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Items: 35


Mesolimbic dopamine projections mediate cue-motivated reward seeking but not reward retrieval in rats.

Halbout B, Marshall AT, Azimi A, Liljeholm M, Mahler SV, Wassum KM, Ostlund SB.

Elife. 2019 May 20;8. pii: e43551. doi: 10.7554/eLife.43551.


Distinct cortical-amygdala projections drive reward value encoding and retrieval.

Malvaez M, Shieh C, Murphy MD, Greenfield VY, Wassum KM.

Nat Neurosci. 2019 May;22(5):762-769. doi: 10.1038/s41593-019-0374-7. Epub 2019 Apr 8.


Nucleus Accumbens Cholinergic Interneurons Oppose Cue-Motivated Behavior.

Collins AL, Aitken TJ, Huang IW, Shieh C, Greenfield VY, Monbouquette HG, Ostlund SB, Wassum KM.

Biol Psychiatry. 2019 Sep 1;86(5):388-396. doi: 10.1016/j.biopsych.2019.02.014. Epub 2019 Feb 25.


Clarifying punishment.

Wassum KM.

Neuropsychopharmacology. 2018 Jul;43(8):1633-1634. doi: 10.1038/s41386-018-0062-4. Epub 2018 Apr 13. No abstract available.


Regulation of habit formation in the dorsal striatum.

Malvaez M, Wassum KM.

Curr Opin Behav Sci. 2018 Apr;20:67-74. doi: 10.1016/j.cobeha.2017.11.005. Epub 2017 Nov 21.


Habits Are Negatively Regulated by Histone Deacetylase 3 in the Dorsal Striatum.

Malvaez M, Greenfield VY, Matheos DP, Angelillis NA, Murphy MD, Kennedy PJ, Wood MA, Wassum KM.

Biol Psychiatry. 2018 Sep 1;84(5):383-392. doi: 10.1016/j.biopsych.2018.01.025. Epub 2018 Feb 8.


Basolateral Amygdala to Orbitofrontal Cortex Projections Enable Cue-Triggered Reward Expectations.

Lichtenberg NT, Pennington ZT, Holley SM, Greenfield VY, Cepeda C, Levine MS, Wassum KM.

J Neurosci. 2017 Aug 30;37(35):8374-8384. doi: 10.1523/JNEUROSCI.0486-17.2017. Epub 2017 Jul 25.


Amygdala mu-opioid receptors mediate the motivating influence of cue-triggered reward expectations.

Lichtenberg NT, Wassum KM.

Eur J Neurosci. 2017 Feb;45(3):381-387. doi: 10.1111/ejn.13477. Epub 2016 Nov 28.


Modulation of cue-triggered reward seeking by cholinergic signaling in the dorsomedial striatum.

Ostlund SB, Liu AT, Wassum KM, Maidment NT.

Eur J Neurosci. 2017 Feb;45(3):358-364. doi: 10.1111/ejn.13462. Epub 2016 Nov 21.


Nucleus Accumbens Acetylcholine Receptors Modulate Dopamine and Motivation.

Collins AL, Aitken TJ, Greenfield VY, Ostlund SB, Wassum KM.

Neuropsychopharmacology. 2016 Nov;41(12):2830-2838. doi: 10.1038/npp.2016.81. Epub 2016 May 31.


Corrigendum: Basolateral amygdala rapid glutamate release encodes an outcome-specific representation vital for reward-predictive cues to selectively invigorate reward-seeking actions.

Malvaez M, Greenfield VY, Wang AS, Yorita AM, Feng L, Linker KE, Monbouquette HG, Wassum KM.

Sci Rep. 2016 Feb 15;6:20891. doi: 10.1038/srep20891. No abstract available.


Dynamic mesolimbic dopamine signaling during action sequence learning and expectation violation.

Collins AL, Greenfield VY, Bye JK, Linker KE, Wang AS, Wassum KM.

Sci Rep. 2016 Feb 12;6:20231. doi: 10.1038/srep20231.


Nucleus accumbens core dopamine signaling tracks the need-based motivational value of food-paired cues.

Aitken TJ, Greenfield VY, Wassum KM.

J Neurochem. 2016 Mar;136(5):1026-36. doi: 10.1111/jnc.13494. Epub 2016 Jan 24.


The Origins and Organization of Vertebrate Pavlovian Conditioning.

Fanselow MS, Wassum KM.

Cold Spring Harb Perspect Biol. 2015 Nov 9;8(1):a021717. doi: 10.1101/cshperspect.a021717. Review.


The basolateral amygdala in reward learning and addiction.

Wassum KM, Izquierdo A.

Neurosci Biobehav Rev. 2015 Oct;57:271-83. doi: 10.1016/j.neubiorev.2015.08.017. Epub 2015 Sep 2. Review.


Basolateral amygdala rapid glutamate release encodes an outcome-specific representation vital for reward-predictive cues to selectively invigorate reward-seeking actions.

Malvaez M, Greenfield VY, Wang AS, Yorita AM, Feng L, Linker KE, Monbouquette HG, Wassum KM.

Sci Rep. 2015 Jul 27;5:12511. doi: 10.1038/srep12511. Erratum in: Sci Rep. 2016;6:20891.


Probing the neurochemical correlates of motivation and decision making.

Wassum KM, Phillips PE.

