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Seehafer, K., Brophy, S., Tom, S. and Crook, R.J. (2018). Ontogenetic and experience-dependent changes in defensive behavior in captive-bred Hawaiian Bobtail Squid, Euprymna scolopes. Front. Physiol. 10. doi: 10.3389/fphys.2018.00299

Butler-Struben, H.M.*, Brophy, S.*, Johnson, N., and Crook, R.J. (2018) In vivo recording of neural correlates of anesthesia induction, reversal and euthanasia in cephalopod molluscs. Front. Physiol. 9:109. doi: 10.3389/fphys.2018.00109. *equal contribution


Perez, P.V., Butler-Struben, H.M., and Crook, R.J. (2017) The Selective Serotonin Reuptake Inhibitor Fluoxetine increases spontaneous afferent firing, but not mechano-nociceptive sensitization, in Octopus. Invert. Neurosci. 17(4),10-12

Zepeda, E.A., Veline, R.J. and Crook, R.J. (2017) Rapid associative learning and stable long term memory in the squid, Euprymna scolopes. Biol. Bull, 232(3): 212-218 


Oshima, M., di Pauli von Treuheim, T., Carroll, J., Hanlon R.T., Walters, E.T. and Crook, R.J. (2016). Peripheral injury alters schooling behavior in squid, Doryteuthis pealei. Behav. Proc. 128 89-95


Crook, R.J. and Walters, E.T. (2014). Self-recognition helps octopuses avoid entanglement. Curr. Biol. 24(11) 520-521

Crook, R.J., Dickson, K.D., Hanlon, R.T. and Walters, E.T. (2014). Nociceptive sensitization reduces predation risk. Curr. Biol. 24(10) 1121-1125

Yang, Q., Wu, Z., Hadden, J., Odem, M., Zuo, Y., Crook, R.J., Frost, J. and Walters, E.T. (2014) Persistent pain after spinal cord injury is maintained by primary afferent activity. J. Neurosci. 34(32) 10765-10769


Alupay, J.S., Hadjisolomou, S.P and Crook, R.J. (2013). Arm injury produces long-term behavioral and neural hypersensitivity in octopus. Neurosci. Lett. 558, 137-142 

Crook, R.J., Hanlon, R.T. and Walters, E.T. (2013). Squid have nociceptors that display long term sensitization and spontaneous activity after bodily injury. J. Neurosci. 33(24) 10021-10026 (featured in ‘Outside JEB’, ‘BrainFacts.org’)

Wu. Z., Yang, Q., Crook, R.J., O'Neil, R.G. and Walters, E.T. (2013). TRPV1 channels make major contributions to behavioral hypersensitivity and spontaneous activity in nociceptors after spinal cord injury. Pain154(10) 2130-2141

Crook, R.J. (2013). The welfare of invertebrates in research: Can science’s next generation improve their lot? (Invited review) J. Postdoct. Aff. 1(2), 9-20

Matthias, N., Robinson, M.A., Crook, R.J., Lockworth, C.R. and Goodwin, B.S. (2013). Local cryoanalgesia is effective for tail-tip biopsy in mice. JAALS, 52(2) 171-175

Crook, R.J., and Basil, J.A. (2013). Flexible spatial orientation and navigational strategies in Chambered Nautilus. Ethology, 119(1), 77-85


Wardill, T., Gonzalez-Bellido, P., Crook, R.J. and Hanlon, R.T. (2012) Neural control of tunable skin iridescence in squid. Proc R. Soc. B, 279(1745) 4243-4252

Basil, J.A., Barord, G., Crook, R.J., Derman, R., Ju, C.H., Travis, L. and Vargas, T. (2012) A synthetic approach to the study of learning and memory in Chambered Nautilus (Cephalopoda: Nautiloidea). Vie Et Milieaux, 61(4) 231-242

Bedi, SS, Lago, M., Crook, R.J., Grill, R and Walters, E.T. (2012) Spinal cord injury triggers an intrinsic growth-promoting state in nociceptors. J. Neurotrauma. 29(5) 925-935


Crook, R.J., Lewis, T., Hanlon, R.T and Walters, E.T.  (2011). Peripheral injury produces long-term sensitization of responses to tactile and visual stimuli in squid, Loligo pealei. J. Exp. Biol. 214, 3173-3185

Crook, R.J. and Walters, E.T. (2011). Nociceptive behavior and physiology in molluscs: Animal welfare implications. ILAR. 52 (2) 185-195

2010 and earlier

Bedi, S.*, Yang, Q.*, Crook, R.J.*, Du, J, Wu, Z., Fishman, H., Grill, R., Carlton, S., and Walters, E.T. (2010). Chronic spontaneous activity generated in the somata of small dorsal root ganglion neurons is associated with pain-related behavior following spinal cord injury. (*equal contribution) J. Neurosci. 30(44) 14870-14882

Crook, R.J., Hanlon, R.T and Basil, J.A. (2009). Memory of visual and topographical features suggests spatial learning in the ancient cephalopod, nautilus (Nautilus pompilius L.). J. Comp. Psych. 3 264-274

Crook, R.J., and Basil, J. (2008). A role for nautilus in studies of the evolution of brain and behavior (Invited review). Comm. Int. Bio. 1: 61-62

Crook, R.J. and Basil, J.A. (2008). A biphasic memory curve in the Chambered Nautilus, Nautilus pompilius L. (Cephalopoda: Nautiloidea) J. Exp. Biol.211: 1992-1998 (Article featured in Nature Research Highlights, ScienceDaily, ScienceBlogs

Crook, R.J., Patullo, B.W., and Macmillan, D.L. (2004). Multimodal individual recognition in the freshwater crayfish Cherax destructorMar. Fresh. Behav. Physiol. Vol 37, No. 4: 271-285