Gordon J. Fishell
Gordon James Fishell is a Canadian-born neuroscientist and the Professor of Neurobiology at Harvard Medical School and the Broad Institute.[1]. He is best known for his research on the developmental programming of cortical interneurons and the assembly of brain circuits. In 2023, he was elected as a member of the National Academy of Sciences.[2]
Early Life and Education
Gordon Fishell was born in Toronto, Ontario, Canada. He attended the University of Toronto, where he earned his Bachelor of Science in Physiology and Biophysics in 1984. He continued his studies at the same institution, receiving a Ph.D. in Neurobiology in 1989 under the supervision of advisor Derek van der Kooy. His doctoral thesis focused on the developmental organization of striatal compartments.
From 1989 to 1992, Fishell completed his postdoctoral research training in Pathology at Columbia University.
Career
Fishell began his faculty career as an Assistant Professor at Rockefeller University in the Department of Developmental Neurobiology (1992–1994). In 1994, he joined the NYU School of Medicine, where he held various leadership and academic roles for over two decades. At NYU, he served as the Co-Coordinator of the Skirball Institute, Associate Director of the NYU Neuroscience Institute, and Director of the Neuroscience Graduate Program.
In 2017, Fishell moved to Harvard Medical School and the Broad Institute to serve as a Professor of Neurobiology. Throughout his career, he has held significant national advisory roles, including standing membership on the NINDS Council (2005–2019) and the NIMH Board of Scientific Counselors (2021–present).
Scientific Contributions
Fishell’s research explores how the mammalian brain initiates mature function through the progressive assembly of cortical circuits. His work has demonstrated that not only are there numerous specific interneuron types that appear across development but that specific interneuron types show selective connectivity with pyramidal populations. Moreover, his work has identified a scaffolding phase for cortical function, where specific inhibitory interneuron subtypes play distinct roles in the establishment of cortical circuits. He has also explored how misfunction in interneurons may contribute to developmental neuropsychiatric disease, such as ASD and schizophrenia.
His group has analyzed all interneuron across time (PVALB very fast (msec) versus Neurogliaform (sec)), and space (PVALB and SST -local soma and dendrites versus broad categories Neurogliaform -volume transport), demonstrating how they gate inhibition during circuit development and adult function.
Somatostatin (SST) Interneurons
- Fishell’s team demonstrated that SST interneurons are essential for the maturation of deep-layer cortical circuits. These neurons arrive at the cortex "ready to function" and primarily adjust their influence through survival rates rather than identity shifts.
Parvalbumin (PVALB) Interneurons
- In contrast to SST neurons, PVALB interneurons "come online" only as the cortex begins to fully function, allowing them to adapt their identity based on mature brain activity.
Vasoactive intestinal protein (VIP) Interneurons
- Furthermore, work his group and others have indicated that VIP are disinhibitory and are controlled by long range inputs.
Neurogliaform (LAMP5) Interneurons
- His work and others have shown neurogliaform neurons act over long time scales to inhibit broad classes of both excitatory and inhibitory cells and are driven by long range projections from other cortical areas.
Circuit Assembly
- His research suggests a "two-way dance" between excitatory pyramidal neurons and gating inhibitory interneurons that allows the brain to learn to interpret the world.
Honors and Awards
- Member of the National Academy of Sciences (2023)
- NIMH MERIT Award recipient (2022–2032)
- Harvey Lecture recipient (2022)
- NYU Medical Center Master Scientist (2014)
- SFN Presidential Lecture, Society for Neuroscience (2014)
- Simons Investigator, Simons Foundation (2007–2015, 2020)
- Irma T. Hirschl Career Scientist Award (1995)
Selected Publications
- Wu SJ, et al. "Pyramidal neurons proportionately alter the cortical interneuron subtypes." Nature 2026[3]
- Iqbal A, et al. "Biologically grounded neocortex computational primitives implemented on neuromorphic hardware improve vision transformer performance." PNAS 2025.[4]
- Fishell and Kepecs, "Interneuron Types as Attractors and Controllers". Annu Rev Neurosci. Neuroscience 2020.[5]
- Mayer C, et al. "Developmental diversification of cortical inhibitory interneurons." Nature 2018.[6]
- Tuncdemir SN, et al. "Early somatostatin interneuron connectivity mediates the maturation of deep layer cortical circuits." Neuron 2016.[7]
- Lee SH, et al. "A disinhibitory circuit mediates motor integration in the somatosensory cortex." Nat Neurosci. 2013[8]
- De Marco García NV, et al. "Neuronal activity is required for the development of specific cortical interneuron subtypes." Nature 2011.[9]
- Fishell G, and Rudy B. "Mechanisms of Inhibition within the Telencephalon: 'Where the Wild Things Are'." Annual Review of Neuroscience. 2011[10]
References
- ↑ Research; Publications; People; Alumni; Photos; Resources; Contact; Research; Publications. "The Fishell Laboratory". The Fishell Laboratory. Retrieved 2026-02-18.
