Publications
Primary research articles (recent)
Chiang, F.K., Rich, E.L. Compression as a mechanism of mnemonic chunking in prefrontal cortex. Curr Biol (2026). 36,1-11. https://doi.org/10.1016/j.cub.2026.08.016. (commentary: Xie et al., 2026)
Chen, S., Callaway, F., Kumar, S., Lupkin, S.M., Wallis, J.D., McGinty, V.B., Rich, E.L., Mattar, M.G. Learning to select computations in recurrent neural networks. BioRxiv 2026.04.14.718499; doi: https://doi.org/10.64898/2026.04.14.718499.
Nguyen, D. Rich, E.L., Wallis, J.D., Louie, K., Glimcher, P.W. Neuronal representation of the decisional reference point in monkeys. PNAS 2025, 122(48):e2514110122. https://doi.org/10.1073/pnas.251411012
Perkins, A.Q., Rich, E.L. Orbitofrontal cortex computes gaze-dependent comparisons between attributes rather than integrated values. PLoS Biol. 2025 Aug 7;23(8):e3003281. https://doi.org/10.1371/journal.pbio.3003281 PMID: 40773420. (commentary: Hayden, 2025)
Simon, J. Rich, E.L. Neural populations in macaque anterior cingulate cortex encode social image identities. Nat Commun. 15, 7500 (2024). https://doi.org/10.1038/s41467-024-51825-5
Perkins, A.Q., Gillis, Z.S., Rich, E.L. Multi-attribute decision-making in macaques relies on direct attribute comparisons. J Cog Neurosci 2024 Jun 26, 1-19. https://doi.org/10.1162/jocn_a_02208
Yang, F.C., Chiang, F.K., Rich, E.L. Burwell, R.D. Pulvinar perturbation causes functional reorganization of visual attentional information in posterior parietal cortex. BioRxiv 2024.09.29.615686. https://doi.org/10.1101/2024.09.29.615686
Chien, J. Wallis, J.D., Rich, E.L. Abstraction of reward context facilitates relative reward coding in dorsal and ventral anterior cingulate cortex. J Neurosci 2023 Aug;43(33):5944-5962. https://doi.org/10.1523/JNEUROSCI.0292-23.2023
Chiang, F.K., Wallis, J.D., Rich, E.L. Cognitive strategies shift information from single neurons to populations in prefrontal cortex. Neuron. 2022 Feb 16;110(4):709-721.e4. https://doi.org/10.1016/j.neuron.2021.11.021 (commentary: Conen and Desrochers, 2022)
Afzal, M.F., Márton, C.D., Rich, E.L., Rajan, K. TRAKR – A reservoir-based tool for fast and accurate classification of neural time-series patterns. bioRxiv 2021 https://doi.org/10.1101/2021.10.13.464288
Reviews and commentaries
Charbonneau, J.A., Rich, E.L. Wanting this, not that: The neural circuit that turns specific expectations into actions. PLoS Biol. 24(7), e3003859. https://doi.org/10.1371/journal.pbio.3003859. Commentary for Witkowski et al., 2026.
Narayanan, N.S., Hyman, J.M., Seamans, J. and Rich, E.L. Computational properties of the prefrontal cortex. J Neurosci 2025 10 Sept, 45(37):e1093252025. https://doi.org/10.1523/JNEUROSCI.1093-25.2025
Simon, J. Rich, E.L. Stimulating social interest: The translational value of basic investigations into frontal cortex function. Neuron 2024 Aug 7, 112(15):2461-2463. https://doi.org/10.1016/j.neuron.2024.07.004. Commentary for Fan et al., 2024.
Rich, E.L., Averbeck, B.B. Neurophysiology: Differentiating functional contributions across prefrontal cortex. In Banich, M.T., Haber, S.N., Robbins, T.W. (Eds.) The Frontal Cortex: Organization, Networks, and Function” Strüngmann Forum Reports, 2024 Vol 34. MIT Press. ISBN:9780262549530
Murray, E.A., Averbeck, B.B., Badre, D., Constantinidis, C., Cools, R., Curtis, C.E., Fellows, L.K., Mitchell, A.S., Murray, J.D., Rich, E.L., D’Esposito, M. Functional fractionation and integration: Physiology, Networks, and Behaviors. In Banich, M.T., Haber, S.N., Robbins, T.W. (Eds.) The Frontal Cortex: Organization, Networks, and Function” Strüngmann Forum Reports, 2024 Vol 34. MIT Press. ISBN:9780262549530
Enel, P. Perkins, A.Q., Rich, E.L. Heterogeneous value coding in orbitofrontal populations. Behav Neurosci 2021 Apr;135(2):245-254. https://doi.org/10.1037/bne0000457
Perkins, A.Q., Rich, E.L. Identifying identity and attributing value to attributes: reconsidering mechanisms of preference decisions. Curr Opin Behav Sci. 2021 Oct;41:98-105. doi: https://doi.org/10.1016/j.cobeha.2021.04.019.
Simon, J., Rudebeck, P.H., Rich, E.L. From affective to cognitive processing: Functional organization of the medial frontal cortex. In Roesch, M., Amarante, L., Laubach, M., Brockett, A. (Eds.) What does Medial Frontal Cortex Signal During Behavior? Insights from Behavioral Neurophysiology. International Review of Neurobiology, 2021 Vol 161. Academic Press. https://doi.org/10.1016/bs.irn.2020.11.011.
