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Portrait of Ethan Gahtan

Contact

eg51@humboldt.edu
  • BSS 428

Office Hours

  • On Sabbatical 25/26 AY
Behavioral Neuroscience at Humboldt (Gahtan Lab) Curriculum Vitae

Ethan Gahtan

Professor

Ethan received a Bachelor’s in Psychology from Macalester College and PhD in Cognitive and Biological Psychology from the University of Minnesota. His research focuses on molecular and neural circuit mechanisms of behavior and neurological disease, with a secondary focus on evolutionary psychology.  Ethan is a long-serving member of Humboldt’s IRB and IACUC.

Areas of Interest

Neuroscience, Evolutionary Psychology, Philosophy of Psychology

Research Focus

Gahtan Lab - Behavioral Neuroscience at Humboldt

  1. Jones, E. F., Butler, M. G., Trendafilova, D., Mendez, M. S., Jernigan, L. A., Gahtan, E., & Steele, J. (2023). In vivo tracking of KCC2b expression during early brain development. The Journal of Comparative Neurology, 531(1), 48–57. https://doi.org/10.1002/cne.25411 

  2. Lapolla, N. J., Bishop, B. H., & Gahtan, E. (2023). Social context modulates autonomic responses to direct eye contact. Physiology & Behavior, 263, 114119. https://doi.org/10.1016/j.physbeh.2023.114119 

  3. Bishop, B. H., Spence-Chorman, N., & Gahtan, E. (2016). Three-dimensional motion tracking reveals a diving component to visual and auditory escape swims in zebrafish larvae. The Journal of Experimental Biology, 219(Pt 24), 3981–3987. https://doi.org/10.1242/jeb.147124 

  4. Stednitz, S. J., Freshner, B., Shelton, S., Shen, T., Black, D., & Gahtan, E. (2015). Selective toxicity of L-DOPA to dopamine transporter-expressing neurons and locomotor behavior in zebrafish larvae. Neurotoxicology and Teratology, 52(Pt A), 51–56. https://doi.org/10.1016/j.ntt.2015.11.001 

  5. Bass, E. C., Stednitz, S. J., Simonson, K., Shen, T., & Gahtan, E. (2014). Physiological stress reactivity and empathy following social exclusion: A test of the defensive emotional analgesia hypothesis. Social Neuroscience, 9(5), 504–513. https://doi.org/10.1080/17470919.2014.929533 

  6. Stobb, M., Peterson, J. M., Mazzag, B., & Gahtan, E. (2012). Graph theoretical model of a sensorimotor connectome in zebrafish. PloS One, 7(5), e37292. https://doi.org/10.1371/journal.pone.0037292 

  7. Griffiths, B. B., Schoonheim, P. J., Ziv, L., Voelker, L., Baier, H., & Gahtan, E. (2012). A zebrafish model of glucocorticoid resistance shows serotonergic modulation of the stress response. Frontiers in Behavioral Neuroscience, 6, 68. https://doi.org/10.3389/fnbeh.2012.00068 

  8. Holden, J. M., Meyers-Manor, J. E., Overmier, J. B., Gahtan, E., Sweeney, W., & Miller, H. (2008). Lipopolysaccharide-induced immune activation impairs attention but has little effect on short-term working memory. Behavioural Brain Research, 194(2), 138–145. https://doi.org/10.1016/j.bbr.2008.06.032 

  9. Muto, A., Orger, M. B., Wehman, A. M., Smear, M. C., Kay, J. N., Page-McCaw, P. S., Gahtan, E., Xiao, T., Nevin, L. M., Gosse, N. J., Staub, W., Finger-Baier, K., & Baier, H. (2005). Forward genetic analysis of visual behavior in zebrafish. PLoS Genetics, 1(5), e66. https://doi.org/10.1371/journal.pgen.0010066 

  10. Gahtan, E., Tanger, P., & Baier, H. (2005). Visual prey capture in larval zebrafish is controlled by identified reticulospinal neurons downstream of the tectum. The Journal of Neuroscience: The Official Journal of the Society for Neuroscience, 25(40), 9294–9303. https://doi.org/10.1523/JNEUROSCI.2678-05.2005 

