Sam Lewallen

733 total citations · 1 hit paper
5 papers, 296 citations indexed

About

Sam Lewallen is a scholar working on Cognitive Neuroscience, Molecular Biology and Cellular and Molecular Neuroscience. According to data from OpenAlex, Sam Lewallen has authored 5 papers receiving a total of 296 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Cognitive Neuroscience, 2 papers in Molecular Biology and 2 papers in Cellular and Molecular Neuroscience. Recurrent topics in Sam Lewallen's work include Memory and Neural Mechanisms (3 papers), Neural dynamics and brain function (2 papers) and Sleep and Wakefulness Research (2 papers). Sam Lewallen is often cited by papers focused on Memory and Neural Mechanisms (3 papers), Neural dynamics and brain function (2 papers) and Sleep and Wakefulness Research (2 papers). Sam Lewallen collaborates with scholars based in United States and Israel. Sam Lewallen's co-authors include David W. Tank, Jeffrey L. Gauthier, Kijung Yoon, Amina A. Kinkhabwala, Ila Fiete, Sue Ann Koay, Carlos D. Brody, Ryan Low, Manuel Schottdorf and Lucas Pinto and has published in prestigious journals such as Nature, Cell and Neuron.

In The Last Decade

Sam Lewallen

5 papers receiving 291 citations

Hit Papers

Geometry of abstract learned knowledge in the hippocampus 2021 2026 2022 2024 2021 50 100 150
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.

  1. Geometry of abstract learned knowledge in the hippocampus
    2021 158 citations Edward H. Nieh, Manuel Schottdorf et al. Nature profile →

Peers

Sam Lewallen
Shreya Saxena United States
Matthew R Whiteway United States
Michael E. Rule United Kingdom
Zoran Tiganj United States
Evan M. Russek United States
Ivan Raikov United States
Guy Doron Germany
Haroon Anwar United States
Edgar Bermudez-Contreras Canada
João D. Semedo Portugal
Shreya Saxena United States
Sam Lewallen
Citations per year, relative to Sam Lewallen Sam Lewallen (= 1×) peers Shreya Saxena

Countries citing papers authored by Sam Lewallen

Since Specialization
Citations

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

Fields of papers citing papers by Sam Lewallen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sam Lewallen. 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 Sam Lewallen. The network helps show where Sam Lewallen may publish in the future.

Co-authorship network of co-authors of Sam Lewallen

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

All Works

5 of 5 papers shown
1.
Nieh, Edward H., Manuel Schottdorf, Ryan Low, et al.. (2021). Geometry of abstract learned knowledge in the hippocampus. Nature. 595(7865). 80–84. 158 indexed citations breakdown →
2.
Gu, Yi, Sam Lewallen, Amina A. Kinkhabwala, et al.. (2018). A Map-like Micro-Organization of Grid Cells in the Medial Entorhinal Cortex. Cell. 175(3). 736–750.e30. 60 indexed citations
3.
Yoon, Kijung, Sam Lewallen, Amina A. Kinkhabwala, David W. Tank, & Ila Fiete. (2016). Grid Cell Responses in 1D Environments Assessed as Slices through a 2D Lattice. Neuron. 89(5). 1086–1099. 45 indexed citations
4.
Lewallen, Sam, et al.. (2012). Strong L-spaces and left-orderability. Mathematical Research Letters. 19(6). 1237–1244. 6 indexed citations
5.
Burak, Yoram, Sam Lewallen, & Haim Sompolinsky. (2009). Stimulus-Dependent Correlations in Threshold-Crossing Spiking Neurons. Neural Computation. 21(8). 2269–2308. 27 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Shreya Saxena Breakdown of academic impact, for papers by Matthew R Whiteway Breakdown of academic impact, for papers by Michael E. Rule Breakdown of academic impact, for papers by Zoran Tiganj Breakdown of academic impact, for papers by Evan M. Russek Breakdown of academic impact, for papers by Ivan Raikov Breakdown of academic impact, for papers by Guy Doron Breakdown of academic impact, for papers by Haroon Anwar Breakdown of academic impact, for papers by Edgar Bermudez-Contreras Breakdown of academic impact, for papers by João D. Semedo
Rankless by CCL
2026