Enel, P., Wallis, J.D., Rich, E.L. Stable and dynamic representations of value in the prefrontal cortex. Elife. 2020 Jul 6;9e54313. https://doi.org/10.7554/eLife.54313.
Rudebeck, P.H., Rich, E.L., Mayberg, H.S. From bed to bench side: reverse translation to optimize neuromodulation for mood disorders. Proc Natl Acad Sci. 2019 Dec 23;116(52):26288-96. https://doi.org/10.1073/pnas.1902287116.
Rudebeck, P.H., Rich, E.L. Orbitofrontal cortex. Curr Biol. 2018 Sep 24;28(18):R1083-R1088. https://doi.org/10.1016/j.cub.2018.07.018
Rich, E.L., Stoll, F.M., Rudebeck, P.H. Linking dynamic patterns of neural activity in orbitofrontal cortex with decision making. Curr Opin Neurobiol. 2017 Nov 20;49:24-32. https://doi.org/10.1016/j.conb.2017.11.002.
Santacruz, S.R., Rich, E.L., Wallis, J.D., Carmena, J.M. Caudate microstimulation increases value of specific choices. Curr Biol. 2017 Nov 6;27(21):3375-3383.e3. https://doi.org/10.1016/j.cub.2017.09.051.
Rich, E.L., Wallis, J.D. Spatiotemporal dynamics of information encoding revealed in orbitofrontal high-gamma. Nat Commun. 2017 Oct 26;8(1):1139. https://doi.org/10.1038/s41467-017-01253-5.
*Rich, E.L., Wallis, J.D. Decoding Subjective Decisions from Orbitofrontal Cortex.Nat Neurosci. 2016 Jul;19(7):973-80. https://doi.org/10.1038/nn.4320
Rich, E.L., Wallis, J.D. What stays the same in orbitofrontal cortex. Nat Neurosci. 2016 May 26;19(6):768-70. https://doi.org/10.1038/nn.4305. Commentary for Xie and Padoa-Schioppa, 2016.
Rich, E.L., Wallis, J.D. Medial-lateral organization of the orbitofrontal cortex. J Cogn Neurosci. 2014 Jul; 26(7):1347-62. https://doi.org/10.1162/jocn_a_00573.
Rich E.L., Wallis, J.D. Prefrontal-Amygdala Interactions Underlying Value Coding. Neuron. 2013 Dec; 80(6):1344-1346. https://doi.org/10.1016/j.neuron.2013.11.027. Commentary for Rudebeck and Murray, 2013.
Perez-Rodriguez, M.M., Hazlett, E.A., Rich, E.L., Ripoll, L.H., Weiner, D.M., Spence, N., Goodman, M., Koenigsberg, H.W., Siever, L.J., New, A.S. Striatal activity in borderline personality disorder with comorbid intermittent explosive disorder: sex differences. J Psychiatr Res. 2012 Jun;46(6):797-804. https://doi.org/10.1016/j.jpsychires.2012.02.014.
Wallis, J.D., Rich, E.L. Challenges of Interpreting Frontal Neurons during Value-Based Decision-Making. Front Neurosci. 2011;5:124. https://doi.org/10.3389/fnins.2011.00124.
Rich, E.L., Shapiro, M.L. Rat prefrontal cortical neurons selectively code strategy switches. J Neurosci. 2009 Jun:29(22):7208-19. https://doi.org/10.1523/JNEUROSCI.6068-08.2009.
Bozdagi O, Rich E, Tronel S, Sadahiro M, Patterson K, Shapiro ML, Alberini CM, Huntley GW, Salton SR. The neurotrophin-inducible gene Vgf regulates hippocampal function and behavior through a brain-derived neurotrophic factor-dependent mechanism. J Neurosci. 2008 Sept;28(39):9857-69. https://doi.org/10.1523/JNEUROSCI.3145-08.2008.
Romero, L.M., Rich, E.L. Photoperiodically-induced changes in hypothalamic-pituitary-adrenal axis sensitivity in captive house sparrows (Passer domesticus). Comp Biochem Physiol A Mol Integr Physiol. 2007 Jun; 147(2):562-8. https://doi.org/10.1016/j.cbpa.2007.02.004.
Rich, E.L., Shapiro, M.L. Prelimbic/Infralimbic inactivation impairs memory for multiple task switches, but not flexible selection of familiar tasks. J Neurosci. 2007 Apr; 27(17):4747-4755. https://doi.org/10.1523/JNEUROSCI.0369-07.2007.
Rich, E.L., Romero, L.M. Exposure to chronic stress downregulates corticosterone responses to acute stressors. Am J Physiol Regul Integr Comp Physiol. 2005 Jun; 288(6):R1628-36. https://doi.org/10.1152/ajpregu.00484.2004.
Rich, E.L., Romero, L.M. Daily and photoperiod variations of basal and stress-induced corticosterone concentrations in house sparrows (Passer domesticus). J Comp Physiol [B]. 2001 Oct; 11(7):543-7. https://doi.org/10.1007/s003600100204.
