Ralph D. Freeman

16.9k total citations · 2 hit papers
216 papers, 13.3k citations indexed

About

Ralph D. Freeman is a scholar working on Cognitive Neuroscience, Cellular and Molecular Neuroscience and Spectroscopy. According to data from OpenAlex, Ralph D. Freeman has authored 216 papers receiving a total of 13.3k indexed citations (citations by other indexed papers that have themselves been cited), including 132 papers in Cognitive Neuroscience, 59 papers in Cellular and Molecular Neuroscience and 45 papers in Spectroscopy. Recurrent topics in Ralph D. Freeman's work include Visual perception and processing mechanisms (112 papers), Neural dynamics and brain function (81 papers) and Advanced NMR Techniques and Applications (42 papers). Ralph D. Freeman is often cited by papers focused on Visual perception and processing mechanisms (112 papers), Neural dynamics and brain function (81 papers) and Advanced NMR Techniques and Applications (42 papers). Ralph D. Freeman collaborates with scholars based in United States, United Kingdom and South Sudan. Ralph D. Freeman's co-authors include Izumi Ohzawa, Gregory C. DeAngelis, G. Sclar, Ēriks Kupče, W. A. Anderson, Matthew R. Peterson, Arthur Bradley, Akiyuki Anzai, Baowang Li and Carl R. Olson and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Ralph D. Freeman

215 papers receiving 12.6k 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.

Stereoscopic Depth Discrimination in the Visual Cortex: Neurons Ideally Suited as Disparity Detectors

1990 549 citations Izumi Ohzawa, Ralph D. Freeman et al. profile →
Adiabatic Pulses for Wideband Inversion and Broadband Decoupling

1995 516 citations Ēriks Kupče, Ralph D. Freeman Journal of Magnetic Resonance Series A profile →

Peers

Countries citing papers authored by Ralph D. Freeman

Since Specialization

Citations

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

Fields of papers citing papers by Ralph D. Freeman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralph D. Freeman

This figure shows the co-authorship network connecting the top 25 collaborators of Ralph D. Freeman. A scholar is included among the top collaborators of Ralph D. Freeman 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 Ralph D. Freeman. Ralph D. Freeman 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	Binocular activation elicits differences in neurometabolic coupling in visual cortex 2013 ·Neuroscience ·Bo Li, Ralph D. Freeman	1
2	Dynamic Spatial Processing Originates in Early Visual Pathways 2006 ·Journal of Neuroscience ·Elena A. Allen, Ralph D. Freeman	43
3	Separate Spatial Scales Determine Neural Activity-Dependent Changes in Tissue Oxygen within Central Visual Pathways 2005 ·Journal of Neuroscience ·Jeffrey Thompson, Matthew R. Peterson, Ralph D. Freeman	38
4	Chapter 11 Beyond the classical receptive field in the visual cortex 2001 ·Progress in brain research ·Ralph D. Freeman, Izumi Ohzawa, Gary Walker	30
5	Linear and nonlinear contributions to orientation tuning of simple cells in the cat's striate cortex 1999 ·Visual Neuroscience ·Justin L. Gardner, Akiyuki Anzai, Izumi Ohzawa, Ralph D. Freeman	89
6	Binocular vision: The neural integration of depth and motion 1998 ·Current Biology ·Ralph D. Freeman	2
7	Studies of functional connectivity in the developing and mature visual cortex 1996 ·Journal of Physiology-Paris ·Ralph D. Freeman	4
8	A flexible PC-based physiological monitor for animal experiments 1995 ·Journal of Neuroscience Methods ·Geoffrey M. Ghose, Izumi Ohzawa, Ralph D. Freeman	13
9	Wideband Excitation with Polychromatic Pulses 1994 ·Journal of Magnetic Resonance Series A ·Ēriks Kupče, Ralph D. Freeman	90
10	Pathways in the visual cortex revealed by receptive field mapping of correlated discharge 1991 ·The Society for Neuroscience Abstracts ·Geoffrey M. Ghose, Izumi Ohzawa, Ralph D. Freeman	2
11	On the neurophysiological organization of binocular vision 1990 ·Vision Research ·Ralph D. Freeman, Izumi Ohzawa	144
12	Cortical processing of hyperacuity tasks 1989 ·Vision Research ·Michael A. Paradiso, Thom Carney, Ralph D. Freeman	31
13	A physiological correlate of the pulfrich effect in cortical neurons of the cat 1989 ·Vision Research ·Thom Carney, Michael A. Paradiso, Ralph D. Freeman	53
14	Binocular interaction in the perigeniculate nucleus of the cat 1988 ·Experimental Brain Research ·(unknown), Thom Carney, Ary S. Ramoa, Ralph D. Freeman	32
15	On the Relation Between Aniseikonia and Axial Anisometropia 1983 ·Optometry and Vision Science ·Jeff Rabin, Arthur Bradley, Ralph D. Freeman	23
16	Corneal radius of curvature of the kitten and the cat. 1980 ·PubMed ·Ralph D. Freeman	20
17	Rescaling of the retinal map of visual space during growth of the kitten's eye 1980 ·Brain Research ·Carl R. Olson, Ralph D. Freeman	18
18	THE INFLUENCE OF BIAS UPON RETINOSCOPY 1973 ·Optometry and Vision Science ·(unknown), Theodore E. Cohn, Ralph D. Freeman	3
19	ALIGNMENT DETECTION AND RESOLUTION AS A FUNCTION OF RETINAL LOCATION 1966 ·Optometry and Vision Science ·Ralph D. Freeman	4
20	Determination of the relative signs of proton spin coupling constants by double irradiation 1961 ·Molecular Physics ·Ralph D. Freeman, D. H. Whiffen	99

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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