RIKEN CENTER FOR BRAIN SCIENCE
Luo R, Uematsu A, Weitemier A, Aquili L, Koivumaa J, McHugh TJ, Johansen JP: A dopaminergic switch for fear to safety transitions, Nature Communications, 2483 (2018) 
Ozawa T, Johansen JP: Learning rules for aversive associative memory formation, Current Opinion in Neurobiology, 49:148-157 (2018) 
Yeh L-F, Watanabe M, Sulkes-Cuevas J, Johansen JP: Dysregulation of aversive signaling pathways: a novel circuit endophenotype for pain and anxiety disorders, Current Opinion in Neurobiology, 48:37-44 (2017) 
Uematsu A, Tan BZ, Ycu EA, Sulkes-Cuevas J, Koivumaa J, Junyent F, Kremer EJ, Witten IB, Deisseroth K, Johansen JP: Modular organization of the brainstem noradrenaline system coordinates opposing learning states, Nature Neuroscience, Advance Online Publication (2017) 
- Featured in Nature Neuroscience News & Views 20(11), 1517-1519 (2017)
Ozawa T, Ycu EA, Kumar A, Yeh L-F, Ahmed T, Koivumaa J, Johansen JP: A feedback neural circuit for calibrating aversive memory strength, Nature Neuroscience, 20(1):90-97 (2017) 
Madarasz TJ, Diaz-Mataix L Akhand O, Ycu EA, LeDoux JE, Johansen JP: Evaluation of ambiguous associations in the amygdala by learning the structure of the environment, Nature Neuroscience, 19:965-972 (2016) 
Harasawa I, Johansen JP, Fields HL, Porreca F, Meng ID: Alterations in the rostral ventromedial medulla after the selective ablation of mu-opioid receptor expressing neurons, Pain, 157(1):166-73 (2016) 
Uematsu A, Tan BZ, Johansen JP: Projection specificity in heterogeneous locus coeruleus cell populations: implications for learning and memory, Learning & Memory, 22:444-451 (2015) 
Johansen JP, Diaz-Mataix L, Hamanaka H, Ozawa T, Ycu E, Koivumaa J, Kumar A, Hou M, Deisseroth K, Boyden ES, LeDoux JE: Hebbian and neuromodulatory mechanisms interact to trigger associative memory formation, Proceedings of the National Academy of Sciences, 111(51):E5584-92 (2014) 
Herry C, Johansen JP: Encoding of fear learning and memory in distributed neuronal circuits, Nature Neuroscience, 17(12):1644-54 (2014) 
Ozawa T, Johansen JP: Neural circuits: Interacting interneurons regulate fear learning, Current Biology, 24(15):690-3 (2014) 
Johansen JP: Neuroscience: Anxiety is the sum of its parts, Nature, 496(7444):174-5 (2013) 
Johansen JP, Wolff SB, Luthi A, Ledoux JE: Controlling the elements: an optogenetic approach to understanding the neural circuits of fear., Biology Psychiatry, 71(12):1053-60 (2012) 
Johansen JP, Cain CK, Ostroff LE, Ledoux JE: Molecular mechanisms of fear learning and memory, Cell, 147(3):509-24 (2011) 
McNally GP, Johansen JP, Blair HT: Placing prediction into the fear circuit, Trends in Neurosciences, 34(6):283-92 (2011) 
Johansen JP, Tarpley JW, LeDoux JE, Blair HT: Neural substrates for expectation-modulated fear learning in the amygdala and periaqueductal gray, Nature Neuroscience, 13(8):979-86 (2010) 
Johansen JP, Hamanaka H, Monfils MH, Behnia R, Deisseroth K, Blair HT, LeDoux JE: Optical activation of lateral amygdala pyramidal cells instructs associative fear learning, Proceedings of the National Academy of Sciences, 107(28):12692-7 (2010) 
- Featured in Nature Photonics 4, 581 (2010)
Schiller D, Johansen J: Prelimbic prefrontal neurons drive fear expression: a clue for extinction--reconsolidation interactions, Journal of Neuroscience, 29(43), 13432-4 (2009) 
Meng ID, Johansen JP, Harasawa I, Fields HL: Kappa opioids inhibit physiologically identified medullary pain modulating neurons and reduce morphine antinociception, Journal of Neurophysiology, 93(3):1138-44 (2005) 
Johansen JP, Fields HL: Glutamatergic activation of anterior cingulate cortex produces an aversive teaching signal, Nature Neuroscience, 7(4):398-403 (2004) 
Meng ID, Johansen JP: Antinociception and modulation of rostral ventromedial medulla neuronal activity by local microinfusion of a cannabinoid receptor agonist, Neuroscience, 124(3):685-93 (2004) 
Johansen JP, Fields HL, Manning BH: The affective component of pain in rodents: direct evidence for a contribution of the anterior cingulate cortex, Proceedings of the National Academy of Sciences, 98(14):8077-82 (2001) 
- Featured in Nature Reviews Neuroscience 2, 536 (2001)
Frerking M, Schmitz D, Zhou Q, Johansen J, Nicoll RA.: Kainate receptors depress excitatory synaptic transmission at CA3-->CA1 synapses in the hippocampus via a direct presynaptic action, Journal of Neuroscience, 21(9):2958-66 (2001)