ACS Chem Neurosci. 2015 Jan 21;6(1):11-3. doi: 10.1021/cn500322y. Epub 2014 Dec 19. Review.


Inflated reward value in early opiate withdrawal.

Wassum KM, Greenfield VY, Linker KE, Maidment NT, Ostlund SB.

Addict Biol. 2016 Mar;21(2):221-33. doi: 10.1111/adb.12172. Epub 2014 Jul 31.


Phasic mesolimbic dopamine signaling encodes the facilitation of incentive motivation produced by repeated cocaine exposure.

Ostlund SB, LeBlanc KH, Kosheleff AR, Wassum KM, Maidment NT.

Neuropsychopharmacology. 2014 Sep;39(10):2441-9. doi: 10.1038/npp.2014.96. Epub 2014 May 7.


Phasic mesolimbic dopamine release tracks reward seeking during expression of Pavlovian-to-instrumental transfer.

Wassum KM, Ostlund SB, Loewinger GC, Maidment NT.

Biol Psychiatry. 2013 Apr 15;73(8):747-55. doi: 10.1016/j.biopsych.2012.12.005. Epub 2013 Jan 29.


Electrochemically deposited iridium oxide reference electrode integrated with an electroenzymatic glutamate sensor on a multi-electrode array microprobe.

Tolosa VM, Wassum KM, Maidment NT, Monbouquette HG.

Biosens Bioelectron. 2013 Apr 15;42:256-60. doi: 10.1016/j.bios.2012.10.061. Epub 2012 Nov 6.


Transient extracellular glutamate events in the basolateral amygdala track reward-seeking actions.

Wassum KM, Tolosa VM, Tseng TC, Balleine BW, Monbouquette HG, Maidment NT.

J Neurosci. 2012 Feb 22;32(8):2734-46. doi: 10.1523/JNEUROSCI.5780-11.2012.


Phasic mesolimbic dopamine signaling precedes and predicts performance of a self-initiated action sequence task.

Wassum KM, Ostlund SB, Maidment NT.

Biol Psychiatry. 2012 May 15;71(10):846-54. doi: 10.1016/j.biopsych.2011.12.019. Epub 2012 Feb 2.


Differential dependence of Pavlovian incentive motivation and instrumental incentive learning processes on dopamine signaling.

Wassum KM, Ostlund SB, Balleine BW, Maidment NT.

Learn Mem. 2011 Jun 21;18(7):475-83. doi: 10.1101/lm.2229311. Print 2011.


Micro-opioid receptor activation in the basolateral amygdala mediates the learning of increases but not decreases in the incentive value of a food reward.

Wassum KM, Cely IC, Balleine BW, Maidment NT.

J Neurosci. 2011 Feb 2;31(5):1591-9. doi: 10.1523/JNEUROSCI.3102-10.2011.


Extracellular dopamine levels in striatal subregions track shifts in motivation and response cost during instrumental conditioning.

Ostlund SB, Wassum KM, Murphy NP, Balleine BW, Maidment NT.

J Neurosci. 2011 Jan 5;31(1):200-7. doi: 10.1523/JNEUROSCI.4759-10.2011.


Disruption of endogenous opioid activity during instrumental learning enhances habit acquisition.

Wassum KM, Cely IC, Maidment NT, Balleine BW.

Neuroscience. 2009 Oct 20;163(3):770-80. doi: 10.1016/j.neuroscience.2009.06.071. Epub 2009 Jul 18.


Distinct opioid circuits determine the palatability and the desirability of rewarding events.

Wassum KM, Ostlund SB, Maidment NT, Balleine BW.

Proc Natl Acad Sci U S A. 2009 Jul 28;106(30):12512-7. doi: 10.1073/pnas.0905874106. Epub 2009 Jul 13.


International Narcotics Research Conference - 39th Annual Meeting.

Wassum KM, Evans CJ.

IDrugs. 2008 Sep;11(9):646-9. No abstract available.


Silicon Wafer-Based Platinum Microelectrode Array Biosensor for Near Real-Time Measurement of Glutamate in Vivo.

Wassum KM, Tolosa VM, Wang J, Walker E, Monbouquette HG, Maidment NT.

Sensors (Basel). 2008;8(8):5023-5036.


Dopamine release is heterogeneous within microenvironments of the rat nucleus accumbens.

Wightman RM, Heien ML, Wassum KM, Sombers LA, Aragona BJ, Khan AS, Ariansen JL, Cheer JF, Phillips PE, Carelli RM.

Eur J Neurosci. 2007 Oct;26(7):2046-54. Epub 2007 Sep 14.


Phasic dopamine release evoked by abused substances requires cannabinoid receptor activation.

Cheer JF, Wassum KM, Sombers LA, Heien ML, Ariansen JL, Aragona BJ, Phillips PE, Wightman RM.

J Neurosci. 2007 Jan 24;27(4):791-5.


Real-time measurement of dopamine fluctuations after cocaine in the brain of behaving rats.

Heien ML, Khan AS, Ariansen JL, Cheer JF, Phillips PE, Wassum KM, Wightman RM.

Proc Natl Acad Sci U S A. 2005 Jul 19;102(29):10023-8. Epub 2005 Jul 8.


Cannabinoids enhance subsecond dopamine release in the nucleus accumbens of awake rats.

Cheer JF, Wassum KM, Heien ML, Phillips PE, Wightman RM.

J Neurosci. 2004 May 5;24(18):4393-400.

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