- ↑ "Gord Fishell – NAS". https://www.nasonline.org/. Retrieved 2026-02-18. External link in
|website=(help) - ↑ Wu, Sherry Jingjing; Dai, Min; Yang, Shang-Po; McCann, Cai; Qiu, Yanjie; Kumar, Vipin; Marrero, Giovanni J.; Tsyporin, Jeremiah; Huang, Shuhan; Shin, David; Stogsdill, Jeffrey A.; Di Bella, Daniela J.; Xu, Qing; Chen, Bin; Farhi, Samouil L. (2026-01-21). "Pyramidal neurons proportionately alter cortical interneuron subtypes". Nature: 1–8. doi:10.1038/s41586-025-09996-8. ISSN 1476-4687.
- ↑ "PNAS". PNAS. doi:10.1073/pnas.2504164122. PMC 12541343 Check
|pmc=value (help). PMID 41055996 Check|pmid=value (help). Retrieved 2026-02-18. - ↑ Fishell, Gord; Kepecs, Adam (2020-07-08). "Interneuron Types as Attractors and Controllers". Annual Review of Neuroscience. 43: 1–30. doi:10.1146/annurev-neuro-070918-050421. ISSN 1545-4126. PMC 7064158 Check
|pmc=value (help). PMID 31299170. - ↑ Mayer, Christian; Hafemeister, Christoph; Bandler, Rachel C.; Machold, Robert; Batista Brito, Renata; Jaglin, Xavier; Allaway, Kathryn; Butler, Andrew; Fishell, Gord; Satija, Rahul (2018-03-22). "Developmental diversification of cortical inhibitory interneurons". Nature. 555 (7697): 457–462. doi:10.1038/nature25999. ISSN 1476-4687. PMC 6052457. PMID 29513653.
- ↑ Tuncdemir, Sebnem N.; Wamsley, Brie; Stam, Floor J.; Osakada, Fumitaka; Goulding, Martyn; Callaway, Edward M.; Rudy, Bernardo; Fishell, Gord (2016-02-03). "Early Somatostatin Interneuron Connectivity Mediates the Maturation of Deep Layer Cortical Circuits". Neuron. 89 (3): 521–535. doi:10.1016/j.neuron.2015.11.020. ISSN 1097-4199. PMC 4861073. PMID 26844832.
- ↑ Lee, Soohyun; Kruglikov, Illya; Huang, Z. Josh; Fishell, Gord; Rudy, Bernardo (2013-11). "A disinhibitory circuit mediates motor integration in the somatosensory cortex". Nature Neuroscience. 16 (11): 1662–1670. doi:10.1038/nn.3544. ISSN 1546-1726. Check date values in:
|date=(help) - ↑ De Marco García, Natalia V.; Karayannis, Theofanis; Fishell, Gord (2011-04-21). "Neuronal activity is required for the development of specific cortical interneuron subtypes". Nature. 472 (7343): 351–355. doi:10.1038/nature09865. ISSN 1476-4687. PMC 3641515. PMID 21460837.
- ↑ Fishell, Gord; Rudy, Bernardo (2011). "Mechanisms of inhibition within the telencephalon: "where the wild things are"". Annual Review of Neuroscience. 34: 535–567. doi:10.1146/annurev-neuro-061010-113717. ISSN 1545-4126. PMC 3556485. PMID 21469958.
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