolds, Charles F., et al.. (1973). Diagnostic classification of sleep disorders: implications for psychiatric practice.. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 42(8). 296–9. 5 indexed citations

12.

Kupfer, D J & F. G. Foster. (1972). INTERVAL BETWEEN ONSET OF SLEEP AND RAPID-EYE-MOVEMENT SLEEP AS AN INDICATOR OF DEPRESSION. The Lancet. 300(7779). 684–686. 260 indexed citations

13.

Steele, Thomas E., et al.. (1972). Treatment recommendations for psychiatric outpatients. Social Psychiatry and Psychiatric Epidemiology. 7(4). 180–189. 4 indexed citations

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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