  11. O’Malley, D. M., Sankrithi, N. S., Borla, M. A., Parker, S., Banden, S., Gahtan, E., & Detrich, H. W. (2004). Optical physiology and locomotor behaviors of wild-type and nacre zebrafish. Methods in Cell Biology, 76, 261–284. https://doi.org/10.1016/s0091-679x(04)76013-6 

  12. Orger, M. B., Gahtan, E., Muto, A., Page-McCaw, P., Smear, M. C., & Baier, H. (2004). Behavioral screening assays in zebrafish. Methods in Cell Biology, 77, 53–68. https://doi.org/10.1016/s0091-679x(04)77003-x 

  13. Gahtan, E., & Baier, H. (2004). Of lasers, mutants, and see-through brains: Functional neuroanatomy in zebrafish. Journal of Neurobiology, 59(1), 147–161. https://doi.org/10.1002/neu.20000 

  14. O’Malley, D. M., Zhou, Q., & Gahtan, E. (2003). Probing neural circuits in the zebrafish: A suite of optical techniques. Methods, 30(1), 49–63. https://doi.org/10.1016/s1046-2023(03)00007-0 

  15. Gahtan, E., & O’Malley, D. M. (2003). Visually guided injection of identified reticulospinal neurons in zebrafish: A survey of spinal arborization patterns. The Journal of Comparative Neurology, 459(2), 186–200. https://doi.org/10.1002/cne.10621 

  16. Gahtan, E., Sankrithi, N., Campos, J. B., & O’Malley, D. M. (2002). Evidence for a widespread brain stem escape network in larval zebrafish. Journal of Neurophysiology, 87(1), 608–614. https://doi.org/10.1152/jn.00596.2001 

  17. Gahtan, E., & O’Malley, D. M. (2001). Rapid lesioning of large numbers of identified vertebrate neurons: Applications in zebrafish. Journal of Neuroscience Methods, 108(1), 97–110. https://doi.org/10.1016/s0165-0270(01)00382-x 

  18. Lim, G. P., Yang, F., Chu, T., Gahtan, E., Ubeda, O., Beech, W., Overmier, J. B., Hsiao-Ashec, K., Frautschy, S. A., & Cole, G. M. (2001). Ibuprofen effects on Alzheimer pathology and open field activity in APPsw transgenic mice. Neurobiology of Aging, 22(6), 983–991. https://doi.org/10.1016/s0197-4580(01)00299-8 

  19. Gahtan, E., & Overmier, J. B. (2001). Performance more than working memory disrupted by acute systemic inflammation in rats in appetitive tasks. Physiology & Behavior, 73(1–2), 201–210. https://doi.org/10.1016/s0031-9384(01)00471-1 

  20. Gahtan, E., & Overmier, J. B. (1999). Inflammatory pathogenesis in Alzheimer’s disease: Biological mechanisms and cognitive sequeli. Neuroscience and Biobehavioral Reviews, 23(5), 615–633. https://doi.org/10.1016/s0149-7634(98)00058-x 

  21. Gahtan, E., Auerbach, J. M., Groner, Y., & Segal, M. (1998). Reversible impairment of long-term potentiation in transgenic Cu/Zn-SOD mice. The European Journal of Neuroscience, 10(2), 538–544. https://doi.org/10.1046/j.1460-9568.1998.00058.x 

  22. Overmier, J. B., & Gahtan, E. (1998). Psychoneuroimmunology: The final hurdle. Integrative Physiological and Behavioral Science: The Official Journal of the Pavlovian Society, 33(2), 137–140. https://doi.org/10.1007/BF02688658 

  23. Gahtan, E., Labounty, L. P., Wyvell, C., & Carroll, M. E. (1996). The relationships among saccharin consumption, oral ethanol, and i.v. Cocaine self-administration. Pharmacology, Biochemistry, and Behavior, 53(4), 919–925. https://doi.org/10.1016/0091-3057(95)02148-5 

Department of Psychology

Behavioral & Social Sciences, Room 410

(707) 826-5125

psych@humboldt.edu