Ravikumar Ponnusamy

3.3k total citations · 1 hit paper
20 papers, 1.7k citations indexed

About

Ravikumar Ponnusamy is a scholar working on Cellular and Molecular Neuroscience, Cognitive Neuroscience and Behavioral Neuroscience. According to data from OpenAlex, Ravikumar Ponnusamy has authored 20 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Cellular and Molecular Neuroscience, 8 papers in Cognitive Neuroscience and 5 papers in Behavioral Neuroscience. Recurrent topics in Ravikumar Ponnusamy's work include Neuroscience and Neuropharmacology Research (13 papers), Memory and Neural Mechanisms (7 papers) and Stress Responses and Cortisol (5 papers). Ravikumar Ponnusamy is often cited by papers focused on Neuroscience and Neuropharmacology Research (13 papers), Memory and Neural Mechanisms (7 papers) and Stress Responses and Cortisol (5 papers). Ravikumar Ponnusamy collaborates with scholars based in United States, Switzerland and Australia. Ravikumar Ponnusamy's co-authors include Michael S. Fanselow, Hong‐Wei Dong, Wulf Haubensak, Jonathan Biag, Haijiang Cai, Prabhat S. Kunwar, Edward M. Callaway, Nicholas Wall, Stéphane Ciocchi and Karl Deisseroth and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Ravikumar Ponnusamy

20 papers receiving 1.7k 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.

Genetic dissection of an amygdala microcircuit that gates conditioned fear

2010 642 citations Wulf Haubensak, Prabhat S. Kunwar et al. Nature profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ravikumar Ponnusamy United States	15	893	693	433	431	318	20	1.7k
Elena Crawford United States	16	1.0k 1.2×	392 0.6×	271 0.6×	378 0.9×	210 0.7×	18	1.6k
Ross A. McDevitt United States	19	1.0k 1.2×	477 0.7×	271 0.6×	694 1.6×	227 0.7×	47	1.9k
Daniel J. Christoffel United States	20	940 1.1×	561 0.8×	234 0.5×	523 1.2×	451 1.4×	23	2.2k
Daniel J. Chandler United States	15	733 0.8×	743 1.1×	216 0.5×	324 0.8×	166 0.5×	25	1.5k
William C. Griffin United States	26	1.4k 1.5×	456 0.7×	252 0.6×	637 1.5×	193 0.6×	59	2.0k
Yukio Ichitani Japan	24	762 0.9×	467 0.7×	231 0.5×	257 0.6×	271 0.9×	64	1.6k
Hau‐Jie Yau United States	17	1.1k 1.2×	673 1.0×	435 1.0×	612 1.4×	119 0.4×	20	1.9k
Stéphane Gaskin Canada	14	875 1.0×	811 1.2×	199 0.5×	280 0.6×	200 0.6×	20	1.6k
Juan L. Gomez United States	17	878 1.0×	464 0.7×	250 0.6×	341 0.8×	295 0.9×	28	1.9k
Sarah A. Stern United States	13	959 1.1×	518 0.7×	469 1.1×	672 1.6×	137 0.4×	19	2.2k

Countries citing papers authored by Ravikumar Ponnusamy

Since Specialization

Citations

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

Fields of papers citing papers by Ravikumar Ponnusamy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ravikumar Ponnusamy

This figure shows the co-authorship network connecting the top 25 collaborators of Ravikumar Ponnusamy. A scholar is included among the top collaborators of Ravikumar Ponnusamy 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 Ravikumar Ponnusamy. Ravikumar Ponnusamy 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

Ponnusamy, Ravikumar, et al.. (2017). Assessing disease-modifying effects of norepinephrine in Down syndrome and Alzheimer’s disease. Brain Research. 1702. 3–11. 11 indexed citations

Lin, Quan, Ravikumar Ponnusamy, Jocelyn Widagdo, et al.. (2017). MicroRNA-mediated disruption of dendritogenesis during a critical period of development influences cognitive capacity later in life. Proceedings of the National Academy of Sciences. 114(34). 9188–9193. 16 indexed citations

Moghadam, Sarah, et al.. (2016). GABAergic hyperinnervation of dentate granule cells in the Ts65Dn mouse model of down syndrome: Exploring the role ofApp. Hippocampus. 26(12). 1641–1654. 17 indexed citations

