Search Results - "Johansen, P."

Encoding of fear learning and memory in distributed neuronal circuits by Herry, Cyril, Johansen, Joshua P

“…The amygdala is known to play an important role in fear conditioning. In this Review, the authors discuss extended circuits beyond the amygdala mediating fear…”
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Neuromodulation in circuits of aversive emotional learning by Likhtik, Ekaterina, Johansen, Joshua P.

“…Emotional learning and memory are functionally and dysfunctionally regulated by the neuromodulatory state of the brain. While the role of excitatory and…”
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Molecular Mechanisms of Fear Learning and Memory by Johansen, Joshua P., Cain, Christopher K., Ostroff, Linnaea E., LeDoux, Joseph E.

“…Pavlovian fear conditioning is a particularly useful behavioral paradigm for exploring the molecular mechanisms of learning and memory because a well-defined…”
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Modular organization of the brainstem noradrenaline system coordinates opposing learning states by Uematsu, Akira, Tan, Bao Zhen, Ycu, Edgar A, Cuevas, Jessica Sulkes, Koivumaa, Jenny, Junyent, Felix, Kremer, Eric J, Witten, Ilana B, Deisseroth, Karl, Johansen, Joshua P

“…A small population of brainstem noradrenaline neurons powerfully modulates global brain function, but how they regulate diverse—and at times opposing—functions…”
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Biofilm-enhanced adsorption of strong and weak cations onto different microplastic sample types: Use of spectroscopy, microscopy and radiotracer methods by Johansen, Mathew P., Cresswell, Tom, Davis, Joel, Howard, Daryl L., Howell, Nicholas R., Prentice, Emily

“…The adsorption of metals and other elements onto environmental plastics has been previously quantified and is known to be enhanced by surface-weathering and…”
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A dopaminergic switch for fear to safety transitions by Luo, Ray, Uematsu, Akira, Weitemier, Adam, Aquili, Luca, Koivumaa, Jenny, McHugh, Thomas J., Johansen, Joshua P.

“…Overcoming aversive emotional memories requires neural systems that detect when fear responses are no longer appropriate so that they can be extinguished. The…”
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The claustrum coordinates cortical slow-wave activity by Narikiyo, Kimiya, Mizuguchi, Rumiko, Ajima, Ayako, Shiozaki, Momoko, Hamanaka, Hiroki, Johansen, Joshua P., Mori, Kensaku, Yoshihara, Yoshihiro

“…During sleep and awake rest, the neocortex generates large-scale slow-wave (SW) activity. Here, we report that the claustrum coordinates neocortical SW…”
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Projection specificity in heterogeneous locus coeruleus cell populations: implications for learning and memory by Uematsu, Akira, Tan, Bao Zhen, Johansen, Joshua P

“…Noradrenergic neurons in the locus coeruleus (LC) play a critical role in many functions including learning and memory. This relatively small population of…”
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Enhanced Reactivation of Remapping Place Cells during Aversive Learning by Ormond, Jake, Serka, Simon A, Johansen, Joshua P

“…Study of the hippocampal place cell system has greatly enhanced our understanding of memory encoding for distinct places, but how episodic memories for…”
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Radiological Dose Rates to Marine Fish from the Fukushima Daiichi Accident: The First Three Years Across the North Pacific by Johansen, Mathew P, Ruedig, Elizabeth, Tagami, Keiko, Uchida, Shigeo, Higley, Kathryn, Beresford, Nicholas A

“…A more complete record is emerging of radionuclide measurements in fish tissue, sediment, and seawater samples from near the Fukushima Daiichi Nuclear Power…”
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Hebbian and neuromodulatory mechanisms interact to trigger associative memory formation by Johansen, Joshua P, Diaz-Mataix, Lorenzo, Hamanaka, Hiroki, Ozawa, Takaaki, Ycu, Edgar, Koivumaa, Jenny, Kumar, Ashwani, Hou, Mian, Deisseroth, Karl, Boyden, Edward S, LeDoux, Joseph E

“…A long-standing hypothesis termed “Hebbian plasticity” suggests that memories are formed through strengthening of synaptic connections between neurons with…”
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Neural substrates for expectation-modulated fear learning in the amygdala and periaqueductal gray by Tarpley, Jason W, Blair, Hugh T, Johansen, Joshua P, LeDoux, Joseph E

“…Fear conditioning results from the association that develops between a neutral conditioned stimulus and an aversive unconditioned stimulus (UCS), which is…”
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Determinants of efficacy and safety in epicutaneous allergen immunotherapy: summary of three clinical trials by Senti, G., Moos, S., Tay, F., Graf, N., Johansen, P., Kündig, T. M.

“…The results of our third trial on epicutaneous allergen‐specific immunotherapy (EPIT) will be presented and discussed in the context of our previous trials…”
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Glutamatergic activation of anterior cingulate cortex produces an aversive teaching signal by Fields, Howard L, Johansen, Joshua P

“…Noxious stimuli have motivational power and can support associative learning, but the neural circuitry mediating such avoidance learning is poorly understood…”
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Optical activation of lateral amygdala pyramidal cells instructs associative fear learning by Johansen, Joshua P., Hamanaka, Hiroki, Monfils, Marie H., Behnia, Rudy, Deisseroth, Karl, Blair, Hugh T., LeDoux, Joseph E., McEwen, Bruce S.

“…Humans and animals can learn that specific sensory cues in the environment predict aversive events through a form of associative learning termed fear…”
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Bioaccumulation kinetics and internal distribution of the fission products radiocaesium and radiostrontium in an estuarine crab by Cresswell, Tom, Prentice, Emily, Howell, Nick, Callaghan, Paul, Metian, Marc, Johansen, Mathew P.

“…Crab has been designated by the ICRP as one of twelve reference/model organisms for understanding the impacts of radionuclide releases on the biosphere…”
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Whole-brain afferent input mapping to functionally distinct brainstem noradrenaline cell types by Sulkes Cuevas, Jessica Natali, Watanabe, Mayumi, Uematsu, Akira, Johansen, Joshua P.

“…The locus coeruleus (LC) is a small region in the pons and the main source of noradrenaline (NA) to the forebrain. While traditional models suggested that all…”
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Thalamocortical control of cell-type specificity drives circuits for processing whisker-related information in mouse barrel cortex by Young, Timothy R., Yamamoto, Mariko, Kikuchi, Satomi S., Yoshida, Aya C., Abe, Takaya, Inoue, Kenichi, Johansen, Joshua P., Benucci, Andrea, Yoshimura, Yumiko, Shimogori, Tomomi

“…Excitatory spiny stellate neurons are prominently featured in the cortical circuits of sensory modalities that provide high salience and high acuity…”
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Enhanced synchronization between prelimbic and infralimbic cortices during fear extinction learning by Watanabe, Mayumi, Uematsu, Akira, Johansen, Joshua P

“…The ability to extinguish aversive memories when they are no longer associated with danger is critical for balancing survival with competing adaptive demands…”
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Functional organization of the midbrain periaqueductal gray for regulating aversive memory formation by Yeh, Li-Feng, Ozawa, Takaaki, Johansen, Joshua P

“…Innately aversive experiences produce rapid defensive responses and powerful emotional memories. The midbrain periaqueductal gray (PAG) drives defensive…”
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