Baktir, Mehmet, et al.. (2016). Physical exercise induces structural alterations in the hippocampal astrocytes: exploring the role of BDNF-TrkB signaling. Brain Structure and Function. 222(4). 1797–1808. 69 indexed citations

Maeda, Sumihiro, Biljana Djukic, Praveen Taneja, et al.. (2016). Expression of A152T human tau causes age‐dependent neuronal dysfunction and loss in transgenic mice. EMBO Reports. 17(4). 530–551. 104 indexed citations

Tracy, Tara E., Peter Sohn, Sakura Minami, et al.. (2016). Acetylated Tau Obstructs KIBRA-Mediated Signaling in Synaptic Plasticity and Promotes Tauopathy-Related Memory Loss. Neuron. 90(2). 245–260. 200 indexed citations

Ponnusamy, Ravikumar, Irina Zhuravka, Andrew M. Poulos, et al.. (2016). Retrieval and Reconsolidation Accounts of Fear Extinction. Frontiers in Behavioral Neuroscience. 10. 25 indexed citations

Phillips, Cristy, et al.. (2015). Noradrenergic System in Down Syndrome and Alzheimer's Disease A Target for Therapy. Current Alzheimer Research. 13(1). 68–83. 42 indexed citations

Das, Devsmita, Cristy Phillips, Bill Yuchen Lin, et al.. (2015). Assessment of Dendritic Arborization in the Dentate Gyrus of the Hippocampal Region in Mice. Journal of Visualized Experiments. 6 indexed citations

10.

Das, Devsmita, et al.. (2015). Increased incidence of intermittent hypoxemia in the Ts65Dn mouse model of Down syndrome. Neuroscience Letters. 604. 91–96. 7 indexed citations

11.

Das, Devsmita, Bill Yuchen Lin, Mehmet Baktir, et al.. (2015). Assessment of Dendritic Arborization in the Dentate Gyrus of the Hippocampal Region in Mice. Journal of Visualized Experiments. 1 indexed citations

12.

Cheng, Jason S., Gui-Qiu Yu, Kaitlyn Ho, et al.. (2014). Tau Reduction Diminishes Spatial Learning and Memory Deficits after Mild Repetitive Traumatic Brain Injury in Mice. PLoS ONE. 9(12). e115765–e115765. 77 indexed citations

13.

Ponnusamy, Ravikumar, Biljana Djukic, Kaitlyn Ho, et al.. (2014). Tau reduction prevents disease in a mouse model of Dravet syndrome. Annals of Neurology. 76(3). 443–456. 99 indexed citations

14.

Zelikowsky, Moriel, et al.. (2012). Cholinergic Blockade Frees Fear Extinction from Its Contextual Dependency. Biological Psychiatry. 73(4). 345–352. 58 indexed citations

15.

Bissière, Stéphanie, Moriel Zelikowsky, Ravikumar Ponnusamy, et al.. (2011). Electrical Synapses Control Hippocampal Contributions to Fear Learning and Memory. Science. 331(6013). 87–91. 90 indexed citations

16.

Haubensak, Wulf, Prabhat S. Kunwar, Haijiang Cai, et al.. (2010). Genetic dissection of an amygdala microcircuit that gates conditioned fear. Nature. 468(7321). 270–276. 642 indexed citations breakdown →

17.

Poulos, Andrew M., Ravikumar Ponnusamy, Hong‐Wei Dong, & Michael S. Fanselow. (2010). Compensation in the neural circuitry of fear conditioning awakens learning circuits in the bed nuclei of the stria terminalis. Proceedings of the National Academy of Sciences. 107(33). 14881–14886. 67 indexed citations

18.

Poulos, Andrew M., et al.. (2009). Persistence of fear memory across time requires the basolateral amygdala complex. Proceedings of the National Academy of Sciences. 106(28). 11737–11741. 50 indexed citations

19.

Ponnusamy, Ravikumar, et al.. (2006). The effects of chronic administration of ethosuximide on learning and memory: a behavioral and biochemical study on nonepileptic rats. Behavioural Pharmacology. 17(7). 573–579. 13 indexed citations

20.

Ponnusamy, Ravikumar, et al.. (2005). Systemic blockade of D2-like dopamine receptors facilitates extinction of conditioned fear in mice. Learning & Memory. 12(4). 399–406. 107 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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